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Page Title:
Table 3-1. Troubleshooting Chart. |
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 TM 55-4920-425-13&P
Table 3-1. Troubleshooting Chart.
TROUBLE
PROBABLE CAUSE
REMEDY
1. Table will not turn
a. Fuse blow.
a. Replace fuse.
with ROTATION switch
Defective switch.
Replace switch.
in either position.
Loose wiring.
Tighten or re-
solder connections.
b. Lack of input power.
b. Check power out-
Input voltage low
let and line cord.
and low voltage re-
Check input volt-
lay deenergized.
age. Refer to
2. Rate of turn more
Misadjustment of
Readjust speed con-
or less than
speed controls.
trols. Refer to
specified.
Figure 3-4 and
3. Electrical transfer.
a. Loose wiring.
a. Tighten or re-
Circuit open.
solder connections.
b. Dirty slip rings
b. Clean slip rings
or pick-up contacts.
and contacts. Re-
fer to paragraph 3-7.
4. Vacuum transfer
Worn or dry table seal.
Lubricate or replace
circuit leaking.
Worn of dry manifold
table or manifold seal.
seal.
Refer to paragraph 3-13
Item 3.
5. Clutch will not
a
Fuse blown.
a. Replace fuse.
operate.
Loose wiring.
Tighten or re-
solder connections.
b. Defective switch
b. Replace switch.
6. Vibrator motor
a. Fuse Blown.
a
Replace fuse.
will not operate.
Loose wiring.
Tighten or resol-
der connections.
b. Defective switch.
b. Replace switch.
3-7
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