7
Models 2E510E, 2E511E, 3E218E, and 3E219D
Dayton Operating Instructions and Parts Manual
104447
®
Maintenance (Continued)
5. Remove pressure gauge. Replace
pressure gauge plug in filter end cover.
Pump
Model Pressure
2E510E 3.0 psi
2E511E 3.4 psi
3E218E 5.3 psi
3E219D 5.4 psi
Figure 12 - Pressure Gauge Plug
Removal
Pressure
Gauge Plug
Relief
Valve
PRESSURE ADJUST
P
Pressure
Gauge
Figure 13 - Adjusting Pump Pressure
FUEL FILTER
1. Remove side cover screws using
5/16" nut-driver.
2. Remove side cover.
3. Pull upper fuel line off fuel filter
neck (See Figure 14).
4. Carefully pry bushing, fuel filter, and
lower fuel line (Models 3E218E and
3E219D only) out of fuel tank (See
Figure 15).
5. Wash fuel filter with clean fuel and
replace in tank.
6. Attach upper fuel line to fuel filter
neck.
7. Replace side cover.
PUMP PRESSURE ADJUSTMENT
1. Remove pressure gauge plug from
filter end cover (See Figure 12).
2. Install accessory pressure gauge (Part
Number HA1180) (See Figure 13).
3. Start heater (See Operation, page 5).
Allow motor to reach full speed.
4. Adjust pressure. Turn relief valve to
right to increase pressure. Turn relief
valve to left to decrease pressure.
See specification chart below for
correct pressure for each model.
Side
Cover
Upper Fuel Line
Fuel Filter
Figure 14 - Fuel Filter Removal, Models
2E510E and 2E511E
Side
Cover
Upper
Fuel
Line
Figure 15 - Fuel Filter Removal, Models
3E218E and 3E219D
Fuel Filter, Bushing, and
Lower Fuel Line