TM 5-4310-387-14
i.
Check return oil flow and vent the oil pump if necessary.
j.
Close filling valve after five minutes of operation and run compressor until final pressure is achieved, as
indicated by the final safety valve blowing off.
k. Check air tightness of complete unit by brushing all fittings and couplings with soapy water to detect escaping air,
i.e., bubbles. Tighten all connections and couplings at leaks and recheck.
I.
Shut off compressor and open all three condensate drain valves. Close drain valves. Air compressor is now
ready for operation.
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Paragraph
Page
4-8
General ................................ ................................ ................................ ........
4-3
4-9
PMCS Procedures ................................ ................................ ........................
4-3
4-8. General. Unit level maintenance PMCS are done to ensure that the Diving Air Compressor is in top operating
condition. A comprehensive PMCS program reduces equipment downtime and increases the operational readiness of
the equipment.
4-9. PMCS Procedures. Unit level PMCS are table 4-1. The numbers in the Item No. column show the order in which
the checks or services should be performed. These numbers should be used when recording deficiencies and
shortcomings on DA Form 2404, Equipment Inspection and Maintenance Worksheet. The dot ( ) in the interval column
indicates when a check or service should be performed.
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS).
W - Weekly
M - Monthly
H - Hourly
A - Annually
Interval
Item
No.
W
M
H
A
Item to be Inspected.
Procedures
1.
Compressor Assembly
250
1.
Change compressor oil (para. 4-16).
80
2.
Replace inlet air filter assembly (para. 4-17).
3.
Inspect all air lines and fittings for damage, wear,
or deterioration. Use a soapy water solution to
check for air leaks. Notify direct support
maintenance if leaks are found.
150
4.
Clean intercooler and aftercooler coils.
4-3
