TM 9-2320-361-20 4-22. MANIFOLD HEATER SWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). REFERENCES (TM) Battery ground cable disconnected (para. 4-48). TM 9-2320-361-10 TM 9-2320-361-20P 1. Remove two screws (3) and manifold heater switch (6) from instrument panel (4). NOTE Tag all wires for installation. 2. Disconnect wires (1) and (7) and remove manifold heater switch (6). 1. Connect wires (1) and (7) to manifold heater switch (6). 2. Push switch lever (5) through hole (2) in instrument panel (4). Be sure switch lever (5) is positioned toward OFF marked on data plate. 3. Install manifold heater switch (6) on instrument panel (4) with two screws (3). FOLLOW-ON TASKS: Connect battery ground cable (para. 4-48). Start engine (TM 9-2320-361-10) and check operation of manifold heater switch. 4-37