TM-9-1240-401-34-P
TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
JULY 1993
TM-9-1240-401-34-P - Page 247 of 590
TM 9-1240-401-34&P
5.1-11. GENERAL SUPPORT SYMPTOM INDEX
CORRECTION KNOB ASSEMBLY
Troubleshooting
Procedure
(Page)
Correction knob binds .
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5.1-14
COUNTER ASSEMBLY
Counter numbers are not in horizontal alinement .
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5.1-14
Elevation counter fails to allow 1383-mils elevation and 228-mils depression.
. .........................................
5.1-15
LEVEL ASSEMBLY
Level vials have uneven or no illumination with 24 volts DC applied .
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5.1-14
WORMSHAFT ASSEMBLY
Elevation knob exceeds 0.5-mil backlash total .
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5.1-15
Change 1
5.1-13
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