Section VI. MAINTENANCE OF FUEL SYSTEM

Figure 4-9. Intake and exhaust valves, disassembly and reassembly.

Figure 4-10. Fuel tank, filter and related parts, exploded view.

TM-5-4310-277-14 Compressor Reciprocating Air 15 CFM 175 PSI Tank Mounted GED (Champion Pneumatic Model HGR5-8M-1) Manual
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TM 5-4310-277-14

Malfunction

Test or Inspection

Corrective Action

5. COMPRESSOR NOISY

Step 1. Check for loose engine drive pulley or flywheel (fig. 4-7).

Tighten engine drive pulley or compressor flywheel (refer to fig. 4-7).

Step 2. Check for worn V-belts.

Replace worn V-belts using the following procedure:

a. Stop the engine.

b. Release the air from the compressor by opening the draincock.

c. Remove nut (fig. 4-6), lockwashers, washer and screw, remove bracket.

d. Remove nuts, lockwashers and washers and remove guard.

e. Remove the V-belts as illustrated in Figure 4-7.

f. Replace worn V-belts and install.

6. V-BELTS WORN EXCESSIVELY

Step 1. See Malfunction 2, Step 1.

Step 2. Check engine pulley and compressor flywheel for misalignment.

Align pulley and flywheel (refer to fig. 4-7).

7. COMPRESSOR VIBRATES EXCESSIVELY

Step 1. Check for loose mounting.

Tighten mounting bolts and/or mounting plates.

Step 2. Check flywheel alignment (fig. 4-7).

Realign the flywheel (refer to fig. 4-7).

Step 3. Check for a possible loose foundation.

Strengthen foundation or relocate air compressor on a solid base. Keep unit as level as possible.

Section VI. MAINTENANCE OF FUEL SYSTEM

(3) Remove the cap assembly (7) and

4-11. General

disassemble it by removing chain (8), gasket (9) and

The fuel system consists of a fuel tank, fuel line, and

screem (10).

fuel line filter. A filler cap assembly, filler cap

(4) Remove filter assembly (11) and unscrew

gasket, and screen are a part of the fuel tank. The

elbow (12) from tank (13).

fuel tank screen provides a means of trapping and

preventing foreign matter from entering the fuel

KEY to Figure 4-10.

tank during fuel filling operations. The fuel line filter

1. Nut

provides a means of removing water and foreign

2. Washer

3. Bushing

matter from the fuel. It is located between the fuel

4. Nut

tank and carburetor.

5. Line

4-12. Fuel Tank

6. Strap

7. Cap assembly

a. Removal and Disassembly. Remove and

8. Chain

disassemble the fuel tank assembly as follows:

9. Gasket

(1) Remove the nuts (1, fig. 4-10) and washers

10. Screen

(2) mounting the strap (6).

11. Filter assembly

12. Elbow

(2) Remove bushings (3), nuts (4) and

13. Tank

disengage line (5) and remove strap (6).

4-18

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