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 162 of 590

TM 9-1240-401-34&P
Section VI. General Support Final Inspection Procedures
4-23. GENERAL
a.
This section describes and illustrates the final inspection of the M145/M145A1 telescope mount. A final inspec-
tion will be performed prior to returning the M145/M145A1 telescope mount to the using unit or to the supply sys-
tem.
b. If the M145/M145A1 telescope mount being inspected fails to meet the required standards, ensure all mainte-
nance authorized at the applicable level has been performed correctly. Then send the M145/M145A1 telescope
mount to the next higher level of maintenance.
4-24. M145/M145A1 TELESCOPE MOUNT FINAL INSPECTION AND ADJUSTMENT
This task covers:
a.
b.
c.
d.
e.
f.
g.
Setting up and adjusting the cross-leveling fixture h.
Visual inspection
i.
Mounting M145/M145A1 telescope mount on
j.
cross-leveling fixture
Quadrant support assembly adjustment
k.
Cross-level adjustment
i.
Pitch adjustment
m.
Cant adjustment
n.
Pitch level vial adjustment
Checking elevation handwheel running torque
Checking cross-level mechanism knob running
torque
Checking elevation correction knob running torque
Checking quadrant level knob running torque
Checking pitch knob running torque
Correction counter inspection
INITIAL SET-UP
Test Equipment
.
Adapter, fixture, with carrying case 5800953
Collimating telescope (Item 23, appx F)
Cross-leveling fixture (Item 11, appx F)
Eccentric tool, fabricated (fig. C-2, appx C)
Eccentric tool, fabricated (fig. C-3, appx C)
Linkage assembly 11728173
Perpendicularity gage 10559200
Precision level (Item 20, appx F)
Rigidity test target (Fig. C-11, appx C)
C-clamp (Item 10, appx F)
Purging kit (Item 22, appx F)
Torque adapter (Item 3, appx F)
Torque adapter (Item 4, appx F)
Torque adapter (Item 5, appx F)
Torque adapter (Item 6, appx F)
Torque adapter (Item 8, appx F)
Torque wrench (in-oz) (item 35, appx F)
Torque wrench (in-lb) (item 36, appx F)
Parts
Shim stock (Item 19, appx B)
Tape (Item 20, appx B)
References
TM 750-116
TM 9-2350-311-10
TM 9-2350-314-10
t Condition
. .
M145/M145A1 telescope mount removed
from howitzer (TM 9-2350-311-20-2/
Tool Kit, Electronic System, Repair, Field Mainte-
nance (SC5180-95-CL-B29) 5180-01-168-0487
TM 9-2350-314-20-2)
4-48


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