TM 5-4220-233-14
CHAPTER 3
OPERATOR MAINTENANCE INSTRUCTIONS
Section
I
Lubrication Instructions .........................................................
3-1
Section
II
Service Upon Receipt ...........................................................
3-4
Section
III
Operator/Crew Troubleshooting Procedures..........................
3-5
Section
IV
Operator Maintenance ..........................................................
3-8
Section I. LUBRICATION INSTRUCTIONS
Paragraph
Page
3-1
Lubrication Instructions .........................................................
3-1
3-1.
LUBRICATION INSTRUCTIONS
a.
The Servicing Unit Trailer must receive lubrication with approved lubricants at recommended intervals
in order to be mission-ready at all times. These lubricants or the cleaning solvent identified in these
instructions, should never be used in conjunction with the breathing air components of the Compressed Gas
System. Cleaning instructions for the Compressed Gas System components are contained in Chapter 4,
Section VII.
b.
The lubrication chart, Table 3-1, shows lubrication points, names items to be lubricated, the required
lubricant, and recommended intervals for lubrication Any special lubrication instructions required for specific
components are contained in the NOTES section of the chart.
c.
Recommended intervals are based on normal conditions of operation, temperature, and humidity When
operating under extreme conditions, lubricants should always be changed more frequently. When in doubt,
notify your supervisor.
d.
Keep all lubricants in a closed container and store in a clean, dry place away from extreme heat Keep
container covers clean and do not allow dust, dirt, or other foreign material to mix with lubricants. Keep all
lubrication equipment clean and ready for use.
e.
Maintain a record of lubrication performed and report any problems noted during lubrication. Refer to
DA PAM 738-750 for maintenance forms and procedures to record and report any findings.
WARNING
Gear oil leaking from the hub and drum assembly may soak the brakeshoe linings,
making them inoperative. If this occurs have unit maintenance replace them.
Failure to follow this warning may cause brakes to malfunction, resulting in serious
injury.
f.
Keep all external parts of equipment not requiring lubrication free of lubricants. After lubrication, wipe
off excess oil or grease to prevent accumulation of foreign matter.
g.
Refer to FM 9-207 for lubrication instructions in cold weather.
h.
Refer to TM 9-238 for lubrication instructions before and after fording operations. After fording
operations have been conducted the oil level in the hub and drum assembly should be checked for
contamination.
i.
After operation in mud, sandy, or dusty conditions, clean and inspect all points of lubrication for fouled
lubricants. Change lubricants, if required.
3-1
