TM 11-6125-220-20
Table 3-1 Intermediate PMCS (cont.)
Total time required: 0.4
ITEM TO BE INSPECTED
Sequence
Work time
PROCEDURE
No.
(T/H)
MOUNTING:
4
Check for cleanliness, stability, and
loose or missing hardware.
ELECTRICAL CAPS:
5
0.1
When accessible, check the electrical
brush caps for seating. Do not re-
move, reek, or twist to inspect.
Use only a direct pressure to be
sure that the cap is fully seated.
CONNECTIONS:
6
0.1
Cheek connections at terminal board
and ac power connector and see
that they are clean, intact, and secure.
OPERATION:
`7
During operation be alert for signs of
malfunction such as excessive vibration,
overheating, or variations in output
voltage and frequency. Refer to the operational check in
Table 3-2. Periodic PMCS
Total time required: 0.5
Sequence
Work time
ITEM TO BE INSPECTED
No.
PROCEDURE
(T/H)
PUBLICATIONS:
1
0.1
Cheek to see that all publications perti-
nent to this equipment are on hand,
complete, and usable. Check DA Pam
310-4 for recent changes to publications.
MODIFICATIONS:
2
0.1
Check DA Pam 310-7 to see that all URGENT
MWO's have been applied, and that all
NORMAL MWO's have been scheduled.
INSTALLATION:
3
Check to see that the inverter is prop-
erly secured with safety wire attached.
SLIPRINGS:
4
0.1
Remove the ac end cover and inspect the
sliprings for excessive wear and pitting.
AC CONTACT BRUSHES:
0.1
5
When accessible, remove the ac contact
brushes as in paragraph 3-8 and inspect
for wear, cracks, chips, and broken
flexible wire. Check brush holders and
springs for cleanliness and proper
tension. Refer inverter to direct
support maintenance for replacement.
3-2
