SECTION IV
REPAIR, OVERHAUL, ADJUSTMENT, AND TEST
4.1 GENERAL
the air hose and disassemble the hose reel (See Figure
4.1.1 This Section contains instructions for repairing
and/or overhauling all component assemblies of the
a. Unhook air hose retainer (9) and uncoil air hose
compressor package assembly except the gasoline
and chuck assembly (items 1 through 8) from hose reel.
engine. For repair and overhaul instructions covering
b. If disassembly of air hose and chuck assembly
the engine, refer to Part II of this manual .
is required, unscrew chuck assembly (1), hose assembly
(2), pressure servicing valve (3), reducer fitting (4),
4.1.2 The basic information required for disassembling
socket (8), bushing (7) and nipple (6) from ends of hose
and reassembling the compressor package assembly
assembly (5).
and the pneumatic section components is provided by
the exploded views in Section V of this manual. The
c. Remove screws (11) and nuts (12) and separate
items illustrated in each exploded view are numbered
front hose rack (10) from rear hose rack (23).
consecutively in a logical sequence of disassembly
d. Remove screws (14 and 16), nuts (15 and 17),
except that attaching parts follow, rather than precede,
and reel bracket (13).
the part or assembly attached. Refer to the following
detailed instructions for steps of removal, disassembly
e. Remove screws (19 and 21), nuts (20 and 22),
and reassembly not obvious from the illustrations or
and hose reel brace (18).
which require special procedures.
f. Remove screws (24) and nuts (25) and lift rear
The parenthetical references appearing in the text are
hose rack from cart frame.
the index numbers of the items as shown in the
applicable illustrations. Thus, the reference (5-1, 3)
4.4.2 INSPECTION. Perform a thorough general
refers to Figure 5-1, item 3: pressure servicing valve.
inspection of all parts. Check particularly for cracked or
4.1.3 When overhauling component assemblies of the
chipped castings, damaged threads, and air hoses that
compressor package assembly, use care to keep all
are worn, cracked, frayed or show other signs of
parts free of dirt, grease, abrasives, and similar foreign
deterioration. Carefully examine the chuck assembly
material. Work benches and tools should be clean.
and pressure servicing valve, making sure both are in
Protect removed parts by storing in clean, covered
serviceable condition.
containers until required for cleaning, inspection and
reassembly. Do not intermix the parts removed from
4.4.3
REASSEMBLY AND INSTALLATION.
To
two or more similar assemblies; parts that are reusable
reassemble and install the air hose and reel assembly,
should be replaced on the same assemblies from which
perform the removal procedure in reverse sequence.
they originally were removed.
4.5 INSTRUMENT PANEL ASSEMBLY
4.2 SPECIAL TOOLS AND TEST EQUIPMENT
4.2.1 No special tools or test equipment are required for
4.5.1 REMOVAL To remove the complete instrument
the repair, overhaul, adjustment, and testing of the
panel assembly:
compressor package assembly and its component
a. Disconnect receiver-to-regulator connecting
assemblies.
tube (5-3, 66) from tee (5-2, 20) installed in low pressure
regulating valve (5-2, 41).
4.3 PAINTED SURFACES
b. Disconnect tee-to-push-valve connecting tube
4.3.1 The complete compressor package assembly is
(5-3, 6) from adapter (5-2, 27) installed in push valve (5-
painted an olive drab color (Number X-24087, Federal
2, 29).
Standard 595). When repainting any scratched, chipped
or damaged surfaces, first remove all flaked, blistered
c. Disconnect lead wires from pins of electrical
and oxidized paint from the area, and feather the edges
receptacle (5-2, 31) installed on instrument panel.
by rubbing with fine sandpaper. Clean the surface,
d. Remove attaching screws(5-2, land 2)and nuts
apply a prime coat, and spray the area with enamel in
(5-2, 3) and slip complete instrument panel assembly
accordance with approved procedure.
free of cart frame.
4.4 AIR HOSE AND REEL
4.4.1 REMOVAL AND DISASSEMBLY. To remove
4.5.2 DISASSEMBLY. Removal of the connecting
tubes, fittings, controls and gages mounted on the
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