TM 9-4120-405-13&P
CHAPTER 4
UNIT MAINTENANCE INSTRUCTIONS
Table Of Contents
Unit Lubrication Instructions ..................................................................................................4-2
General ....................................................................................................................................4-2
Lubrication Interval....................................................................................................................4-2
Repair Parts, Special Tools, TMDE, and Support Equipment ..................................................4-6
Common Tools and Equipment ..................................................................................................4-6
Special Tools, TMDE, and Support Equipment ............................................................................4-6
Repair Parts .............................................................................................................................4-6
Service Upon Receipt and Preparation for Movement ............................................................4-6
Service Upon Receipt ................................................................................................................4-6
Unpacking the Equipment ..........................................................................................................4-6
Checking Unpacked Equipment .................................................................................................4-7
Installation Site Preparation .......................................................................................................4-7
Preparation for Installation.........................................................................................................4-10
Installation Instructions ..............................................................................................................4-10
Grounding ................................................................................................................................4-13
Flexible Ducts...........................................................................................................................4-17
Fire Extinguisher .......................................................................................................................4-17
Auxiliary Fuel Line Connection ...................................................................................................4-17
Unit Preventive Maintenance Checks and Services (PMCS) ...................................................4-22
Introduction, Inspection, and Service..........................................................................................4-22
Unit Troubleshooting Procedures...........................................................................................4-23
General ....................................................................................................................................4-23
Unit Maintenance Procedures.................................................................................................4-25
General Information ..................................................................................................................4-25
Electrical Wiring Repair .............................................................................................................4-25
Power Cable and Ground Wires .................................................................................................4-26
Storage and Accessory Boxes ...................................................................................................4-31
Mounting Bracket, Fire Extinguisher ...........................................................................................4-33
Adapter, Supply and Return Duct ...............................................................................................4-35
Cover, Adapter End...................................................................................................................4-38
Leg Prop Assembly ...................................................................................................................4-39
Fender .....................................................................................................................................4-41
Plates, Data..............................................................................................................................4-43
Reflector and Bracket ................................................................................................................4-45
Clamps, Cable ..........................................................................................................................4-47
Stack, Exhaust .........................................................................................................................4-49
Hose, Drain Extension...............................................................................................................4-51
Filter, Return Air........................................................................................................................4-52
Terminal, Ground......................................................................................................................4-55
Preparation for Storage and Shipment ...................................................................................4-57
Preparation for Storage .............................................................................................................4-57
4-1