TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 18–10 Change 2 18–3 M145/M145A1 TELESCOPE MOUNT — CONTINUED c. Disassembly of Linkage Assembly 1 Remove four cap screws (4) and four lockwashers (11) from arm (12). Discard lockwashers. 2 Remove plate (13), plate (14), and two gripspring sets (15) (four gripsprings). 3 Remove two self-locking nuts (16) from shouldered shaft (17). Using brass drift punch and hammer, tap shouldered shaft from arm (12). Discard self-locking nuts. 4 Separate arm (12) from link (18) and remove two gripspring sets (19) (four gripsprings), and two washer bearings (20). 5 At bottom of link (18), remove cap screw (21) and lockwasher (22). Discard lockwasher. d. Inspection of Linkage Assembly 1 Inspect gripsprings (15 and 19) for evidence of spinning. Replace if defective. 2 If plate (13) shows evidence of being dented or bent, replace. 3 Inspect all threaded parts for stripped or missing threads. Replace as needed. e. Assembly of Linkage Assembly 1 Install two washer bearings (20) with the raised portion against ball bearing (23). 2 Install bottom link (18) into arm (12). 3 Insert shouldered shaft (17) into arm (12), and tap into place using brass drift punch and hammer. 4 Install two gripspring sets (19) with the flat sides of the external springs positioned against washer bearings (20) and internal springs towards self-locking nut. Install two new self-locking nuts (16). 5 Install new lockwasher (22) and cap screw (21) at bottom of link (18). 6 Install two gripspring sets (15) in arm (12) with the flat sides of the external halves together. 7 Place plate (13) on arm (12) and plate (14) on the opposite side of arm. 8 Install four new lockwashers (11) and four cap screws (4).