TM 9-1240-401-34&P
3-15. WORMSHAFT ASSEMBLY MAINTENANCE INSTRUCTIONS
a. Removal b. Disassembly c. Repair
d. Assembly e. Installation
This task covers:
Tools
Preformed packing (Item 38, appx E)
Drill bit No. 32 (0.116) (Item 14, appx F)
Preformed packings (2) (Item 27, appx E)
Drill, electric 1/2" (Item 12, appx F)
Sealing compound (Item 13, appx B)
Shim (Item 54, appx E)
Tool Kit, Electronic System, Repair, Field Mainte-
Shim (Item 55, appx E)
nance (SC5180-95-CL-B29) 5180-01-168-0487
Shim (Item 56, appx E)
V-block (Item 25, appx F)
TM 9-254
Adhesive (Item 2, appx B)
Grease (Item 6, appx B)
ment Condition
Grease (Item 7, appx B)
M118A2/M118A3 elbow telescope removed from
Lockwashers (3) (Item 77, appx E)
Preformed packing (Item 28, appx E)
howitzer (TM 9-2350-311-10)
a. Removal
1 Remove three cap screws (1) three Iockwashers
(2), wormshaft assembly (3), and shims (4,5 and
6). Discard lockwashers and shims.
2 Remove two headless straight pins (7), only if dam-
ged.
b. Disassembly
1 Scribe a reference mark on knob (8) and worm
shaft (9).
2 Support knob (8) with a V-block and drive out ta-
pered pin (10). Remove knob (8) from end of worm
shaft (9).
3-16
