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MAINTENANCE (cont.)
NOTE: USE ONLY ORIGINAL EQUIPMENT REPLACEMENT
PARTS. Use of alternate or third party components will void
warranty and may cause an unsafe operating condition.
Pressure Gauge
Relief Valve
Flat blade
Screwdriver
Fuel Filter
Fuel Line
Switch Wires
Power Switch
Side Cover
Screw
-
- Remove side cover screws using medium Phillips
screwdriver.
- Disconnect switch wires from power switch and remove
side cover.
- Pull fuel line off fuel filter neck.
- Turn fuel filter clockwise 90 degrees and pull to remove.
- Wash fuel filter with clean fuel and replace in tank.
- Attach fuel line to fuel filter neck.
- Reinstall side cover.
Start heater (See “Operation”, page 10).
- Allow motor to reach full speed.
- Adjust pressure (using flat blade screwdriver).
- Turn relief valve clockwise to increase pressure.
- Turn relief valve counterclockwise to decrease pressure.
- Set pump pressure to correct pressure for each model.
- Stop heater (see “Operation”, page 10).
Pressure Gauge
Flat blade
Screwdriver
Model
Pump Pressure
CP125DK
5.5 PSI
CP075CK
3.8 PSI
CP045CK
2.8 PSI
CP175DK
7.5 PSI
CP210DK
8.5 PSI
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16
CLEAN OR REPLACE TWICE PER HEATING SEASON OR AS
NEEDED.
NOTE: USE ONLY ORIGINAL EQUIPMENT REPLACEMENT
PARTS. Use of alternate or third party components will void
warranty and may cause an unsafe operating condition.
FUEL FILTER
PUMP PRESSURE ADJUSTMENT
Figure 18 – Fuel Filter Replacement
Figure 19 – Adjusting Pump Pressure