Pump Pressure Adjustment - L.B. White CP400AK Owner's Manual And Instructions

MAINTENANCE (cont.)
Pump
Pump Fuel Filter Assembly
Figure 23 – Remove Tank Fuel Filter
Pump Fuel Filter
- Remove fan guard (See Figure 21,22).
- Unscrew filter bottom clockwise from filter top with adjustable
pliers.
- Remove fuel filter, gasket, magnet from filter bottom (See Figure
24).
- Wash filter bottom with clean kerosene.
- Wipe inside of filter bottom dry with clean cloth.
- Wash Fuel filter in clean kerosene.
- Remove dirt attached to magnet.
- Put clean magnet, fuel filter and gasket back in filter bottom.
- Tighten firmly.
Figure 25 – Adjusting Pump Pressure
4 17
Fuel Line (B)
Fuel Filter
Pressure Gauge Plug
Pressure Gauge
Figure 24 – Fuel Pump Filter

PUMP PRESSURE ADJUSTMENT

- Remove pressure gauge plug from pump with 1/8" Allen wrench.
- Install accessory pressure gauge to pressure gauge port (See
Figure 25).
- Start heater (See Operation, Page 12). Allow motor to reach full
speed.
- Adjust pressure (Using small flat blade screwdriver). Turn pressure
adjustment screw clockwise to increase pressure. Turn screw
counterclockwise to decrease pressure.
- Set pump pressure at 110 PSI (for CP650AK).
- Set pump pressure at 125 PSI (for CP400AK).
- Stop heater (See Operation, Page 12).
- Remove pressure guage. Replace pressure gauge plug in pressure
gauge port.
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 Port
Pressure Adjustment Screw
Pump
Filter Top
Gasket
Fuel Filter
Magnet
Filter
Bottom