Click here to make tpub.com your Home Page

Page Title: Table 1. Troubleshooting Procedures.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 9-1240-375-34&P
0027 00
M172/M172A1 TELESCOPE AND QUADRANT MOUNT
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1
1 fc 0 3 9 a
Replace worm shaft assembly
1. CROSS LEVEL CONTROL IS
1. Check for worn or defective
ERRATIC AND ROUGH
worm shaft assembly.
DURING MOVEMENT.
2. Check for worn or defective
Replace gear sector (WP 0080 00).
gears in gear sector.
Replace V-bearing or plain
2. CROSS LEVEL KNOB (1)
1. Check for loose or worn
EXCEEDS 1.5-MIL
V-bearing or plain bearing.
BACKLASH.
Replace worm shaft assembly
2. Check for worn or defective
worm shaft assembly.
3. CROSS LEVEL KNOB (1)
1. Check V-bearing tightness.
Loosen plug, and adjust torque
REQUIRES TORQUE IN
EXCESS OF 12.00 IN.-LB
(1.36 N-M) TO ROTATE.
2. Check for defective worm shaft
Replace worm shaft assembly,
assembly, plain bearing, or
plain bearing, or V-bearing
V-bearing.
END OF WORK PACKAGE
0027 00-2

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business