TM-9-2320-366-34-3 MTV Direct Maintenance Manual M1083 Series - Volume 3 Download
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TM 9-2320-366-34-3 (21) Disconnect vacuum hose (39) from air filter restriction gauge (40). (22) Remove vacuum hose (39) from dashboard (15). (23) Position instrument panel assembly (41) in dashboard (15). (24) Remove two screws (42) and washers (43) from front grille (44). (25) Remove screw (45), washer (46), and front grille (44) from cab (47). (26) Place drain pan under two heater hoses (48). NOTE Tag hoses and connection points prior to disconnecting. (27) Loosen two hose clamps (49) on heater hoses (48). (28) Disconnect two heater hoses (48) from tubes (50). (29) Connect two heater hoses (48) together. 15-63