TM 5-4310-369-14
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2-2. General
"TM Item Number" column on DA Form 2404 in recording
To ensure that the compressor is ready for operation at
results on PMCS.
all times, it must be inspected periodically so that any de-
b. Interval Columns. The columns headed B, D, A, and
fects may be discovered and corrected before they result in
W, will contain a dot () opposite the appropriate check
serious damage or failure. Defects discovered during opera-
indicating it is to be performed Before, During, After, or
tion of the unit shall be noted for future corrections, to be
Weekly.
made as soon as an operation has ceased. Stop operation
c. Item to be Inspected Column. The items listed in this
which would damage the equipment if operation were to
column are divided into groups and identifies the items to
continue. All deficiencies and shortcomings shall be re-
be inspected.
corded together with the corrective action taken on DA
d. Procedures Column. This column contains a brief
Form 2404, Equipment Inspection and Maintenance Work-
description of the procedure by which the check is to be
sheet, at the earliest opportunity. When performing your
performed.
Before Operation (B) and During Operation (D) PMCS,
e. For Readiness Reporting, Equipment is Not Ready/
always keep in mind the CAUTIONS and WARNINGS.
Available If: This column will contain the criteria which
After operation, be sure to perform your (A) PMCS. If your
will cause the equipment to be classified as not Ready/
equipment fails to operate, troubleshoot with proper equip-
Available because of inability to perform its primary
ment. Report any deficiencies using the proper forms, see
mission.
TM 38-750.
NOTE
If the equipment must be kept in continuous
operation, check and service only those items
Services
that can be checked and serviced without
Refer to table 2-1 for Preventive Maintenance Checks
disturbing operation. Make the complete
and Services.
checks and services when the equipment can
a. Item Number Column. Checks and services are
be shut down.
numbered in chronological order regardless of interval. This
column will be used as a source of item numbers for the
NOTE: Within designated interval, these checks are to be performed in the order listed.
wweekly
DDuring
BBefore
A-After
Procedures
For Readiness Reporting,
Interval
Item to be
Item
Check for and have Repaired
Equipment is Not
AW
No.
Inspected
Ready/Available If
or Adjusted as Necessary
D
B
1
Drive Belts (1)
Inspect for proper tension. De-
1
Belts are cracked or cut.
flection is 3/4 to 1 inch midway
&
Tension Adjust-
between pulleys. Inspect for
ment (1a)
cracks or cuts.
Release valve leaks air.
Inspect for proper operation. Pull
Safety Release
2
ring to check for freedom of move-
Valve (2)
ment.
