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1. Remove right side panel. (If not using an accessory fuel pressure
gauge, please skip to #4)
2. Remove air vent screw.
3. Insert accessory fuel pressure gauge at outlet of air vent screw.
4. Adjust pump pressure by turning pressure adjusting screw.
5. Turn pressure adjusting screw clockwise to increase pressure.
6. Turn pressure adjusting screw counterclockwise to decrease pressure.
7. Set pump pressure to 25 PSI (+/- 6PSI).
We recommend pump pressure adjusting is not needed if red markings
on pump body and pressure adjusting screw are aligned with each other.
PUMP PRESSURE ADJUSTMENT
6
Kerosene Portable Heater Manual
MAINTENANCE
PhoToCell
CLEAN PHOTOCELL ANNUALLY OR AS NEEDED.
Remove upper shell.
Remove fan (See fan blades).
Remove photocell from its mounting bracket
Clean photocell lens with cotton swab.
TO REPLACE: Remove side cover near Operation switch.
Disconnect wires from Operation switch and remove photocell.
Disconnect wires from circuit board and remove side cover.
Install new photocell and attach wires to circuit board.
Replace switch wires to operation switch and side cover.
Replace fan and upper shell.
fUel fIlTeR
CLEAN TWICE PER HEATING SEASON OR AS NEEDED.
FUEL FILTER A ON FUEL CAP
Remove fuel cap.
Take out fuel filter with clean kerosene.
Wash fuel filter with clean kerosene.
Replace fuel filter on fuel tank.
Replace fuel cap on fuel tank.
FUEL FILTER B ON FUEL LINE
Remove fuel line A from fuel pump by using wrench.
Take out fuel line from fuel tank by pulling out fuel filter
gasket.
Remove fuel filter assembly from fuel line
Wash fuel filter in clean kerosene.
Reassemble fuel filter in reverse order.
PUMP PRessURe aDjUsTMenT
. Remove right side panel. (If not using an accessory fuel pressure
gauge, please skip to #4)
2. Remove air vent screw.
3. Insert accessory fuel pressure gauge at outlet of air vent
screw.
4. Adjust pump pressure by turning pressure adjusting screw.
5. Turn pressure adjusting screw clockwise to increase
pressure.
6. Turn pressure adjusting screw counterclockwise to decrease
pressure.
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Fuel Line A
Fuel Line A
Gasket
Fuel Filter B
Fuel Cap
Fuel Cap
Gasket
Fuel Filter A
Air Vent Screw
Pressure Adjusting Screw
NOTICE
• Use only original equipment replacement parts. Use of alternate or
third party components will void any warranty and may cause unsafe
operating conditions.
8. Stop heater (See OPERATION in this manual).
9. If accessory pressure gauge is being used, remove pressure gauge.
10. Replace pressure gauge, and plug in end of filter cover.
NOTICE
• If heater does not ignite when heater is turned on, please turn
AIR VENT SCREW counter clockwise to release air, then turn
OpERATION SWITCh back on.
• An accessory service fuel pressure gauge is available for accurate fuel
pressure testing.
maintenance
Summary of Contents for HK400FW
Page 1: ...operation manual HK400FW KEROSENE PORTABLE HEATER ...
Page 2: ...2 ...
