MALFUNCTION
MALFUNCTION
TEST OR INSPECTION
TEST OR INSPECTION
CORRECNVE ACTION
CORRECNVE ACTION
6.
COMPRESSOR RUNNING HOT
7.
COMPRESSOR RUNNING SLOW.
Step 1. Check for blockage of air to fan wheel
Step 1. Check motor terminal board for loose connection.
Move any foreign object that is blocking
Tighten loose terminals. Clean the term
air passage. Use compressed air to remove
inal board with blast of air
any accumulation of dust or dirt.
Step 2. Check for low oil level:
Step 2. Check for leaking or maladjusted pilot valve.
Fill to proper level (LO 5-4310-348-12).
Adjust the pilot valve (para 3-9). If leak-
Step 3. Check for clogged inlet filter.
ing, notify organizational maintenance.
Service the inlet filter (para 3-10).
Section IV. MAINTENANCE PROCEDURES
belts and pulleys. .The front (12) has a mesh screen
3-5. Belt Guard Assembly
covering the wheel fan opening, allowing fan to pull
a. General. The belt guard assembly (1, fig. 3-1)
air in for cooling the aftercooler tube.
is a two piece guard that totally encloses the drive
1.
Belt guard assy.
7. Capscrew (2)
13.
Capscrew
2.
Capscrew
8. LOCKWASHER (2)
14.
Lockwasher
3.
Lockwasher
9. Flat washer (2)
15.
Belt guard (back)
4.
Flat washer
10. Spacer (2)
16.
Instruction plate
5.
Brace
11. Spacer (3)
17.
Identification plate
6.
Thread forming screw (2)
12. Belt guard (front)
18.
Direction arrow
Figure 3-1. Belt guard assembly, removal and installation.
3-3
