For Heaters with Fuel Filter Internal to Pump

Dayton Operating Instructions and Parts Manual

3E358B and 3E359B

Dayton® Portable

Oil-Fired Heaters

Maintenance (Continued)

FOR HEATERS WITH FUEL FILTER INTERNAL TO PUMP

1.Remove pump cover to access filter.

2.Rinse and wipe inside of pump cover and dry with clean cloth.

3.Rinse fuel filter in clean kerosene or blow compressed air from inside out.

4.Reassemble and tighten securely. Check for leaks.

Pump Fuel

Cover Filter

6.Rinse fuel filter in clean Kerosene.

7.Put clean fuel filter and gasket back in canister bottom.

8.Screw canister bottom into canister top.

9.Tighten securely. Check for leaks.

Canister

Top

Gasket

Fuel Filter

Canister

Bottom

PUMP

(Procedure if pump is binding)

1.Remove upper shell (See Figure 8, page 7).

2.Loosen hex screw on flange clamp at rear of motor with 5/16" nut-driver (See Figure 15).

3.Turn fan with hand (See Figure 16).

4.If fan turns freely, tighten screw on flange clamp.

5.If fan does not turn freely, replace pump.

6.Replace upper shell.

Hex Screw On

Flange Clamp

Figure 14 - Fuel Pump Filter and Canister

Figure 13 - Fuel Pump and Filter

FOR HEATERS WITH FUEL FILTER/ CANISTER EXTERNAL TO PUMP

1.Unscrew canister bottom from canister top with Channellock pliers.

2.Remove fuel filter and gasket from canister bottom (See Figure 14).

3.Inspect canister bottom and fuel filter for water or dirt.

4.Rinse canister bottom in clean Kerosene.

5.Wipe inside of canister bottom dry with clean cloth.

Dayton 3E359B, 3E358B specifications For Heaters with Fuel Filter Internal to Pump