TM 5-4310-247-15
PREVENTIVE MAINTENANCE SERVICES
QUARTERLY
TM 5-4310-247-15
JOY MODEL RPV250DC20MS1
COMPRESSOR, AIR
LUBRICATE IN ACCORDANCE WITH CURRENT LUBRICATION ORDER PAR REF
ITEM
1.
FIRE EXTINGUISHER. Inspect for broken seal.
57
2.
RADIATOR. Proper coolant level is 2 inches below filler neck.
V-BELTS. Proper adjustment is a deflection of 3/4 inch midway between
3.
38
pulIeys. (weekly)
BATTERIES. Tighten loose cables and mountings. Remove corrosion.
39
Inspect for cracks and leaks. FilI to 3/8 inch above the plates. Clean
4.
vent hole in filler cap before instalIing. In freezing weather run engine
a minimum of 1 hour after adding water. (weekly)
64
5.
STARTER AND GENERATOR. Replace brushes if excessively worn or dirty.
65
Check commutator for pitting and wear. (Check every 500 hours)
LIGHTS AND REFLECTORS. Check operation of Iights. Inspect for
6.
loose connections and defective Iights.
Figure 8. Quarterly preventive maintenance services.
Change 4 21
