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Page Title:
Table 4-1. Organizational Preventive Maintenance Checks and Services |
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  TM 11-6625-539-14-4
Q-Quarterly
Total man-hours required: 1.0
WORK
Sequence
ITEM TO BE INSPECTED
TIME
number
PROCEDURE
(M/H)
SECTION I--Exterior case
Man-hours required: 0.2
1
HANDLE, COVER LATCHES, AND CATCHES
0.1
Inspect for missing or inoperative cover latches, catches and catch strikes.
CASE, COVER, AND GASKETS
2
Inspect for cracked or damaged case or cover. Check to see that all gaskets are in place and in good
0.1
condition.
SECTION II--Controls and Indicators
Man-hours required: 0.6
METER
3
Check for free movement, legible dial markings, and clean and secure terminals. Tighten loose
0.1
mounting screws.
KNOBS
4
Check all control knobs for secure mounting. Replace knobs that are cracked. Replace missing
0.1
setscrews or tighten any that are loose.
ROTARY SWITCHES
5
Rotary switches to each designated position to check that switch defects hold securely at each point.
Make sure that switch moves freely without binding or catching. Report defective switches to higher
0.1
category maintenance.
VARIABLE RESISTORS
6
Rotate variable resistor knobs through full operating range to check for free rotation. Report
0.1
defective variable resistors to higher category maintenance.
7
TOGGLE SWITCHES
Press toggle switches to operated positions and release to check that switches return to original
positions. Switches must operate without binding or catching. Report defective toggle switches to
0.1
higher category maintenance.
REMOTE TEST JACKS AND TRANSISTOR SOCKET
8
Check for secure mounting and for defects. Tighten loose mounting hardware. Report to higher
0.1
category maintenance if defective.
SECTION III--Batteries
Man-hours required: 0.1
BATTERIES
9
Press BAT CHK switch down and check that meter deflects into BAT CHK area of meter. Replace
0.1
batteries if batteries are weak.
SECTION IV--Complete Set
Man-hours required: 0.1
10
TRANSISTOR TEST SET
0.1
Check to see that all parts of the test set are present and in good condition. Refer to paragraph 1-11.
Section V. ORGANIZATIONAL TROUBLESHOOTING
4-10. Organizational Maintenance TroubIe-
4-9. General
shooting Chart
This section provides information necessary to
help organizational maintenance personnel iden-
Refer to table 4-2 for the organizational mainte-
tify, localize, and repair troubles which are within
nance troubleshooting chart. Report any malfunc-
their allocated scope.
tion that is beyond the scope of organizational
maintenance personnel to general support main-
tenance.
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