16
FUEL FILTER
PUMP PRESSURE ADJUSTMENT
CLEAN OR REPLACE TWICE PER HEATING SEASON OR AS
NEEDED.
- Remove side cover screws using medium Phillips
screwdriver.
- Disconnect switch wires from power switch and remove
side cover.
-
-
-
-
- Reinstall side cover.
- Start heater (See “Operation”, page 9).
- Allow motor to reach full speed.
-
- 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 9).
NOTE: USE ONLY ORIGINAL EQUIPMENT
REPLACEMENT PARTS. Use of alternate or third party
components will void warranty and may cause an
unsafe operating condition.
Figure 21 – Fuel Filter Replacement
Figure 22 – Adjusting Pump Pressure
MAINTENANCE (cont.)
Fuel Filter
Fuel Line
Switch Wires
Screw
Side Cover
Power Switch
Flat blade
Screwdriver
Pressure Gauge
Relief Valve
Model
Pump pressure
CP050EK
3.8 PSI
CP075EK
3.8 PSI
CP125FK
5.5 PSI
CP175FK
6.5 PSI
CP210FK
8.5 PSI