TM 3-1040-263--34
to oil pump assembly and secure with screws (11) and
If applicable, remove shipping cap from oil
o.
washers (10). Fingertighten screws.
pump inlet elbow.
p. Connect oil supply tube (3) to the oil strainer
j.
Assemble fan guard bracket (9) to the oil
pump assembly (13) and secure with screw (8) and
(6, fig. 4-5) and oil pump assembly elbow. If necessary,
washer (7). Fingertighten screw.
aline elbow to correct angle for the engagement of the oil
k. Aline mounting hole on fan guard bracket
supply tube end nut. Torque oil supply tube end nuts
(9) with threaded hole in oil sump. Secure with screw
(6), lockwasher (5), and washer (4). Fingertighten
q. Replace cap (2, fig. 4-4) on oil pump
screw.
assembly elbow.
l.
Using the fan guard (3, fig. 4-3) as a guide,
r.
Replace fan group (para 4-7).
s. Replace plug (3, fig. P5).
aline mounting holes of angle brackets (12, fig. 4-4) with
t.
Fill oil sump with oil (TM 3-1040-263-12).
mounting holes of the fan guard.
m. With fan guard (3, fig. 4-3) holding each
u. Replace protecting cage (para 3-7).
v. Replace canvas group (TM 3-1040-263-12).
angle bracket in position, torque screws (8 and 11, fig.
4-4) (para 1-4b) through fan guard using a criss-cross
pattern. Remove fan guard.
n
.Secure screws (8 and 11) in position with
lockwire (1).
Section VI. OIL SUMP
4-22.
General
d. Discard and replace preformed packings (2,
General support maintenance personnel are authorized
4, and 7) and quad ring (19).
to replace the preformed packings, dipstick, plug, oil
strainer, oil sump, and attaching hardware.
4-24.
Cleaning and Inspection
4-23.
Removal
a.
Clean
metal
parts
using
drycleaning
solvent.
a.
Remove canvas group (TM 3-1040-263-
b. Inspect parts for deformation, defective
12).
threads, and other damage.
b.
Remove plug (3, fig.
4-5), and drain oil
sump.
4-25.
Installation
c. Using figure 4-5 as a guide, disassemble
the defective components (1 through 19) from the
Installation is the reverse of removal (para P23).
compressor.
Section VII. COMPRESSOR STAGES
WARNING
NOTE
Before
performing
maintenance,
Remove all lockwires prior to removal and
disconnect the spark plug wire from the
disassembly, and install lockwires after
spark plug to prevent accidental starting.
assembly and installation.
4-26.
General
4-27.
First Stage
General support maintenance personnel are authorized
a.
Preliminary.
to replace and repair the compressor stages. They are
also authorized to perform compressor run-in testing.
(1)Remove canvas group(TM 3-1040-
263-12).
(2) Remove protecting cage (para 3-
7).
4-10