a. Remove ball lock pins (11) used to secure cart
b. Disconnect aftercooler -to-separator connecting
handle (13) in position.
tube from elbow.
b. Remove retaining rings (14) and handlepins
c. Start gasoline engine and slowly introduce
(15). Slip cart handle (13) free of brackets welded to
approximately one ounce of lubricating oil (Specification
towbar.
MIL-L-6085A) into second stage cylinder through
strainer and relief valve body.
Start injecting oil
c. Remove ball lock pins (16) used to secure tow
immediately after starting engine. Allow discharge air
bar (18) in position.
from third stage cylinder to exhaust to atmosphere.
d. Remove retaining rings (19) and tow bar pins
d. Stop engine and reconnect first-to-second-stage
(20). Lift tow bar (18) free of brackets.
connecting tube and aftercooler-to -separator tube.
e. Remove cap screws (22), lock washers(24) and
4.14.10 COMPRESSOR FUNCTIONAL TESTS. Test a
nuts (23) attaching tow bar brackets (21) to cart frame.
repaired or overhauled air compressor for satisfactory
operation by performing the functional tests described in
4.16.2
INSTALLATION. Install the tow bar and
cart handle by performing the removal procedure in
4.15 GASOLINE ENGINE
reverse sequence.
4.15.1
REMOVAL.
To remove the complete
4.17 ACCESS DOORS AND HOUSING.
engine assembly for repair or overhaul:
a. Remove air compressor (refer to paragraph
4.17.1
REMOVAL. To remove the access doors
and housing (see Figure 5-16):
b. Disconnect shut-off-valve-to-engine connecting
a. Remove cart handle and tow bar (refer to
tube (1, Figure 5-4) from engine fuel pump.
c. (See Figure 5-11.) Remove cap screws (7), nuts
b. Remove bolts (33), nuts (34) and lock washers
(8) and lock washers (9) and lift complete engine
(35) and lift two center door assemblies (33) free of cart
assembly from cart frame.
frame. Do not remove or disassemble door assemblies
d. (See Figure 5-11.) Remove dipstick (10) and
unless replacement parts are required.
pipe plug (11), and drain oil from engine crankcase.
c. Do not remove front and rear door assemblies
Remove pipe extension (12), the (13), nipples (14) and
(28 and 30) or door retaining springs (25) unless
elbow (15) from crankcase of gasoline engine (20).
replacement parts are required.
e. (See Figure 5-11.) Remove cap screw (17), lock
d. Remove nuts (8), flat washers (9) and cushion
washer (18), spacer (19) and baffle plate (16) from
washers (10) and slip tie down rings (7) free of cart
gasoline engine (20).
frame and housing.
4.15.2
REPAIR AND OVERHAUL OF GASOLINE
e. Remove nuts (44 and 47), washers (45 and 46)
ENGINE AND ACCESSORIES. Refer to Part II of this
and screws (43) securing housing assemblies (40, 41
manual for repair and overhaul instructions on the
and 42) to cart frame. Lift housings straight up until free
engine.
of frame members.
4.18 WHEELS AND BRAKES
4.15.3
INSTALLATION. To re-install the gasoline
engine, perform the removal procedure (paragraph
4.18.1
wheels and brake mechanism in exploded view form
for installation of the air compressor.
and provides the basic information required for
removing and replacing component parts and
4.16 CART HANDLE AND TOW BAR
assemblies. Observe standard automotive procedures
4.16.1
REMOVAL. To remove the cart handle and
when repairing these portions of the ground control cart,
and make sure the original equipment configuration is
tow bar (see Figure 5 -16):
restored.
41
