TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 12–14 Change 2 12–3 CUPOLA COVER, BODY, AND HANDLE — CONTINUED e. Adjustment 1 To adjust anchor/torsion bar assembly on cupola cover (1), insert new spacer plate(s) (6) as required. Pro- vide a 0.016 + 0.063 inch (0.406 + 1.6 mm) clearance between spring ends and anchor. 2 Insert new spacer ring(s) (7) as required. Provide a 0.005 + 0.200 inch (0.127 + 5.08 mm) clearance be- tween tube end and cover hinge. 3 Insert new flat washer(s) (9) as required. Center hatch in cupola body within 0.047 inch (1.2 mm). 4 Insert new flat washers(s) (25) as required. Provide spring washer (30) depression of approximately 0.031 inch (0.79 mm) in UNLOCK position. NOTE Step 5 pertains to commander’s cupola assemblies which have been modified and use the knob latch assembly. 5 To adjust catch/latch assembly on cupola cover (1) when secured in open position, insert shims (11.4) as required. Provide a 0.06 to 0.12 inch (1.524 to 3.048 mm) clearance between end of plunger of latch assem- bly (22.4) and to back of slot in catch (11.3). 1 6 7 9 30 25 11.4 11.3 1 22.4