L.B. White 400-650K Tradesman - Manuel (Page 17)

4 17
MAINTENANCE (cont.)
Pump Fuel Filter
- Remove fan guard (See Figure 20,21).
- Unscrew filter bottom clockwise from filter top with adjustable
pliers.
- Remove fuel filter, gasket, magnet from filter bottom (See Figure
22).
- 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.
PUMP PRESSURE ADJUSTMENT
- Remove pressure gauge plug from pump with 1/8” Allen wrench.
- Install accessory pressure gauge to pressure gauge port (See
Figure 24).
- 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 CP650CK).
- Set pump pressure at 125 PSI (for CP400CK).
- 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.
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Figure 23 – Fuel Pump Filter
Filter Top
Fuel Filter
Gasket
Filter
Bottom
Magnet
Figure 24 – Adjusting Pump Pressure
Pressure Gauge Plug
Pressure Adjustment Screw
Pressure Gauge Port
Pressure Gauge
Pump
Shell Lower Bracket-Filter
Screw Pump
Pump Fuel Filter Assembly
Fuel Line(B)
Fuel Filter
Bracket-Filter
Screw
Shell Lower
Model CP400CK
Model CP650CK