Section III. UNIT LUBRICATION
4-7 POWER PLANT/POWER UNIT LUBRICATION.
Detailed instructions for lubrication of major components of the power plants/power units are contained in the applicable
generator set Lubrication Orders (LOs) and trailer TMs. The following paragraphs identify the applicable references and
contain lubrication instructions that are not included in the references.
Generator Set Lubrication. Refer to LO 9-6115-642-12 for generator set and engine lubrication instructions.
See Appendix E for expendable supplies and materials needed for lubrication.
Trailer Assembly Lubrication. Refer to TM 9-2330-202-14&P for Power Units PU-798 and PU-799 trailer
chassis lubrication instructions, TM 9-2330-392-14&P for Power Units PU-798A and PU-799A trailer chassis lubrication
instructions, and TM 9-2330-213-14&P for Power Plants AN/MJQ-37 and AN/MJQ-38 trailer chassis lubrication
instructions. See Appendix E for expendable supplies and materials needed for lubrication.
Rear Leveling-Support Jack Lubrication. The rear leveling-support jack is a modification to the standard 1 1/2
ton trailer chassis, the standard 1 ton trailer chassis, and the high mobility trailer chassis. Lubrication of this rear leveling-
support jack is not covered in the trailer TMs. See figure 4-3 and lubricate the rear leveling-support jack semiannually, as
Dry cleaning solvent used to clean parts is potentially dangerous to personnel and
property. Clean parts in a well-ventilated area. Avoid inhalation of solvent fumes. Wear
goggles and rubber gloves to protect eyes and skin. Wash exposed skin thoroughly. Do
not smoke or use near open flame or excessive heat. Failure to observe this precaution
can cause injury to personnel or damage to equipment.
Clean the lubrication fitting (1) with dry cleaning solvent. Expendable supplies and materials needed for lubrication
are listed in Appendix E.
Figure 4-3. Rear Leveling-Support Jack Lubrication Points.
Inject sufficient GAA grease into lubrication fitting (1) to lubricate screw threads (3) inside leg base (4).
Apply OE lubricating oil to both ends of rear leveling-support jack pivot shaft (2).
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