TM 10-4320-315-242-37. MAINTENANCE OF ENGINE TEMPERATURE AND OIL PRESSURE SWITCHES AND SENDERSThis task covers: a.Removeb.InstallINITIAL SETUP:ToolsEquipmentConditionsGeneral Mechanics Tool KitPumping assembly is shutdown (refer to TM 10-4320-(Item 1, Appendix B)315-10).Battery assembly is disconnected (para. 2-16).Materials/PartsTags (Item 21, Appendix C)Lockwashers (TM 10-4320-315-24P)a. REMOVE. (Figure 2-24)(1)Open engine access door.(2)Remove air cowling cover to engine.(3)Tag and disconnect wiring harness wire (1) from engine temperature switch (2). Unscrew switch from No. 1cylinder of engine.(4)Tag and disconnect wiring harness (3) from oil pressure switch (4). Unscrew switch from side of oil filterhousing (5).(5)Remove nut (6) and washer (7). Tag and disconnect wiring harness wire (8) from engine temperature sender(9). Unscrew sender from top of oil filter housing (5).(6)Remove nut (10), lockwasher (11), and flat washer (12). Tag and disconnect wiring harness wire (13) fromoil temperature sender (14). Unscrew sender from pipe tee at engine block (15).b. INSTALL.(1)Install oil temperature sender (14) in pipe tee at engine block (15). Connect wiring harness wire (13) tosender with nut (10). Remove tag.(2)Install engine temperature sender (9) into top of oil filter housing (5). Connect wiring harness wire (8) tosender with washer (7) and nut (6). Remove tag.(3)Install oil pressure switch (4) into side of oil filter housing (5). Connect wiring harness wire (3) to switch andremove tag.(4)Install engine temperature switch (2) into No. 1 cylinder of engine. Connect wiring harness wire (1) to switchand remove tag.(5)Install air cowling cover.(6)Close engine access door.2-66
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