TM 5-4310-335-14
CHAPTER 7
REPAIR OF COMPRESSOR/COOLER ASSEMBLY AND FRAME
Section I. COMPRESSOR/COOLER ASSEMBLY
7-1 Compressor/Cooler Assembly
a. General. The compressor is attached to the gasoline engine. The compressor assembly consists of the
compressor, fan, relief valves, fittings, clamps, intercoolers, aftercooler tube and tubes required to produce and cool the
compressed air delivered by the air compressor.
b. Disassembly.
(1) Intercoolers, Fan and Lubrication Lines.
(a) Remove machine screws (1, fig. 7-1), flatwashers (2), fan guard (3), castellated nut (4), flatwasher
(5) and cooling fan (6). Use a standard gear puller to remove fan.
(b) Remove fillister head machine screw (7), lockwasher (8), flatwasher (9), hexagon locknuts (10),
flatwashers (11), long clamps (12) and long brackets (13).
(c) Remove machine screw (14), hexagon locknut (15), flatwasher (16), short clamp (17) and short
bracket (18).
(d) Remove first stage intercooler (19), tube elbow (20) and first stage relief valve assembly (21).
(e) Remove third stage intercooler (22), tube elbow (23) and third stage relief valve assembly (24)
(f) Remove tube elbow (25) and fitting assembly (26).
(g) Remove oil supply tube (27), connector (28), tube fitting (29), oil strainer (30) and preformed packing
(31).
(h) Remove second stage intercooler (32, fig. 7-1), tube elbow (33) and second stage relief valve
assembly (34).
(2) Oil Lines and Mounting Hardware.
(a) Remove machine screw (1, fig. 7-2), flatwasher (2), cushion clamps (3 and 4), flatwasher (5) and
hexagon locknut (6).
(b) Remove oil pressure tube (7), connector (8), fitting (9) and locknut (10).
(c) Remove machine screw (11), flatwasher (12), clamps (13 and 14), flatwashers (15), and hexagon
locknut (16).
(d) Remove machine screw (17), flatwasher (18), cushion clamps (19 and 20), flatwasher (21), and
hexagon locknut (22).
(e) Remove oil supply tube (23), connectors (24) and (25) and locknut (26).
(3) First Stage Relief Valve Assembly.
(a) Remove seal (1, fig. 7-3).
(b) Remove plug (2), spring (3) and check assembly (4) leaving first stage relief valve body (5).
(4) Second Stage Relief Valve Assembly.
(a) Remove seal (1, fig. 7-4).
(b) Remove plug (2), spring (3), check (4) and valve (5) leaving second stage relief valve body (6).
(5) Third Stage Relief Valve Assembly.
(a) Remove seal (1, fig. 7-5).
(b) Remove plug (2), spring (3), check (4), retainer (5), preformed packing (6) and seat (7) leaving third
stage relief valve body (8).
(6) Aftercooler, Relief Valve Lines and Mounting Hardware.
(a) Remove screw (1, fig. 7-6), washer (2) and bracket (3).
(b) Remove hexagon locknut. (4), flatwasher (5), cushion clamp (6), fillister head machine screw (7)
and flatwasher (8).
(c) Remove hexagon locknut (9), flatwasher (10), cushion clamps (11), fillister headmachine screw (12)
and flatwasher (13).
(d) Remove hexagon locknut (14), flatwasher (15), cushion clamp (16), screw (17) and flatwasher (18).
(e) Remove union (19), aftercooler tube (20) and aftercooler (21).
(f) Remove hexagon locknut (22), flatwasher (23), cushioned clamp (24), fillister headmachine screw
(25), flatwasher (26) and relief valve tube (27).
(7) Fourth Stage Relief Valve Assembly.
7-1
