TM 5-4310-386-14
Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) (Cont).
B - Before
D - During
A - After
W - Weekly
INTERVAL
EQUIPMENT IS
ITEM
ITEM TO BE INSPECTED
NOT READY/
NO
B
D A
W
PROCEDURES
AVAILABLE IF:
13
•
•
Check alternator V-belt tension. Visually
Belt depression is more than 1/2 inch.
inspect for wear, fraying and peeling
through guard screen. Check belt tension
through hand opening.
14
•
Clutch. Check clutch engagement, there
Clutch slips, handle disengages, no
should be a noticeable snapping action
snapping action, or clutch has no
when clutch is properly adjusted.
adjustment left.
15
•
Pressure Maintenance Valve (PMV).
PMV does not maintain 1800 to 2000
psi on the final pressure gage.
Section III. OPERATION UNDER USUAL CONDITIONS
Paragraph
Page
2-10
General......................................................................................................................................
2-9
2-11
Pre-Operational Checks .............................................................................................................
2-9
2-12
Start-Up Procedures...................................................................................................................
2-11
2-13
Shut-Down Procedures...............................................................................................................
2-13
2-10. General. This section describes the operating procedures for the K-20-D Compressor Unit. Included are pre-
operational checks, start-up procedures and shut-down procedures.
2-11. Pre-Operational Checks. After performing PMCS procedures in Section II, proceed with the following (figure 2-
3):
a. Ensure that the engine exhaust is located down-wind and the pre-filter air-intake is up-wind and fully extended.
b. Check oil level in the compressor and engine, add as required.
c. Check fuel in tank; top off if required.
d. Ensure that the air cleaner bowl (1) has been filled (use same grade motor oil for engine).
e. Check ether reservoir (2); add if required (cold weather).
2-9
