TM 5-4310-275-14
b. Installation.
d. Compressor Run-In.
(1) Aline the air compressor with the engine
(1) Start the compressor assembly (para 2-
crankshaft and carefully mate the units (fig. 5-2).
3 b.).
(2) Engage the draw bolt into the engine
(2) Open the reservoir by-pass valve (fig. 2-
crankshaft but do not tighten.
1).
(3) Install four capscrews and lockwashers
(3) Operate the compressor against the
through the air compressor mounting flange but
pressure relief valve pressure for an accumulated
do not tighten.
operating time of 12 hours minimum.
(4) Insert two spacers between the engine
NOTE
and air compressor mounting flanges. Tighten the
All operating time accumulated during other tests
four capscrews to secure the spacers.
shall be included for the total run-in time, except
(5) Tighten the draw bolt to a torque of 125
that two hours must be accumulated with the
to 150 inch-pounds (1.4694 to 1.7288 kgm)
compressor installed.
torque.
5-12. Engine Assembly Removal and Installation
(6) Loosen the four cap screws and remove
a. Removal.
the two spacers. Tighten the capscrews with
(1) Remove the housing sections (fig. 4-11).
equal torque,
(2) Remove the air compressor.
(7) Install the housing sections.
(3) Shut off fuel flow at the fuel shutoff
c. Testing the Air Compressor.
valve (fig. 2-1).
(1) Start the compressor assembly.
(4) Refer to Figure 5-3, and remove the
(2) Apply a soap solution to all compressor
engine.
seams and connections, and inspect for leakage.
NO leakage allowed at the operating range of 0 to
3000 psi (210.9000 kg per sq cm).
