HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR
SERVICE
PROCEDURES
Continued
Fuel Lines
(Procedure for tightening fuel lines)
1.Remove upper shell (see page 10).
2.Use an adjustable wrench as a backup on 90° fittings.
3.Use 7/16" wrench and tighten fuel lines at solenoid valve (see Figure 13), pump, and pump fuel filter assembly (see Fig- ure 14).
Burner Head
Fuel
Line
Solenoid
Valve
Figure 13 - Fuel Line at Solenoid Valve
Pump
Fuel Filter
Assembly
Pump
Fuel
Lines
Figure 14 - Fuel Lines at Pump and Pump Fuel Filter Assembly
Fuel Filters
A. Tank Fuel Filter
1.Disconnect fuel lines from pump and pump fuel filter assembly with 7/16" wrench (see Figure 15).
2.Carefully pry fuel filter loose from fuel tank with flat end of screwdriver.
3.Inspect fuel filter for water or dirt.
4.Rinse fuel filter and fuel lines with clean kerosene.
5.Replace fuel filter into fuel tank.
6.Connect fuel lines to pump and pump fuel filter assembly.
Pump Fuel
Filter
Assembly
Fuel
Lines
Fuel Filter
Figure 15 - Removing Tank Fuel Filter
B. Pump Fuel Filter
1.Unscrew canister bottom from canis- ter top with adjustable pliers.
2.Remove fuel filter and gasket from can- ister bottom (see Figure 16).
3.Inspect canister bottom and fuel filter for water droplets or dirt.
4.Rinse canister bottom in clean kero- sene.
5.Wipe inside of canister bottom dry with clean cloth.
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.
Canister Top
Gasket
Fuel Filter
Canister
Bottom
Figure 16 - Fuel Pump Filter and Canister
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