TM 9-6115-664-13&P
CHAPTER 4
UNIT MAINTENANCE INSTRUCTIONS
Section I
LUBRICATION INSTRUCTIONS .............................................................................. 4-3
4-1
General ................................................................................................................... 4-3
Section II
REPAIR PARTS; TOOLS; SPECIAL TOOLS; TEST,................................................. .4-5
MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE) ;
AND SUPPORT EQUIPMENT
4-2
Common Tools ........................................................................................................ 4-5
4-3
Special Tools, TMDE, and Support Equipment........................................................... 4-5
4-4
Repair Parts ............................................................................................................ 4-5
Section III
SERVICE UPON RECEIPT OF EQUIPMENT............................................................ 4-5
4-5
General ................................................................................................................... 4-5
Section IV
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) .......................... 4-6
4-6
General ................................................................................................................... 4-6
4-7
PMCS Procedures ................................................................................................... 4-6
4-8
Cleaning Agents ...................................................................................................... 4-7
Section V
UNIT TROUBLESHOOTING................................................................................... 4-11
4-9
General ................................................................................................................. 4-11
4-10
Troubleshooting..................................................................................................... 4-11
Section VI
UNIT MAINTENANCE PROCEDURES ................................................................... 4-37
4-11
APU Case Assembly (Enclosure)............................................................................ 4-37
4-12
Cover Assembly .................................................................................................... 4-38
4-13
Oil Filter Access Door Assembly ............................................................................. 4-42
4-14
Valve Access Door Assembly ................................................................................ 4-44
4-15
Nosepiece Assembly.............................................................................................. 4-46
4-16
Tie Down / Hoist Ring............................................................................................. 4-48
4-17
External Muffler Cover............................................................................................ 4-50
4-18
Oil Cooler Header.................................................................................................. 4-51
4-19
APU Mounting Bracket ........................................................................................... 4-52
4-20
Local Control Panel Assembly ................................................................................ 4-53
4-21
Switch Assembly (Local Control Panel) ................................................................... 4-55
4-22
Circuit Breaker (Local Control Panel)....................................................................... 4-58
4-23
Remote Control Connector (Local Control Panel)..................................................... 4-60
4-24
Circuit Board Assembly (Local Control Panel).......................................................... 4-62
4-25
Voltmeter (Remote Control Panel)........................................................................... 4-64
4-1
