a.
Removal (fig. 9).
intercooler with the edges of the brackets (1 and 9, fig.
(1) Remove the fan guard section (par. 25a).
9). Secure the first stage intercooler (5) by applying a
(2) Loosen the end nuts attaching the first stage
torque of 3 to 5 pound-feet to the intercooler nuts.
intercooler (5), the second stage intercooler (7) and the
(5) Position the aftercooler (6) to the elbow (13, fig.
after-cooler (6) to the basic compressor.
(3) Remove the two locknuts (12) and two washers
matching the fins on the aftercooler with the edges of the
(14); remove the large clamp (2).
brackets (1 and 9, fig. 9). Secure the aftercooler (6) by
(4) Remove the locknut (13) and washer (11) and
applying a torque of 3 to 5 pound-feet to the aftercooler
remove the short clamp (8). The second stage
nuts.
intercooler (7), the after-cooler (6), and the first stage
(6) Position the second stage intercooler(7)to the
intercooler (5) can then be removed from the
elbow (3, fig. 12) and to the second stage relief valve
compressor.
(17, fig. 11) matching the fins on the inter-cooler with the
(5) Remove the screw (4) and washer (3) and
edges of the brackets (1 and 9, fig. 9). Secure the
remove the fan bracket (1).
second stage intercooler by applying a torque of 3 to 5
(6) Remove the fiat screw (10) and remove the
pound-feet to the intercooler nuts.
short bracket (9).
b. Cleaning and Inspection.
(7) Position the large clamp (2) on the fan bracket
(1) placing the clamp between the fins on the cooling
(1) Clean all metallic parts in ultrasonic cleaner.
coils. Secure the clamp to the fan bracket using the
(2) Inspect components for scratches, nicks,
washer (14) and nut (13). Apply a torque of 4 to 5 pound-
distortion and other damage.
feet to the nut.
(3) Inspect the cooling coils for bent fins.
(8) Position the short clamp (8) on the short
(4) Replace all damaged components.
c. Installation.
bracket (9) placing the clamp between the fins on the
cooling coils. Secure the clamp to the bracket using the
(1) Position and loosely secure the short bracket
washer (11) and nut (12).
Apply a torque of 4 to 5
(9, fig. 9) to the compressor using the screw (10).
pound-feet to the nut.
(2) Position and loosely secure the fan bracket (1)
(9) Mount the fan guard (4, fig. 8) to the fan guard
to tile compressor using the washer (3) and screw (4).
(3) Assemble the fan guard (4, fig. 8) to the fan
(5, fig.
8) to check the orientation of the brackets.
Remove the fan guard, washers, and the screws. With
8), washers (6) in order to properly orient the brackets.
the fan guard brackets properly oriented and the screws
Tighten the screws (4 and 10, fig. 9) securely; remove
(4 and 10, fig. 9) firmly secured lockwire the screws.
the fan guard, screws and washers.
Mount the fan guard on the brackets with the washers
(4) Position the first stage intercooler (5, fig. 9) to
and screws.
the elbow (8, fig. 13), which is attached to the 1st stage
discharge port of the compressor, and to the elbow (4,
fig. 12), which is attached to the second stage inlet port
of the compressor, matching the fins on the Section V.
Section V. COMPRESSOR GROUP
section, second stage section, first stage section,
28. Description
keystone-crankshaft section, and crankcase section.
The compressor group consists of five different sections.
These sections are the third stage
17
