109891-01B
9
9
For more information, visit www.desatech.com
For more information, visit www.desatech.com
Upper Fuel Line
Figure 11 - Fuel Filter Removal
PUMP PRESSURE ADJUSTMENT
1. Remove fan guard using medium phillips screwdriver.
2. Remove pressure gauge plug from filter end cover (see Figure 9).
3. Install accessory pressure gauge (part number HA1180).
4. Start heater (see Operation, page 5). Allow motor to reach
full speed.
5. Adjust pressure. Turn relief valve to right to increase pressure.
Turn relief valve to left to decrease pressure. See specifica-
tions below for correct pressure (see Figure 10).
6. Remove pressure gauge. Replace pressure gauge plug in filter
end cover.
SERVICE PROCEDURES
Continued
Figure 9 - Pressure Gauge Plug Removal
Pressure
Gauge
Figure 10 - Adjusting Pump Pressure
Relief
Valve
Pump
Model Pressure
125T 6.0 PSI
170T 6.0 PSI
200T 6.2 PSI
FUEL FILTER
1. Remove control cover screws using medium phillips screwdriver.
2. Remove control cover.
3. Pull upper fuel line off fuel filter neck (see Figure 11).
4. Carefully pry bushing, fuel filter, and lower fuel line out of
fuel tank (see Figure 11).
5. Wash fuel filter with clean fuel and replace in tank.
6. Attach upper fuel line to fuel filter neck.
7. Replace control cover.
SERVICE PROCEDURES
Pressure
Gauge
Plug
Fuel Filter, Bushing,
and Lower Fuel Line
Control
Cover
Screw
To Next Page
Loading...
