TM-9-2350-277-20-5 Unit Maintenance Manual Volume 5 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9--2350--277--20--5 0796 00--4 REPL ACE NBC HEAT ERS AND MOUNT S (M577A3 ONLY) - Co n t in u ed 0796 00 INSTALLATION NOTE Loc kwashe r (11) i s use d i n pl ac e of the fl atwashe r wi th the ground l e ad. 1. Install operator’s heaters (1), (2), and (3) on welded mounts (4), (5), and (6). Secure each heater with four screws (7), seven washers (8), four new lockwashers (9), ground lead (10), new lockwasher (11), and four nuts (12). 2. Install ground lead (10) on heaters (1), (2), and (3) with screws (13) and new lock washers (14). 3. Install inlet and outlet hoses (15) and (16) and two clamps (17) on operator’s heater (1). Tighten clamps. 4. Install inlet and outlet hoses (18) and (19) and two clamps (20) on operator’s heater (2). Tighten clamps. 5. Install inlet and outlet hoses (21) and (22) and two clamps (23) on operator’s heater (3). Tighten clamps. 6. Install circuit 537C lead (24) on operator’s heater (1), circuit 537D lead (25) on operator’s heater (2), and circuit 537E lead (26) on operator’s heater (3). Change 2