TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 547 of 828
TM 9–2350–311–20–2 Change 2 12–6.1 b. Disassembly NOTE Perform step 1 for commander’s cupola with hook latch assembly or steps 1.1 through 1.3 for com- mander’s cupola with knob latch assembly. 1 To disassemble cupola cover (1), remove spring pin (10), and straight pin (11). Discard spring pin. 1.1 To disassemble cupola cover (1), remove two cap screws (11.1), two lockwashers (11.2), catch (11.3), and shims (11.4). 1.2 Remove two inserts (11.5) if necessary for replacement. 1.3 Remove decal (11.6) if necessary for replacement. NOTE Commander’s cupola containing drain holes will have a gasket to remove. Commander’s cupolas without drain holes will have a cover seal to remove. 2 Strip off cover seal or gasket (12) and discard. NOTE Scrape dirt and adhesive from cover seal/gasket seat. 3 Lift off cupola cover (1). NOTE Step 4 pertains to cupola covers without outside latch handle. 4 Remove two machine bolts (13), two lockwashers (14), and cupola cover handle (15). Discard lockwashers. 13 12 10 11 1 14 15 11.1 11.2 11.4 11.5 11.6 1 11.3