(d) If the filter is damaged or soaked
3-13. Fuel Tank
with oil or gummy deposits, replace it with a
Fill fuel tank prior to operating the unit. Use
new one.
gasoline, automotive combat type I or II.
(e) Install the air filter in reverse
Note. Do not fill fuel tank during operation of
order of disassembly.
lubrication unit.
3-14. Generator Drive Belt Adjustment
bottom of the air reservoir to drain moisture.
Refer to figure 1-2 for location of air reser-
Belts should only be adjusted tight enough to
voir.
prevent slippage. Loosen the generator adjust-
ing link (37, fig. 3-7) and pull the generator
in a direction which tightens the drive belt,
bearings in accordance with LO 6-4930-217-
hold the generator in place and tighten bolt
12.
(40A).
3-17. Tires
3-15. Batteries
Maintain proper tire pressure which is 5
Perform the following in testing and servicing
pounds normal and 40 pounds on sandy or
the batteries.
rough terrain.
a. Check the battery for proper electrolyte
level ( in. below the filler holes), Fill as re-
3-18. Landing Gear leveling Jacks
quired.
Lubricate fitting (8, fig. 3-20). Tighten all
Warning: Clean up any spilled electrolyte
nuts, bolts and support parts to insure a secure
with water. Keep electrolyte off the akin to
prop for the trailer.
prevent personal injury.
3-19. Pumps
b. Maintain clean batteries and cable con-
nections to prevent corrosion.
a. Clean exterior of pumps with approved
cleaning solvent.
c. Make sure all cables are properly installed
--
and are tight.
b. Check all fittings and lines for loose
connections.
3-16. Trailer Brakes
c. Tighten all loose connections.
a. Master Cylinder Assembly. Refer to LO
5-4930-217-12 and service as required.
b. Air Fitter.
a. Lamp Incandescent, Trouble Light. Re-
(l)' Draining Air filter.
move the lamp (11A, fig. 3-6) by pushing in
and turning counterclockwise until the lamp
from the housing nut (6).
releases from its socket (approximately
turn). Replace the lamp in reverse of removal.
from the filter (2). Wipe housing nut clean.
b. Lamps Incandescent Control Panel.
(c) Install the end plug in the housing
(1) Removal. Pull off the two lamp covers
nut.
and remove the two lamps (101A, fig. 3-8) by
(2) Removal and installation of air filter
pushing in on the lamp and turning it counter-
element.
clockwise approximately turn or until the
lamp releases from its socket.
(2) Installation. Replace the lamps in
(b) With the housing nut removed, the
reverse of removal.
fiber washer (5), spring (4), air filter washer
(3) and filter (2) will slide from the housing
3-21. Trailer Lamps
(1).
(c) Clean all parts, including the
Remove and install the trailer lamps as shown
housing, with cleaning solvent.
in figure 3-9.
