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OPERATOR’S
MANUAL
T70, T115, and T165
Portable Space
Heaters
John Deere Merchandise Division
OMTY25047 Issue Nov-00
LITHO IN U.S.A.
ENGLISH/FRENCH
FBL 156262
107351-01C
Introduction
THANK YOU for purchasing a John Deere product.
READ THIS MANUAL carefully to learn how to
operate and service your machine correctly. Failure
to do so could result in personal injury or equipment
damage.
THIS MANUAL SHOULD BE CONSIDERED a
permanent part of your machine and should remain
with the machine when you sell it.
MEASUREMENTS in this manual are given in both
metric and customary U.S. unit equivalents. Use only
correct replacement parts and fasteners. Metric and
inch fasteners may require a specific metric or inch
wrench.
RIGHT-HAND AND LEFT-HAND sides are determined
by facing in the direction the machine or implement
will travel when going forward.
WRITE PRODUCT IDENTIFICATION NUMBERS
(P.I.N.) in
Serial Number Identification,
page 25.
Accurately record all the numbers to help in tracing
the machine should it be stolen. Your dealer also
needs these numbers when you order parts. File the
identification numbers in a secure place off the
machine.
WARRANTY is provided as part of John Deere’s
support program for customers who operate and
maintain their equipment as described in this manual.
The warranty is explained on the warranty certificate
which you should have received from you dealer.
This warranty provides you the assurance that John
Deere will back its products where defects appear
within the warranty period. In some circumstances,
John Deere also provides field improvements, often
without charge to the customer, even if the product is
out of warranty. Should the equipment be abused, or
modified to change its performance beyond the
original factory specifications, the warranty will be-
come void and field improvements may be denied.
Setting fuel delivery above specifications or otherwise
overpowering machines will result in such action.
107351-01C
Contents
Page
Safety.............................................................................1
Operation
Electrical Supply .............................................................7
Filling Fuel Tank..............................................................8
Extension Cords .............................................................9
Ventilation .......................................................................9
Starting Heater .............................................................10
Heater Operation .......................................................... 11
Stopping the Heater...................................................... 11
To Restart Heater ......................................................... 11
Troubleshooting..........................................................12
Periodic Service
Additional Service Information......................................13
Using Service Records .................................................13
Service Intervals
150 Hours...............................................................13
250 Hours...............................................................13
500 Hours...............................................................14
Yearly......................................................................14
Draining Fuel Tank........................................................14
Cleaning Flame Sensor ................................................15
Cleaning Air Intake Filter ..............................................15
Replacing Fuse.............................................................16
Cleaning Fan ................................................................16
Cleaning Fuel Nozzle ...................................................17
Fuel and Air Line Replacement and Proper Routing......18
Cleaning Fuel Filter ......................................................19
Storage Location and Maintenance..............................20
Assembly
Unpack Components ....................................................21
Installing Nose Cone Guard .........................................21
Attaching Wheels and Axle...........................................22
Attaching Heater and Handles......................................23
Specifications .............................................................24
Serial Number Identification......................................25
i
All information, illustrations and specifications in this manual are based on
the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
107351-01C
ii
Contents
107351-01C
Safety
RECOGNIZE SAFETY INFORMATION
This is the safety-alert symbol. When you see this
symbol on your machine or in this manual, be alert to
the potential for personal injury.
Follow recommended precautions and safe operating
practices.
UNDERSTAND SIGNAL WORDS
A signal word —DANGER, WARNING, or CAUTION—
is used with the safety-alert symbol. DANGER identifies
the most serious hazards.
DANGER or WARNING safety signs are located near
specific hazards. General precautions are listed on
CAUTION safety signs. CAUTION also calls atten-
tion to safety messages in this manual.
!
DANGER
WARNING
CAUTION
FOLLOW SAFETY INSTRUCTIONS
Carefully read all safety messages in this manual
and on your machine safety signs. Keep safety signs
in good condition. Replace missing or damaged
safety signs. Be sure new equipment components
and repair parts include the current safety signs.
Replacement safety signs are available from your
John Deere dealer.
Learn how to operate the machine and how to use
controls properly. Do not let anyone operate without
instruction.
Keep your machine in proper working condition.
Unauthorized modifications to the machine may impair
the function and/or safety and affect machine life.
If you do not understand any part of this manual and
need assistance, contact your John Deere dealer.
WARNING
CAUTION
1
107351-01C
Early signs of carbon monoxide poisoning resemble
the u, with headaches, dizziness, and/or nausea. If
you have these signs, the heater may not be working
properly. Get fresh air at once! Have heater serviced.
Some people are more affected by carbon monoxide
than others. These include pregnant women, persons
with heart or lung disease or anemia, those under the
inuence of alcohol, and those at high altitudes.
Make certain you read and understand all warnings.
Keep this manual for reference. It is your guide to
safe and proper operation of this heater.
WARNINGS
SAFETY INFORMATION
IMPORTANT: Read this owners manual carefully
and completely before trying to
assemble, operate, or service this
heater. Improper use of this heater can
cause serious injury or death from
burns, re, explosion, electrical shock,
and carbon monoxide poisoning.
DANGER
Carbon monoxide poisoning may lead to death!
Use only kerosene or No. 1 fuel oil.
Use only the electrical voltage and frequency
specied on model plate.
Heater must be grounded. Use only a properly
grounded three-wire extension cord. Plug into
grounded outlet only.
Use only in areas free of ammable vapors or
high dust content.
Minimum clearances from any combustible
materials: 8 feet (244 cm) from hot air outlet; 6 feet
(183 cm) from top; and 4 feet (122 cm) from sides
and inlet.
Locate heater on a stable and level surface while
hot or operating or a re may occur.
Use only in well-vented areas. Provide ventilation
of at least three-square-feet (2,800 cm) for each
100,000 Btu/Hr (29.3 kW) of rating.
Keep children and animals away from heater at
all times.
Never start heater when combustion chamber is
hot or if fuel has accumulated in combustion
chamber.
Heater is equipped with a thermostat, heater may
start anytime.
When heater is moved or stored, it must be in a
level position or fuel spillage may occur.
Use heater only in accordance with local ordi-
nances and codes.
Never use gasoline, crankcase drainings, naph-
tha, paint thinners, alcohol, or other highly flam-
mable fuels.
Never use heater where gasoline, paint thinner,
or other highly flammable vapors are present.
Never use heater in living or sleeping areas.
Never leave a heater plugged in without adult
supervision if children or animals are likely to be
present.
Never move, handle, refuel, or service a hot,
operating, or plugged-in heater.
Never block air inlet (rear) or air outlet (front) of
heater.
Never attach duct work to front or rear of heater.
Never attach heater to external fuel tank.
2
WARNING: This product contains and/or
generates chemicals known to the State of
California to cause cancer or birth defects,
or other reproductive harm.
107351-01C
HANDLE FLUIDS SAFELY - AVOID FIRES
When you work around fuel, do not smoke or work
near heaters or other fire hazards.
Store flammable fluids away from fire hazards. Do
not incinerate or puncture pressurized containers.
Make sure machine is clean of trash, grease, and
debris.
Do not store oily rags; they can ignite and burn
spontaneously.
HANDLE FUEL SAFELY
The heater is designed to operate on kerosene or
No. 1 fuel oil only. DO NOT use diesel fuel, No. 2 fuel
oil, gasoline, crank case drainings, naphtha, paint
thinner, alcohol, or other highly volatile fuels.
Toxic fumes could be created by using
non-recommended fuels.
Do not add fuel to heater while it is hot, operating, or
plugged in. Use only recommended fuel.
Do not smoke while refueling heater.
Avoid spilling fuel. Do not overfill fuel tank.
Wipe up any spilled fuel after refueling.
Move away from fueling area before operating heater.
Store in a level position when filled or fuel leakage
may occur.
Do not use heater in the presence of flammable
vapors such as paint, fuel, certain cleaning solvents,
or high dust content.
IMPORTANT:
Use a KEROSENE ONLY storage
container. Be sure storage container is clean. For-
eign matter such as rust, dirt, or water will cause the
ignition control assembly to shut down the heater.
Foreign matter may also require you to clean fuel
system often.
3
107351-01C
PREPARE FOR EMERGENCIES
Be prepared if a fire starts.
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctors, ambulance
service, hospital, and fire department near your
telephone.
RESPECT ELECTRICITY
Make certain heater is properly grounded. Extension
cord must be a 3-wire grounded cord and is of proper
wire size for the length. Extension cord must be at
least six feet (1.8 meters) long.
Make certain the connection between the power cord
and the extension cord is not exposed to water.
Disconnect electrical plug before servicing or relocat-
ing heater.
Use heater only with 120-volt, AC, 60-hertz power
source.
Use only on a fused circuit of proper voltage and
frequency that is capable of handling the load.
4
107351-01C
Risk of fire or burns. Heater may ig-
nite any time power cord is plugged
in. Unplug power cord if heater is un-
attended.
Risque de feu ou de brûlures. Le
radiateur peut sallumer nimporte
quand lorsque le cordon est branché.
Débrancher le cordon électrique
lorsque le radiateur nest pas surveillé.
WARNING
ATTENTION
5
Improper use of this heater can
cause serious injury or death from
burns, fire, explosion, electrical
shock, and carbon monoxide
poisoning.
Use only kerosene or No. 1 fuel
oil to avoid risk of fire or explosion.
Never use gasoline, crankcase
drainings, naphtha, paint thinners,
alcohol, or other flammable fuels.
Never use heater where gasoline,
paint thinner, or other flammable
vapors are present.
Never use heater in areas with
high dust content.
Do not start heater when chamber
is hot or if fuel has accumulated in
chamber.
Minimum heater clearances from
combustible materials: Outlet: 8 Ft.:
Sides: 4 Ft.: Top: 4 Ft.: Rear: 4 Ft.
Heaters used in the vicinity of
tarpaulins, canvas or similar
enclosure materials shall be located
a safe distance from such materials.
The recommended minimum safe
distance is 10 feet. It is further
recommended that these enclosure
materials be of a fire retardant
nature. These enclosure materials
shall be securely fastened to
prevent them from igniting or from
upsetting heater due to wind action.
Use only a three-prong, grounded
extension cord. Use only with the
electrical voltage and frequency
specified on model plate.
Use only in well-ventilated areas.
Provide at least a 3-square-foot
opening of fresh, outside air for
each 100,000 BTU/Hr of rating
when running heater.
Unplug heater when not in use.
Never block air inlet (rear) or air outlet
(front) of heater. Never attach duct
work to front or rear of heater. Do not
attach heater to external fuel tank.
Locate heater on a stable and
level surface while hot or running
or a fire may occur.
When moving or storing heater,
keep heater in a level position or
fuel spillage may occur.
Never move, handle, refuel, or
service a hot, operating, or plugged-
in heater.
Keep children and animals away
from heater.
Never use heater in living or
sleeping areas.
Follow all local ordinances and
codes when using heater.
CAUTION
!
WARNING: This heater is
equipped with a thermostat.
Heater may start at any time.
Utiliser uniquement du kérosène ou
du mazout n° 1 pour éviter les risques
dincendie ou dexplosion. Ne jamais
utiliser dessence, dhuile de vidange,
dhuile de naphte, du solvant pour
peinture, de lalcool ou dautres
combustibles inflammables.
Ne jamais utiliser lappareil de
chauffage dans un endroit où de
lessence, du solvant pour peinture
ou dautres vapeurs inflammables
sont présents.
Ne jamais utiliser lappareil de
chauffage dans un endroit très
poussiéreux.
Ne pas mettre la chaufferette en
marche lorsque la chambre de
combustion est chaude ou que le
combustible sest accumulé dans la
chambre de combustion.
Distances minimales de lappareil
aux matériaux combustibles:
Sortie: 2,44 m (8 pi), Côtés: 1,22 m
(4 pi), Dessus: 1,22 m (4 pi), Arrière:
1,22 m (4 pi)
Les appareils utilisés à proximité
de bâches, toiles ou matériaux
denveloppement similaires doivent
être placés à une distance
sécuritaire de ces matériaux. La
distance sécuritaire minimale
recommandée est de 3,05 m (10 pi).
En outre, il est conseillé que ces
matériaux denveloppement soient
ignifuges. Ils doivent en plus être
bien fixé afin de les empêcher de
prendre feu ou de renverser
lappareil de chauffage à cause des
courants dair.
Utiliser uniquement un cordon
prolongateur à trois broches avec
mise à la terre. Utiliser
exclusivement la tension et la
fréquence électriques spécifiées
sur la plaque signalétique.
Utiliser lappareil seulement dans
des endroits bien ventilés. Prévoir
une ouverture dau moins 0,28 m2
(3 pi2) pour lair frais extérieur pour
chaque 29,3 kW (100 000 BTU/h)
de capacité.
Débrancher lappareil quand il
nest pas en usage.
Ne jamais bloquer lentrée
(arrière) ou la sortie (avant) dair de
lappareil de chauffage. Ne jamais
fixer de conduits à lavant ou à
larrière de lappareil. Ne pas relier
la chaufferette au réservoir de
combustible extérieur.
Placer lappareil de chauffage sur
une surface stable et plane quand
il est chaud ou quil fonctionne pour
éviter les incendies.
Lors du déplacement ou du
remisage de lappareil de chauffage,
le maintenir daplomb pour éviter les
déversements de carburant.
Ne jamais déplacer ni manipuler
un appareil de chauffage chaud, en
fonctionnement ou branché, et ne
jamais en faire le plein ou lentretien.
Tenir les enfants et les animaux à
l’écart de lappareil.
Ne jamais utiliser lappareil de
chauffage dans des locaux
dhabitation ou des dortoirs.
Respectez tous les règlements
locaux et les normes régissant
lemploi de cet appareil.
ATTENTION
!
ADVERTISSEMENT: (Cet
appareil de chauffage est équipé
dun thermostat. Il risque de
démarrer à tout moment.)
098131-02
FBL156262
WARNING
ATTENTION
Hot surfaces. Do not touch or move while
burner is ignited or hot. Allow to cool and
unplug heater before fueling.
Surfaces chaudes. ne pas toucher ou
déplacer alors que le brûleur est allumé
ou chaud. Laissez refroidir et débranchez
le radiateur avant dalimenter en combus-
098129-02
107351-01C
098134-02
WARNING ATTENTION
Risk of explosion. Unplug power
cord before fueling. Use only
kerosene or #1 fuel oil.
Do not store, transport or ship
heater with fuel in the tank.
Utiliser uniquement du kérosène
ou du carburant No. 1.
Ne pas entreposer, transporter
ou expédier le réchaud lorsquil
y a du carburant dans le réservoir.
Model T115 and T165
Model T70
6
107351-01C
Operation
ELECTRICAL SUPPLY
CAUTION: If an additional electrical outlet is
needed to operate your heater, it should be
installed by a qualified electrician and the
installation should conform to the appli-
cable codes and governing requirements.
The heater requires a grounded 120-volt, 60-hertz
receptacle for a power source. If necessary, use an
appropriate grounding adapter to connect to a two-
prong receptacle. Check heater amperage require-
ments in
Specifications,
page 24 .
IMPORTANT: DO NOT overload circuit.
7
107351-01C
CAUTION: DO NOT add fuel while the heater is
hot or operating. DO NOT use diesel, No. 2 fuel
oil, gasoline, crank case drainings, naphtha,
paint thinner, alcohol, or other highly volatile
fuels. Toxic fumes could be created by using
non-recommended fuels.
FILLING FUEL TANK
Remove cap (A) from fuel tank and fill with kerosene
or No. 1 fuel oil.
Do not use heavy fuels such as No. 2 fuel oil or No. 2
Diesel. Using heavy fuels will result in:
clogged fuel filter and nozzle due to fuel gelling
carbon build up on spark plug
Do not use No. 3 fuel oil or heavy oils such as crank
case drainings. These heavy oils will not ignite
properly and will contaminate the heater.
Fueling
Personnel involved with fueling shall be qualified
and thoroughly familiar with the manufacturers
instructions and applicable federal, state, and local
regulations regarding the safe fueling of heating units.
Only the type of fuel specified on the heaters
data plate shall be used.
All flame, including the pilot light, if any, shall be
extinguished and the heater allowed to cool, prior to
fueling.
During fueling, all fuel lines and fuel-line connec-
tions shall be inspected for leaks. Any leaks shall
be repaired prior to returning the heater to service.
At no time shall more than one days supply of
heater fuel be stored inside a building in the vicinity
of the heater. Bulk fuel storage shall be outside the
structure.
All fuel storage shall be located a minimum of 25
feet (7.62 m) from heaters, torches, welding equip-
ment, and similar sources of ignition (exception: the
fuel reservoir integral with the heater unit).
Whenever possible, fuel storage shall be con-
fined to areas where floor penetrations do not
permit fuel to drip onto or be ignited by a fire at
lower elevation.
Fuel storage shall be in accordance with the
federal, state, or local authority having jurisdiction.
Operation
8
A
107351-01C
Operation
EXTENSION CORDS
Plug heaters power cord into approved, grounded,
three-wire extension cord. Extension cord must be
at least six feet (1.8 meters) long.
Extension Cord Size Requirement
6 to 10 feet (1.8 to 3 meters) long, use 18 AWG
(0.75 mm
2
) rated cord
11 to 100 feet (3.3 to 30.5 meters) long, use 16 AWG
(1.0 mm
2
) rated cord
101 to 200 feet (30.8 to 61 meters) long, use 14 AWG
(1.5 mm
2
) rated cord
VENTILATION
WARNING: Provide a fresh, outside air
opening of at least three square feet (2,800
square cm) for each 100,000 Btu/Hr (29.3
kW) rating. Provide extra fresh air if more
heaters are being used. The minimum
ventilation requirements must be followed
to avoid risks associated with carbon
monoxide poisoning. Make certain these
requirements are met prior to operating
heater.
Example:
A 165,000 Btu/Hr (48.35 kW) heater
requires one of the following:
a two-car garage door (16 feet [4.88 m] wide
opening) raised four inches (10.16 cm)
a single-car garage door (9 feet [2.74 m] wide
opening) raised seven inches (17.78 cm)
two, thirty inch (76.20 cm) windows raised twelve
inches (30.48 cm)
9
107351-01C
Operation
STARTING HEATER
CAUTION: Observe the following:
Provide a minimum of 3 square feet
(0.28 m
2
) of ventilating area per 100,000
BTU (29.3 kW). If more than one heater is
used, include equivalent ventilating area.
Provide adequate clearance from people,
animals, and combustible materials - 8 feet
(2.4 m) from heater outlet; 6 feet (1.8 m)
from top; 4 feet (1.2 m) from sides.
Be sure there is no obstruction in intake
or output openings.
Be sure heater is on a level, stable surface.
Depending on thermostat setting, heater
can start immediately when power cord is
connected.
Be sure electrical circuit is adequate and
properly grounded.
Locate heater to provide maximum
circulation of the heated air.
1. Turn thermostat knob clockwise to the high
position.
2. Plug extension cord into standard 120 volt/60
hertz, 3-prong grounded outlet.
Note:
Ignitor will
preheat for five seconds, then heater will start.
3. Adjust thermostat knob to the desired setting.
Note:
A cold heater may affect the thermostat setting.
This thermostat is a general-heating control. It is not
intended for precise temperature control. Adjust
thermostat until heater cycles at the desired setting.
Note: If heater fails to start, refer to Troubleshooting,
page 12.
10
107351-01C
HEATER OPERATION
The space heater will cycle on and off to maintain the
temperature set at the thermostat. To determine a
specific temperature, place a thermometer to the
sides or rear of the heater 4 - 6 feet (1.2 - 1.8 m)
above the floor.
STOPPING THE HEATER
1. Set thermostat to lowest setting. Heater will
stop, but will start again when ambient temperature
drops to that setting.
2. To completely stop the heater, disconnect the
plug from the receptacle.
TO RESTART HEATER
1. Unplug extension cord from outlet and wait 10
seconds. (Wait two minutes if heater has been
running.)
2. Repeat steps under
Starting Heater,
page 10.
Operation
11
107351-01C
Troubleshooting
DIAGNOSE MALFUNCTIONS
Symptom
Motor does not start five
seconds after heater is
plugged in
Motor starts and runs but
heater does not ignite
Heater ignites but ignition
control assembly shuts heater
off after a short period of time
Problem
No power to heater
Thermostat setting is too low
Bad electrical connection between motor
and ignition control assembly or ignition
control assembly and power cord
Binding pump rotor
Defective ignition control assembly
Defective motor
No fuel in tank
Pump pressure incorrect
Dirty fuel lter
Obstruction in nozzle assembly
Water in fuel tank
Bad electrical connection between
ignitor and ignition control assembly
Defective ignitor
Defective ignition control assembly
Pump pressure incorrect
Dirty air intake, air output, and/or lint
filter
Dirty fuel lter
Obstruction in nozzle assembly
Photocell assembly not properly
installed (not seeing the flame)
Dirty flame sensor
Bad electrical connection between
photocell and ignition control assembly
Defective flame sensor
Defective ignition control assembly
Solution
Check circuit breaker in electrical panel
Turn thermostat knob to a higher setting
Check all electrical connections
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
Fill tank with kerosene
See your John Deere dealer
See
Cleaning Fuel Filter,
page 19
See
Cleaning Fuel Nozzle,
page 17
Drain and ush fuel tank with clean
kerosene. See
Storage Location and
Maintenance,
page 20
Check electrical connections
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
See your John Deere dealer
See
Cleaning Fuel Filter,
page 19
See
Cleaning Fuel Nozzle,
page 17
Make sure photocell boot is properly
seated in bracket
See
Cleaning Flame Sensor,
page 15
Check electrical connections
See your John Deere dealer
See your John Deere dealer
WARNING: Never service heater while it is plugged in, operating,
or hot. Severe burns and electrical shock can occur.
WARNING: High voltage!
WARNING: High voltage!
WARNING: High voltage!
12
107351-01C
Periodic Service
ADDITIONAL SERVICE INFORMATION
This manual is not a detailed service manual. It has
only information you need for normal operation and
maintenance.
If a technical manual is desired, see your John Deere
dealer for the correct manual.
USING SERVICE RECORDS
1. Keep a record of the number of hours or operation.
2. Check your record regularly to learn when
service is required.
3. Do all the services in the interval section. Then
write the number of hours (from your service record)
and the date in the spaces provided.
Sample Service Record Chart
Date Hours
1 Jun '85 3
6 Jun '85 2 - (5)
7 Jun '85 1 - (6)
11 Jun '85 4 - (10)
17 Jun '85 3 - (13)
150 HOURS
Drain Fuel Tank.
250 HOURS
Clean flame sensor.
Clean air intake filter.
Clean fan.
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
J
O
H
N
D
E
E
R
E
13
107351-01C
500 HOURS
Clean flame sensor.
Clean air intake filter.
Clean fan.
Clean fuel filter.
Replace air output and lint filters. See your John Deere
dealer for service.
YEARLY
Clean fuel nozzle.
Drain fuel tank.
Clean fuel filter.
Clean flame sensor.
Clean air intake filter.
Clean fan.
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Hours
Date
Periodic Service
CAUTION: Before performing service, discon-
nect power cord from electrical outlet. Failure
to unplug heater could cause serious injury.
Allow heater time to cool. Severe burns and
electrical shock can occur.
DRAINING FUEL TANK
1. Remove drain plug (A).
2. Drain and flush tank with clean fuel.
3. Replace drain plug.
14
A
107351-01C
Periodic Service
CLEANING FLAME SENSOR
1. Remove upper shell (A) from heater by remov-
ing self-tapping screws.
Note:
Nose Cone Guard must be removed first on
model T70.
IMPORTANT: DO NOT bend flame sensor mounting
bracket.
2. Remove sensor (A) from bracket (B) and clean
face of photocell with a soft cloth.
3. Insert sensor into bracket.
4. Install upper shell.
CLEANING AIR INTAKE FILTER
1. Remove upper shell and plastic fan guard.
2. Remove filter (A) from filter cover (B).
3. Clean filter in mild detergent and warm water.
Dry thoroughly before reinstallation. Replace if
needed.
IMPORTANT: DO NOT oil filter or pump.
There are two other filters inside the pump assembly;
an air output filter and a lint filter. See your John Deere
dealer for service.
15
A
B
A
A
B
107351-01C
Periodic Service
WARNING: High Voltage!
REPLACING FUSE
1. Unplug heater.
2. Remove side cover screws to expose ignition
control assembly.
3. Remove fuse cover (A).
4. Remove fuse from fuse clips (B).
5. Replace fuse (C) with fuse of the same type
and rating (GMA-10). Do not substitute a fuse with a
higher current rating.
6. Replace fuse cover.
7. Replace side cover.
CLEANING FAN
CAUTION: Fan blades are sharp. Carefully
work around blades or wear gloves when
cleaning.
Flush
IMPORTANT: Remove fan from motor shaft before
removing motor from heater. The weight of the motor
resting on the fan could damage the fan pitch.
1. Remove upper shell and fan guard.
2. Loosen setscrew (A) which holds fan (B) to
motor shaft (C).
3. Slip fan off motor shaft.
4. Clean fan using a soft cloth moistened with
kerosene or solvent.
5. Dry fan thoroughly.
6. Replace fan on motor shaft. Place fan hub ush
with end of motor shaft.
7. Place setscrew on at of shaft. Tighten set-
screw rmly (40 to 50 in-lbs/4.5 to 5.6 N-m).
8. Replace fan guard and upper shell.
16
B
C
A
B
C
A
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Desa Electric Heater T70 Manuel utilisateur

Taper
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