John Deere Air Compressor HR1-20E Manuel utilisateur
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Electric Air Compressor Manual 1
HR1-20E
AIR COMPRESSOR
CAUTION
RISK OF INJURY! READ ENTIRE MANUAL BEFORE OPERATING!
THIS MANUAL IS AN IMPORTANT PART OF THE AIR
COMPRESSOR AND MUST REMAIN WITH THIS UNIT!
2 Electric Air Compressor Manual
TABLE OF CONTENTS
INTRODUCTION ................................................................................................................3
IMPORTANT ..................................................................................................................3
INSPECTION ......................................................................................................................3
IMPORTANT SAFETY INSTRUCTIONS ............................................................................4-7
RISK OF ELECTRIC SHOCK OR ELECTROCUTION ......................................... 4
RISK OF EXPLOSION OR FIRE ...........................................................................5
RISK OF BURSTING .............................................................................................5
RISK TO BREATHING ...........................................................................................6
RISK OF BURNS ...................................................................................................6
RISK OF FLYING OBJECTS ................................................................................. 6
RISK FROM MOVING PARTS .............................................................................. 7
RISK FROM NEGLIGENCE ..................................................................................7
RISK OF AIR COMPRESSOR DAMAGE............................. ......... .... ...................7
FEATURES DRAWINGS ....................................................................................................8
FEATURES REVIEW ....................................................................................................9-10
PREPARATION INSTRUCTIONS ...............................................................................12-13
INITIAL SET-UP ..............................................................................................12-13
LOCATION ..........................................................................................................12
ELECTRICAL .......................................................................................................12
OPERATING INSTRUCTIONS ........................................................................................14
START-UP ...........................................................................................................14
SHUTDOWN .......................................................................................................14
MAINTENANCE INSTRUCTIONS ...................................................................................15
TROUBLESHOOTING ................................................................................................16-19
WARRANTY .....................................................................................................................20
Electric Air Compressor Manual 3
IMPORTANT!
A "DANGER, WARNING or CAUTION" safety warning will be surrounded by a "SAFETY ALERT BOX". This
box is used to designate and emphasize Safety Warnings that must be followed when operating this air
compressor. Accompanying the safety warnings are "Signal Words" which designate the degree or level of
hazard seriousness. The "Signal Words" used in this manual are as follows:
DANGER: Indicates an imminently hazardous situation which, if not avoided, WILL result in
death or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, COULD result in
death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided MAY result in minor
or moderate injury or damage to the air compressor.
The symbols set to the left of this paragraph are "Safety Alert Symbols". These symbols are used to
call attention to items or procedures that could be dangerous to you or other persons using this
equipment.
ALWAYS PROVIDE A COPY OF THIS MANUAL TO ANYONE USING THIS EQUIPMENT. READ ALL
INSTRUCTIONS IN THIS MANUAL AND ANY INSTRUCTIONS SUPPLIED BY MANUFACTURERS OF
SUPPORTING EQUIPMENT BEFORE OPERATING THIS AIR COMPRESSOR AND ESPECIALLY POINT
OUT THE "SAFETY WARNINGS" TO PREVENT THE POSSIBILITY OF PERSONAL INJURY TO THE
OPERATOR.
Once the unit has been removed from the box, immediately write in the serial number of your unit in the
space provided below.
SERIAL NUMBER_________________________________
Inspect for signs of obvious or concealed freight damage. If damage does exist, le a claim with the trans-
portation company immediately. Be sure that all damaged parts are replaced and the mechanical and
electrical problems are corrected prior to operation of the unit. If you require service, contact your Mi-T-M
®
Customer Service Representative.
Mi-T-M
®
Corporation, 8650 Enterprise Drive, Peosta, IA 52068
1-877-JD-KLEEN / (-877-535-5336) Fax 563-556-1235
Monday - Friday 8:00 a.m. - 5:00 p.m. CST
Please have the following information available for all service calls:
1. Model Number
2. Serial Number
3. Date and Place of Purchase
INTRODUCTION
Congratulations on the purchase of your new
Air Compressor! You can be assured your Air Compressor was
constructed with the highest level of precision and accuracy. Each component has been rigorously tested by
technicians to ensure the quality, endurance and performance of this air compressor.
This operator's manual was compiled for your benet. By reading and following the simple safety, installation and
operation, maintenance and troubleshooting steps described in this manual, you will receive years of trouble-free
operation from your new
Air Compressor. The contents of this manual are based on the latest product informa-
tion available at the time of publication. The manufacturer reserves the right to make changes in price, color,
materials equipment, specications or models at any time without notice.
4 Electric Air Compressor Manual
IMPORTANT SAFETY INSTRUCTIONS
WARNING: When using this product, basic precautions should always be observed, including the following:
READ ALL SAFETY INSTRUCTIONS BEFORE USING AIR COMPRESSOR
RISK OF
ELECTRIC SHOCK OR
ELECTROCUTION
POTENTIAL CONSEQUENCE PREVENTION
Make sure the air compressor is
plugged into a properly grounded
outlet which provides correct voltage
and adequate fuse protection.
Disconnect when not in use.
Check power cord for signs of
crushing, cutting or heat damage.
Replace faulty cord before use.
Keep all connections dry and off
the ground. Do not allow electrical
cords to lay in water or in such a
position where water could come
in contact with them. Do not touch
plug with wet hands.
Do not pull on the electrical cord to
disconnect from the outlet.
Never operate air compressor in wet
conditions or outdoors when it is
raining.
Never operate air compressor with
safety guards removed or damaged.
Any electrical wiring or repairs
performed on this air compressor
should be done by Authorized
Service Personnel in accordance
with National and Local electrical
codes.
Before opening any electrical
enclosure, always shut off the air
compressor, relieve pressure and
unplug the air compressor from the
power source. Allow air compressor
to cool down. Never assume the air
compressor is safe to work on just
because it is not operating. It could
restart at any time! Service in a
clean, dry, at area.
Serious injury or death could occur
if the air compressor is not properly
grounded. Your air compressor
is powered by electricity and may
cause electric shock or electrocution
if not used properly.
Electrical shock may occur from
electrical cord.
Electrical shock may occur if air
compressor is not operated properly.
Serious injury or death may occur if
electrical repairs are attempted by
unqualied persons.
HAZARD
Electric Air Compressor Manual 5
POTENTIAL CONSEQUENCE PREVENTION
Serious injury or death may occur
from normal electrical sparks in the
motor and pressure switch.
Serious injury may occur if any air
compressor ventilation openings
are restricted, causing the air
compressor to overheat and start a
re.
Always operate air compressor
in a well ventilated area free of
ammable vapors, combustible
dust, gases or other combustible
materials.
DO NOT SMOKE if spraying
ammable material. Locate the air
compressor at least 20 feet away
from the spray area. (An additional
hose may be required.)
Never place objects against or on
top of the air compressor. Operate
the air compressor at least 12
inches away from any wall or
obstruction that would restrict proper
ventilation.
RISK OF
EXPLOSION OR FIRE
IMPORTANT SAFETY INSTRUCTIONS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Drain the air tank daily or after each
use to prevent moisture buildup in
the air tank.
If the air tank develops a leak,
replace the air tank immediately.
Never repair, weld or make
modications to the air tank or its
attachments. Use only genuine
Mi-T-M
®
repair parts for your air
compressor.
Never make adjustments to the
factory set pressures.
Never exceed manufacturers
maximum allowable pressure rating
of attachments.
Because of extreme heat, do not
use plastic pipe or lead tin soldered
joints for a discharge line.
Never use air compressor to inate
small, low pressure objects such as
toys.
Serious injury or death may occur
from an air tank explosion if air
tanks are not properly maintained.
Exceeding the pressure rating of
air tools, spray guns, air operated
accessories, tires and other
inatables can cause them to
explode or y apart, and could
result in serious injury.
RISK OF BURSTING
HAZARD
6 Electric Air Compressor Manual
Serious injury could occur from
touching exposed metal parts.
These areas can remain hot for
some time after the air compressor
is shutdown.
Never allow any part of your body or
other materials to make contact with
any exposed metal parts on the air
compressor.
Always wear safety glasses to shield
the eyes from ying debris.
Never point the air stream at any part
of your body, anyone else or animals.
Never leave pressurized air in the air
compressor. Shut off air compressor
and relieve pressure when storing or
attempting maintenance.
Always maintain a safe distance from
people and animals while operating
the air compressor.
Do not attempt to move the air
compressor by pulling on the hose.
RISK OF BURNS
Serious injury or death could occur
from inhaling compressed air. The
air stream may contain carbon
monoxide, toxic vapors or solid
particles.
Sprayed materials such as paint,
paint solvents, paint remover,
insecticides, weed killers, etc.
contain harmful vapors and poisons.
POTENTIAL CONSEQUENCE PREVENTION
RISK TO BREATHING
IMPORTANT SAFETY INSTRUCTIONS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Never inhale air from the air
compressor either directly or from a
breathing device connected to the air
compressor.
Operate air compressor only in
a well ventilated area. Follow all
safety instructions provided with the
materials you are spraying. Use of
a respirator may be required when
working with some materials.
RISK OF FLYING OBJECTS Soft tissue damage can occur from
the compressed air stream.
Serious injury can occur from loose
debris being propelled at a high
speed from the compressed air
stream.
HAZARD
Electric Air Compressor Manual 7
Risk of bodily injury from moving
parts. This air compressor cycles
automatically when the pressure switch
is in the "On/Auto" position.
Before performing maintenance,
always turn off air compressor.
Bleed pressure from the air hose
and the tank, and unplug electrical
cord from outlet. All repairs to the
air compressor should be made
by an Authorized Service person.
Never assume the air compressor
is safe to work on just because it
is not operating. It could restart at
any time.
Do not operate without protective
covers/guards. Always unplug the
air compressor before removing
any guard. Replace damaged
covers/guards before using the air
compressor.
POTENTIAL CONSEQUENCE
PREVENTION
IMPORTANT SAFETY INSTRUCTIONS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
RISK FROM
MOVING PARTS
Risk of injury from negligent use.
Never allow children or
adolescents to operate this air
compressor!
Stay alert-watch what you are
doing. Do not operate the air
compressor when fatigued or
under the inuence of alcohol or
drugs.
Know how to stop the air
compressor. Be thoroughly
familiar with controls.
RISK FROM NEGLIGENCE
RISK OF AIR
COMPRESSOR DAMAGE
Risk of major repair.
Do not operate air compressor
without an air lter.
Do not operate air compressor in
a corrosive environment.
Always operate the air
compressor in a stable, secure
position to prevent air compressor
from falling.
Follow all maintenance
instructions listed in this manual.
!SAVE THESE INSTRUCTIONS!
HAZARD
8 Electric Air Compressor Manual
ELECTRIC AIR COMPRESSOR FEATURES
1 Protective Cover
2 Electric Power Cord
3 Tank Pressure Gauge
4 Saftey Relief Valve
5 Pressure Switch
6 Pickup Handle
7 Outlet Pressure Gauge
8 Air Tank Drain Valve
9 Decal - Warning: Hot
10 Air Intake Filter
11 Pressure Regulator
12 Oil Dipstick
13 Pump Oil Drain
14 Pump Discharge Line
15 Decal - Operating Instructions
AC1-VE02-20J FEATURES-012209-CJB
Electric Air Compressor Manual 9
AIR COMPRESSOR FEATURES
OUTLET PRESSURE GAUGE: The outlet pressure gauge indicates
the air pressure available at the outlet side of the regulator. This
pressure is controlled by the regulator and is always less or equal
to the air tank pressure.
MOTOR THERMAL OVERLOAD: The electric motor has a manual
thermal overload protector. If the motor overheats for any reason, the
thermal overload will cut off power to prevent the motor from being
damaged. Turn pressure switch lever to the "OFF" position and wait
until the motor is cool. Press the thermal overload button to reset it
and begin working again.
PRESSURE SWITCH: The switch is used to start or stop the air
compressor. Moving the switch to the "Auto" (ON) position will allow
the pressure switch to start the motor when the air tank pressure is
below the factory set "cut-in" pressure. When in the "Auto" position,
the pressure switch stops the motor when the air tank pressure
reaches the factory set "cut-out" pressure. This switch also has a
pressure release valve located on the side of the switch designed to
automatically release compressed air from the air compressor pump
head and its discharge line when the air compressor reaches "cut-out"
pressure or is shut off. This allows the motor to restart freely. Moving
the switch to the "OFF' position will open the pressure switch contacts
and stop the air compressor.
AIR INTAKE FILTER: This lter is designed to clean air coming into
the pump. To ensure the pump continually receives a clean, cool, dry
air supply this lter must always be clean and ventilation opening free
from obstructions. Replace lter element when necessary.
TANK PRESSURE GAUGE: The tank pressure gauge indicates the
air pressure in the air tank.
PRESSURE REGULATOR: The air pressure coming from the air
tank is controlled by the regulator knob. Turn the pressure regulation
knob clockwise to increase discharge pressure, and counterclockwise
to decrease discharge pressure.
10 Electric Air Compressor Manual
OIL DIPSTICK: The dipstick will indicate the amount of oil in the
pump. Oil level should be checked on a daily basis to ensure it
does not exceed the maximum notch or fall below the minimum
notch on the dipstick.
AIR TANK DRAIN VALVE: The drain valve is used to remove mois-
ture from the air tank after the air compressor is shut off. NEVER
attempt to open the drain valve when more than 10 PSI of air
pressure is in the air tank! To open the drain valve, turn the knob
counterclockwise. Keep the air compressor in such a position that
all water condensation will ow out.
AIR COMPRESSOR PUMP: To compress air, the piston moves up
and down in the cylinder. On the downstroke, air is drawn in through
the air intake valve while the exhaust valve remains closed. On the
upstroke, the intake valve closes, air is compressed and forced out
through the exhaust valve, into the discharge line, through the tank
check valve and into the air tank.
AIR COMPRESSOR FEATURES
TANK CHECK VALVE: This valve prevents the compressed air in
the tank from re-entering the pump discharge line.
EASY START VALVE: This valve relieves a portion of the com-
pressed air which allows the motor to start easier. The valve auto-
matically closes at a preset pressure which allows the full volume
of compressed air to go into the air tank.
It is recommended this air compressor not be operated at more than
a 50% duty cycle. This means an air compressor that pumps air
longer than 50% of one hour is considered misuse. Maximum air
compressor pumping time per hour is 30 minutes.
SAFETY RELIEF VALVE: This valve is designed to prevent system
failures by relieving pressure from the system when the compressed
air reaches a predetermined level. The valve is preset by the manu-
facturer and must not be modied in any way. To verify the valve
is working properly, pull on the ring. Air pressure should escape.
When the ring is released, it will reseat.
PUMP OIL DRAIN: The removal of the drain plug will allow the air
compressor lubricants to be changed. To remove drain plug, turn
counterclockwise.
Electric Air Compressor Manual 11
WARNING
THE FOLLOWING PAGES CONTAIN OPERATING AND
MAINTENANCE INSTRUCTIONS.
DO NOT ATTEMPT TO OPERATE THIS AIR COMPRESSOR UNTIL
YOU HAVE READ AND UNDERSTOOD ALL SAFETY
PRECAUTIONS AND INSTRUCTIONS LISTED IN THIS MANUAL.
INCORRECT OPERATION OF THIS UNIT CAN CAUSE SERIOUS
INJURY!!
DO NOT ALTER OR MODIFY THIS EQUIPMENT IN ANY MANNER!
12 Electric Air Compressor Manual
INITIAL SET-UP:
1. Remove the air compressor from the carton.
2. Read safety warnings before setting-up air compressor.
3. Remove the oil travel plug in the crankcase cover and insert the oil dipstick.
Ensure the oil level in the air compressor pump is adequate. If low, add SAE
non-detergent oil as recommended below:
Ambient Temperature SAE Viscosity
0-32°F SAE 10W
32-80°F SAE 20W
60-103°F SAE 30W
LOCATION:
1. In order to avoid damaging an oil lubed air compressor, do not incline the air
compressor transversely or longitudinally more than 10°.
2. Place air compressor at least 12 inches away from obstacles that may pre
vent proper ventilation. Do not place air compressor in an area:
-where there is evidence of oil or gas leaks.
-where ammable gas vapors or materials may be present.
-where air temperatures fall below 32°F or exceed 104°F.
-where extremely dirty air or water could be drawn into the air compressor.
ELECTRICAL:
1. USE OF AN EXTENSION CORD IS NOT RECOMMENDED because it
could cause the compressor motor to overheat. It's recommended to use
additional air hose instead of an extension cord.
2. If use of an extension cord is unavoidable, if should be plugged into a GFCI
found in circuit boxes or protected receptacles. When using an extension cord,
observe the following:
3. Use only a 3-wire extension cord that has a 3-blade grounding plug and a 3-
slot receptacle that will accept the plug on the compressor.
4. Examine power cord before using. Do not use the compressor if the cord is
damaged. Do not use a damaged extension cord.
5. Keep cords away from heat and sharp edges. Do not pull on a cord to
disconnect a plug -- grasp the plug.
6. Always shut off the compressor pressure switch before unplugging the
compressor.
PREPARATION INSTRUCTIONS
WARNING
RI S K OF E L EC T RIC A L
SHOCK!
This product must be grounded.
If there should be a malfunction or
breakdown, grounding provides
a path of least resistance for
electric current to reduce the
risk of electric shock. This
product is equipped with a cord
having an equipment grounding
conductor and a grounding type
plug. The plug must be inserted
into an appropriate outlet that is
properly installed and grounded
in accordance with all local codes
and ordinances.
WARNING
RISK OF EXPLOSION OR FIRE
CAUSING SERIOUS INJURY
OR DEATH!
Do not allow sparks from the
motor or pressure switch to come
in contact with ammable vapors,
combustible dust, gases or other
combustible materials.
When using the air compressor
for spray painting, place the air
compressor as far away from
the work area as possible, using
extra air hoses instead of exten-
sion cords.
DANGER
RISK OF ELECTROCUTION!
Improper connection of the
equipment-grounding conductor
can result in a risk of shock
or electrocution. Check with a
qualied electrician or service
personnel if you are in doubt as
to whether the outlet is properly
grounded. This product is factory
equipped with a specic electric
cord and plug based on the
units voltage and amperage
rating. This is for connection to
a proper electric circuit. Only
connect the product to an outlet
having the same conguration as
the plug. Do not use an adapter
with this product. If the product
must be reconnected for use on
a different type of electric circuit,
the reconnection shall be made
by qualied service personnel.
If repair or replacement of the
cord or plug is necessary, do
not connect the grounding wire
to either at blade terminal. The
wire with insulation having an
outer surface that is green with
or without yellow stripes is the
grounding wire.
Ampere
Rating
Range
Voltage Length of cord in ft
120V 25 ft 50 ft 100 ft 150 ft 200 ft 250 ft
240V 50 ft 100 ft 200 ft 300 ft 400 ft 500 ft
8 - 10 18 14 12 10 8 8
10 -12 16 14 10 8 8 6
12 - 14 16 12 10 8 6 6
14 - 16 16 12 10 8 6 6
16 - 18 14 12 8 8 6 4
18 - 20 14 12 8 6 6 4
Electric Air Compressor Manual 13
PREPARATION INSTRUCTIONS
NOTE: BEFORE OPERATING, THE FOLLOWING OPERATIONS NEED TO OCCUR.
1. Remove shipping plugs 2. Install oil/vent plug
3. Install air lter, tighten until snug 4. Install Rubber Feet
*Refer to John Deere Foot Assembly (sheet enclosed)
14 Electric Air Compressor Manual
PRE-START CHECKLIST:
1. Check oil level, add if necessary.
2. Remove any moisture in the air compressor air tank. NEVER attempt to
open the Air Tank Drain Valve when more than 10 PSI of air pressure is
in the air tank! Remove excessive pressure with an air tool, then open the
air tank drain valve in the bottom of the air tank. Close tightly when drained.
3. Make sure the pressure switch is in the "OFF" position.
4. Make sure the safety relief valve is working correctly.
5. Make sure all guards and covers are in place and securely mounted.
START-UP:
1. Read safety warnings before performing operation.
2. Ensure the pressure switch is in the "OFF" position.
3. Plug the power cord into a grounded outlet.
4. Move the switch on the pressure switch box to the "ON" position. This will
allow the air compressor to start building up pressure in the air tanks. You
will hear an air leak for the rst 20-50 seconds until the easy start valve closes.
This will stop when correct pressure is achieved. When pressure drops with
usage, the air compressor will start automatically.
5. Set pressure by adjusting the pressure regulator knob counterclockwise for
less pressure and clockwise for more pressure.
6. If you notice any unusual noise or vibration, stop the air compressor and refer
to "Troubleshooting".
SHUTDOWN:
1. To stop the air compressor, move the switch on the pressure switch box to
the "OFF" position. Never stop the air compressor by unplugging it from the
power source. This could result in risk of electrocution or damage to unit.
2. Drain air from the air tanks by releasing air with an attached air tool or by pulling
on the Safety Relief Valve.
3. Once the Air Tank Pressure Gauge registers under 10 pounds, open the Air Tank
Drain Valve under each air tank to drain any moisture.
4. Allow the air compressor to cool down.
5. Wipe the air compressor clean and store in a safe, non-freezing area with the
cord coiled up and protected from accidental damage.
EXAMPLES OF POSSIBLE CORD PLUGS AND CORRESPONDING RECEPTACLE
WARNING
RISK OF BODILY INJURY!
Never attempt to open the air tank
drain valve when more than 10
PSI is in the air tank!
OPERATING INSTRUCTIONS
6-15R 6-15R
L15-30R L15-30P
5-20P
5-20R
GROUNDED
OUTLET BOX
GROUNDED
OUTLET
6-50P6-50R
W
W
G
G
G
G
G
G
Z
Z
Y
Y
G
G
X
X
125V
20A
(5-20)
250V
15A
(6-15)
250V
50A
(5-20)
3 250V
30A
(15-30)
(B)
(A)
(D)
(C) (E)
GROUNDING
PIN
Electric Air Compressor Manual 15
MAINTENANCE INSTRUCTIONS:
Read the instruction manual before performing maintenance. The following procedures
must be performed when stopping the air compressor for maintenance or service.
1. Turn off air compressor
2. Disconnect power cord from the power source.
3. Open all drains.
4. Wait for the air compressor to cool before starting service.
OPERATING INSTRUCTIONS
WARNING
RISK OF BODILY INJURY!
Never assume the air com-
pressor is safe to work on just
because it is not operating. It
could restart at any time!
*The pump oil must be changed after the rst 50 hours of operation and every 200 hours or 3 months, whichever
comes rst. In harsh environments, maintenance must be performed on a more accelerated schedule.
Every 2 years, an Authorized Service Technician should check the check valve, intake valves and delivery valves.
MAINTENANCE CHART
AC Ele. Maintenance Chart
MAINTENANCE CHART
PROCEDURE DAILY WEEKLY MONTHLY 200 HOURS
Check pump oil level X
Oil leak inspection X
Drain condensation in air tank (s) X
Inspect guards/covers X
Check for unusual noise/vibration X
Check for air leaks X
Clean exterior of compressor X
Inspect air filter X
Check safety relief valve X
Change pump oil * X
Replace air filter X
16 Electric Air Compressor Manual
Air compressor will not start or
restart.
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Plug power cord into grounded
outlet.
Pull the pressure switch lever up to
"ON" position.
Turn unit off, wait 5 minutes, then
press motor thermal overload until
click is heard.
Reset circuit breaker or replace
fuse if necessary using only "Fuse-
tron
®
" type T fuses.
Check for low voltage conditions.
Disconnect any other electrical
appliances for circuit or operate
air compressor on it's own branch
circuit.
Use additional air hose instead of
extension cord, or use proper wire
gauge and cord length.
Add oil.
Motor will start automatically when
air tank pressure drops down to the
"Start" pressure setting of the pres-
sure switch.
Bleed the line by pushing the pres-
sure switch to the "Off" position.
Remove, clean or replace.
Replace.
Power cord not plugged in.
Pressure switch lever turned "OFF".
The motor thermal overload tripped on
air compressor.
Circuit breaker tripped or fuse blown at
power source.
Extension cord too long or improper
wire gauge.
Lack of oil in the air compressor.
Air tank pressure has achieved the
"Stop" pressure setting of the pressure
switch.
Pressure release valve on pressure
switch has not unloaded pump head
pressure.
Check valve stuck.
Defective motor, motor capacitor or
pressure switch.
Air compressor will not start, but
motor hums then stops.
Incorrect voltage or, incorrect sized
circuit breaker, fuse or motor. Defec-
tive motor.
Too many appliances being operated
on same circuit.
Extension cord too long or improper
wire gauge.
Loose electrical connection.
Oil weight too heavy.
Defective check valve or pressure
switch.
Contact qualied electrician.
Disconnect any other electrical
appliances from circuit or operate
air compressor on its own branch
circuit.
Use additional air hose instead of
extension cord, or use proper cord
length or wire gauge.
Contact qualied electrician.
Use lighter weight oil.
Replace.
Electric Air Compressor Manual 17
Move unit to a well ventilated area.
Repair or replace gaskets and
valves. Torque head bolts to 17ft./lbs.
Replace thermal overload.
Contact motor repair center if still
having problems.
The motor thermal overload contin-
ues to trip or fails to reset.
Improper ventilation causing the
pump or motor to overheat.
Defective head gasket or faulty
(reed) valve.
Faulty motor thermal overload.
Air compressor starts but does not
build up pressure.
Tighten connection.
Air bleed off line is loose.
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Air tank drain valve is open.
Air leaks at connections.
Completely close air tank drain
valve.
Allow the air compressor to build
pressure to the maximum allowed.
Turn off and brush a soapy wa-
ter solution onto all connections.
Check connections for air bubbles.
Tighten the connections where
leaks are present.
Air leak in air tank.
Air tank must be replaced.
Do not attempt to repair
air tank!
Defective check valve.
Remove, clean or replace.
Pressure loss in system.
Lack of oil in the pump.
Carbon deposits on pistons or
valves.
Bearing, piston or connecting rod
failure.
Add correct amount of oil. Check for
bearing damage.
Remove cylinder head and inspect.
Clean or replace valve plate.
STOP THE AIR COMPRESSOR!
Contact your Customer Service.
Noisy operation.
Pressure switch does not shut off
motor when air compressor reaches
"Stop" pressure and safety relief
valve activates.
Air compressor is not large enough
for air required.
Motor runs continuously.
Push the pressure switch lever to
the "OFF" position. If the motor
does not shut off, unplug the air
compressor. If the electrical con-
tacts are welded together, replace
the pressure switch.
Check the accessory air require-
ment. If it is higher than the CFM or
pressure supply of the air compres-
sor, you need a larger air compres-
sor.
18 Electric Air Compressor Manual
Defective inlet (reed) valve.
Replace.
Tighten connection.
Air blowing from air intake lter.
Pressure regulator not turned to
high enough pressure or defective.
Air leaks or restrictions.
Restricted air intake lter.
Hose or hose connections are too
small or long.
Air compressor is not large enough
for air requirement.
Restricted check valve.
Insufcient pressure at air tool or
accessory.
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Adjust pressure regulator to proper
setting or replace.
Check for leaks and repair.
Clean or replace air intake lter.
Replace with larger hose or
connectors.
Check the accessory air require-
ment. If it is higher than the
CFM or pressure supply of the air
compressor, you need a larger air
compressor.
Clean or replace.
Air leaks from safety relief valve.
Possible defective safety relief
valve.
Excessive air tank pressure.
Operate safety relief valve manual-
ly by pulling on ring. If it still leaks,
it should be replaced.
Defective pressure switch. Reset
or replace.
Air leaks at pump.
Defective gaskets.
Replace gaskets and torque head
bolts as stated in parts list.
Defective or incorrectly sized easy
start valve.
If air tank pressure gauge registers
over 40 PSI, easy start valve is
defective. Replace.
If air tank pressure gauge registers
under 40 PSI, your altitude may
require an easy start valve with a
lower PSI rating.
Air leaks from easy start valve.
Restricted air intake lter.
Defective (reed) valve.
Air compressor not making enough
air.
Clean or replace.
Drain air tank and measure pump
up time. Compare to specications.
If lower, remove pump head and in-
spect valve plate, clean or replace.
Air continues to leak at pressure
switch bleed off while motor is run-
ning.
Defective pressure switch.
Air bleed off line is loose.
Replace.
Air continues to leak at pressure
switch bleed off while motor is
stopped.
Defective check valve.
Remove, clean or replace.
Electric Air Compressor Manual 19
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Excessive oil consumption or oil in
hose.
Restricted air intake lter.
Air compressor on unlevel surface.
Crankcase overlled with oil.
Wrong viscosity.
Plugged oil dipstick vent.
Oil leaks.
Worn piston rings or scored
cylinder.
Remove air lter, clean or replace.
Do not incline the air compressor
more than 10° in any direction while
running.
Drain oil. Rell to proper level with
SAE-30W non-detergent oil.
Check oil recommendation for tem-
perature range on page 12.
Clean.
Tighten pump bolts to torque stated
in parts list, or replace gaskets.
Contact your Mi-T-M
®
Customer
Service.
Oil has milky appearance.
Water in oil due to
condensation.
Change oil and move air compres-
sor to a less humid environment.
Condensation in air tank caused by
high level of atmospheric humidity.
Drain air tank after every use.
Drain air tank more often in humid
weather and use an air line lter.
Moisture in discharge air.
20 Electric Air Compressor Manual
STATEMENT OF WARRANTY
The manufacturer warrants all parts, (except those referred to below), of your
new air compressor to be free from defects in materials and workmanship during
the following periods:
For One (1) years from the date of original purchase:
Compressor Pump Plumbing
Tank Assembly
For Six (6) months from date of original purchase:
Pressure Switch Regulator
Check Valve Copper Line
For Ninety (90) days from the date of original purchase:
Pressure Gauges Safety Relief Valves
Drain Valves
Defective parts not subject to normal wear and tear will be repaired or replaced
at our option during the warranty period. In any event, reimbursement is limited
to the purchase price paid.
EXCLUSIONS
1. Engine is covered under separate warranty by its respective manufacturer
and is subject to the terms set forth therein.
2. Normal wear parts:
Isolators Air Filter
3. This warranty does not cover parts damaged due to normal wear, abnormal
conditions, misapplication, misuse, accidents, operation at other than
recommended speeds, pressures or temperature, improper storage or freight
damage. Parts damaged or worn by operation in dusty environments are not
warranted. Failure to follow recommended operating and maintenance
procedures also voids warranty.
4. Labor charges, loss or damage resulting from improper operation, maintenance
(other than routine air tank draining and oil changes, if applicable) or repairs
made by persons other than a Mi-T-M Authorized Service Center.
5. The use of other than Genuine Repair Parts will void warranty. Parts returned,
prepaid to our factory or to an Authorized Service Center will be inspected and
replaced free of charge if found to be defective and subject to warranty. Under
no circumstances shall the manufacturer bear any responsibility for loss of use
of the unit, loss of time or rental, inconvenience, commercial loss or consequential
damages. There are no warranties which extend beyond the description of
the face hereof.
For Service or Warranty consideration, contact:
Mi-T-M Corporation, 8650 Enterprise Drive, Peosta, IA 52068-0050
1-877-JD-KLEEN / (-877-535-5336) Fax 563-556-1235
Monday-Friday 8:00 a.m. - 5:00 p.m. CST
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John Deere Air Compressor HR1-20E Manuel utilisateur
- Catégorie
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- Taper
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