a. With the pumps operating, open the condensate
reached, lift the air chuck off. The air
shuts off automatically.
bleeder valve (3, fig. 10) on each pump, by turning the
valve lever in a counterclockwise direction. Exhausting
(4) After air service operations have been
air will carry accumulated moisture with it.
performed, rewind the air reel hose,
disconnect the air pressure gage and air
chuck from the air line coupler.
pulling the clutch lever (8, fig. 6) back (toward the
engine).
(5) Lock the air reel by pulling downward on
the reel lock handle and replace the air
c. Stop the engine.
d. Close the master air control valve (2, fig. 8) and
gage (19) in the lower accessory drawer
open the air line pressure relief cock (11) to release the
air pressure in the hoses to the pumps and the air reel.
Warning
e. Open the air tank drain valve (6) and the air
When inflating tires, remain to one
tank draincock (18, fig. 11) to drain moisture and air
side of the tire rather than directly in
pressure from the compressor air receiver (10, fig. 8).
front of it. Serious injury may result
if the tire blows out, or if the rim is
56. Movement to New Work Site
forced off.
transportation or movement to a new work site.
55. Shutdown Procedure
Section V. OPERATION OF MATERIEL USED IN CONJUNCTION WITH LUBRICATING AND SERVICING UNIT
57. Handguns
(3) Insert the open end of the container in the
lubricant to insure against any air being
a. General. A set of handguns, adapters, and
sucked into the lubricant. Pull back on
the follower rod, and fill the container
drawers (8 and 9, fig. 11) below the hose reels. These
slowly.
handguns are used to dispense small quantities of
grease, lubricants other than general purpose grease,
(4) Replace the container to the head
and emptying and filling transmissions.
assembly, and release the follower rod
from the latch.
b. Hand Lever Gun. The high-pressure hand lever
gun (2, fig. 15) is used for lubricants required in small
c. Utility Gun. Use the utility gun (4, fig. 15) for
quantities, or for dispensing special lubricants. When
emptying or filling transmissions, differentials, or any
operating the hand lever gun, best results are obtained
part of a motor vehicle that requires emptying, other
by taking full strokes with the lever handle. If a heavy
than by drawing through a bottom outlet. Fill the utility
lubricant is used, it may be necessary to prime the lever
gun by inserting the flexible nozzle (5) into the oil or
gun occasionally.
fluid. Pull out the handle as far as it will go. When used
provide contact for all types of fittings. To fill the lever
for filling purposes, the utility gun is operated by
gun, proceed as follows.
inserting the flexible hose into the oilhole. Push the
handle forward until a sufficient quantity of oil has been
delivered. When used for draining purposes, the utility
(1) Remove the container from the head
gun is operated by inserting the nozzle into the drain
assembly by turning the containers
hole of the housing. Pull out the utility gun handle as far
counterclockwise.
as it will go, and a gun full of fluid will be removed. To
(2) Withdraw the follower rod from the
empty, remove the nozzle from the drain hole and push
container until the cross pin in the rod
in the handle as far as it will go.
contacts the latch of the follower plate.
d. Hand Oil Gun. Operate the hand oil gun (20,
Engage the rod to the follower, and push
fig. 14) by squeezing the trigger. Use it for applying
the rod and follower back into the
small quantities of oil to friction points.
container.
29