TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 18–8 Change 2 18–3 M145/M145A1 TELESCOPE MOUNT This task covers: a. Inspection of M145/M145A1 Telescope Mount b. Removal of M145/M145A1Telescope Mount c. Disassembly of Linkage Assembly d. Inspection of Linkage Assembly e. Assembly of Linkage Assembly f. Disassembly of Level Assembly g. Assembly of Level Assembly h. Disassembly of Disk Assembly i. Assembly of Disk Assembly j. Disassembly of Quadrant Support Assembly k. Assembly of Quadrant Support Assembly l. Disassembly of Counter Box Assembly m. Assembly of Counter Box Assembly n. Installation of M145/M145A1 Telescope Mount INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Torque wrench (item 18, Appx H) Materials/Parts Lockwasher (item 82, Appx G) Lockwashers (5) (item 58, Appx G) Lockwashers (4) (item 74, Appx G) Lockwashers (4) (item 83, Appx G) Lockwashers (4) (item 96, Appx G) Self-locking nuts (2) (item 181, Appx G) Webbing strap (item 35, Appx D) Personnel Required 2 References TM 9–2350–311–10 TM 750–116 Equipment Condition M117/M117A2 panoramic telescope removed (TM 9–2350–311–10) a. Inspection of M145/M145A1 Telescope Mount For inspection refer to TM 9–2350–311–10. b. Removal of M145/M145A1 Telescope Mount WARNING M145/M145A1 telescope mount weighs 96 pounds (43.5 kg). Observe caution when lifting to pre- vent bodily injury or equipment damage. NOTE Mark lower gun arm caps before removal. Lower gun arm caps must be installed in same position from which they were removed. 1 Remove four cap screws (1), four lockwashers (2), and two lower gun arm caps (3). Discard lockwashers. 2 Loosen four cap screws (4) securing linkage assembly (5) to M145/M145A1 telescope mount (6). NOTE After loosening four cap screws, you may have to tap arm with a soft faced hammer to release gripsprings located between plates.