TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-4 REPLACE COOLANT HOSES AND FITTINGS — Continued 0646 00 4. Loosen two clamps (10) on hose (11). Remove hose (11) from heater shutoff valve (12) and from elbow (13) on engine block. Remove clamps (9) and (10) and tubing (14) from hose (11). 5. Remove elbow (13) and draincock (15) from mount (16) on engine block. 6. Remove two screws (17), washers (18), mount (16), and gasket from engine block. Discard gasket. 7. Remove adapter (5) from bushing (20) on heater. Remove bushing from tee (21). 8. Remove shutoff valve (12) from bushing (22). Remove bushing from tee (21). 9. Remove tee (1) from coolant heater. 0646 00-2