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

  TM-9-1240-401-34-P - Page 294 of 590

TM 9-1240-401-34&P
Section VI. General Support Final Inspection Procedures
5.1-23. GENERAL
a.
This section describes and illustrates the final inspection of the M15 quadrant. A final inspection will be performed prior
to returning the M15 quadrant to the using unit or to the supply system.
b.
If the M15 quadrant being inspected fails to meet the required standards, ensure all maintenance authorized at the
applicable level has been performed correctly.
5.1-24. M15 QUADRANT FINAL INSPECTION AND ADJUSTMENT
This task covers:
a.
Setting up and adjusting cross-leveling fixture
b. Visual inspection
c.
Bar (gunner’s quadrant seat) final adjustment
d.
Counter assembly final adjustment
e.
Level assembly final adjustment
f.
Backlash final adjustment
g.
Checking maximum cant angle
h.
Checking cross-level knob running torque
i.
Checking elevation handwheel running torque
j.
Checking knob assembly running torque
INITIAL SET-UP
Test Equipment
Cross-leveling fixture 4931-00-652-3553
Precision level 5120-00-546-6362
Test fixture adapter 4931-00-884-7752
Materials/Parts
Tools and Special Tools
Eccentric tool, fabricated (fig. C-2, appx C)
Quadrant mounting fixture (fig. C-12, appx C)
Shop Equipment, Instrument and Fire Control System
Repair: Field Maintenance, Specialized (SC4931-95
Adhesive
Item 1.1, appx B
Sealing compound
Item 13, appx B
Shim stock
Item 19, appx B
Tape, pressure sensitive
Item 20, appx B
5.1-60
Change 1


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