PAR REF
ITEM
TIRES AND WHEELS. Inflate tires to 40 psi. Remove imbedded foreign matter.
10
Check for worn, cut, or broken tires. Replace missing valve caps. (Weekly)
Reference TM9-8030.
Inspect for broken seal.
FIRE EXTINGUISHER.
11
BATTERIES. Tighten loose cables and mountings. Remove corrosion. Inspect
12
for cracks and leaks. Fill to 3/8 inch above the plates. Clean venthole in
filler cap before installing. In freezing weather run engine a minimum of 1
hour after adding water. (Weekly)
TRANSMISSION, TRANSFER CASE, AND DIFFERENTIALS. Add oil as indicated by
13
filler plugs. Reference current L09-8030. Clean dirty vents. Check for
leaks. (Weekly)
Clean a dirty filter pad. (Weekly)
14
COMPRESSOR FILTER PAD,
Add fuel as required.
15
FUEL TANK.
GROUND TERMINAL. Check for proper ground. A proper ground will consist of
16
a 3/4-inch-dia. hollow rod or 5/8-inch-dia. solid rod, 9 feet long. The
cable will be No. 6 AWG copper wire bolted or clamped to the rod and
attached to the ground terminal of the generator-welder set.
Check for worn, frayed, or cracked belt. (Weekly)
17
WELDER BELTS.
POWER TAKEOFF. Lubricate in accordance with current L.O. Check for worn or
18
damaged power takeoff assembly. (Weekly)
Lubricate in accordance with current
19
PROPELLER SHAFTS AND U-JOINTS.
LO 9-8030. (Weekly)
14
WELDER CONTROLS AND INSTRUMENTS. Inspect for damage and loose mounting.
20
With unit operating, check for proper operation. Normal operating readings
for instruments are as follows:
Welding current not to exceed 200 amperes
Dc ammeter
a. As starting current or as battery
Dc voltmeter
charger, 6,12, 24,or 32 volts.
b. Open circuit voltage - 80 volts maximum
c. Welding voltage - 40 volts maximum.
50 or 60 cycle
Frequency meter
a. 240 volts maximum phase voltage on top
Ac voltmeter
scale.
b. 120 volts maximum on lower scale.
Slight charge
Battery ammeter
TRUCK CONTROLS AND INSTRUMENTS+ Inspect for damage and loose mounting.
21
With unit operating, check for proper operation. Normal operating readings
for instruments are as follows:
USC 4940-200-12/20
Figure 20-Continued.
46
TAG0 5672-A
