SECTION III: SENDING UNITS, WARNING LIGHT SWITCHES, ANDTM 9-2350-256-20WARNING HORNS6-22 REPLACE ENGINE OIL TEMPERATURE SENDING UNIT, ENGINE OIL PRESSURE SENDING UNIT, ANDSWITCHESTHIS TASK COVERSa. Removalb. InstallationINITIAL SET-UPTools:Material:Equipment Condition:Tool kit, general mechanic'sCompound, sealing (AppendixPowerplant removed (see(Appendix C, item 53)D, item 25)paragraph 3-1)WARNINGBe certain MASTER switch is OFF when working on electrical system to avoid electrical shock and bums.a. REMOVAL1 Disconnect connector (1) from switch (2). Removeswitch.2 Disconnect connector (3) from engine oil pressuresending unit (4). Remove engine oil pressuresending unit.3 Disconnect connector (5). Remove main engine oilpressure switch (6).4 Disconnect connector (7) from engine oiltemperature sending unit (8).5 Disconnect connector (9) from switch (10). Removeengine oil temperature sending unit (8).6 Remove switch (10).b. INSTALLATIONNOTEApply sealing compound to threads of allsending units (4 and 8) and switches (2 and 10).1 Install switch (10).2 Install engine oil temperature sending unit (8) andconnect connector (9) to switch (10).3 Connect connector (7) to engine oil temperaturesending unit (8).4 Install main engine oil pressure switch (6) and connect connector (5).5 Install engine oil pressure sending unit (4) and connect connector (3).6 Install switch (2) and connect connector (1).7 Install test cables and hoses. Test run engine prior to installation. Observe for leaks.NOTEFollow-on maintenance: Install powerplant (see paragraph 3-1).6-55
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