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 37 of 590
TM 9-1240-401-34&P
2-5. CATEGORIES OF INSPECTION
a.
An initial inspection (ref. para 2-6) is performed immediately on receipt of the M146 telescope
nance. This inspection will determine the amount and type of work to be performed.
b. A final inspection (ref. para 2-1 5) is performed
iceability standards.
after repairs
mount for mainte-
have been completed to ensure the item meets serv-
2-6. INITIAL INSPECTION
Item No.
Item To Be Inspected
Procedures
1
M146 TELESCOPE MOUNT
Examine M146
telescope mount (1) for good overall appearance
with all parts securely tightened in place.
2
MOUNTING SURFACES
Check mounting surfaces (2) for burrs and corrosion
3
BRACKET ASSEMBLY
Check that elevation bracket (3) slides freely without binding .
Visually observe elevation bracket for evidence of excessive
wear.
4
KNOBS
Operate knobs (4). Verify that operation is smooth without
binding or rough motion and that adjustment provides 2–1/2
revolutions minimum total movement.
5
CABLE ASSEMBLY
Visually inspect cable assembly (5) for damage. Test
continuity in cable circuit using multimeter.
2-3
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