TM-9-2815-213-34

ENGINE, DIESEL, WITH ACCESSORIES CUMMINS MODEL V8-300 (2815-910-8217)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING DIRECT SUPPORT AND GENERAL SUPPORT REPAIR PARTS LIST AND DEPOT MAINTENANCE ALLOWANCES)

FEBRUARY 1972

  TM-9-2815-213-34 - Page 65 of 192

*TM 9-2815-213-34
Section XVIII.
Repair of Air Compressor and Drive Assembly
3-96.
Disassembly
a.
Remove drive gear and woodruff from shaft
b.
If inspection indicates need, remove sleeve
bushing from air compressor rear support.
3-97.
Cleaning
Clean air compressor and drive assembly in accor-
dance with paragraph 2-5.
3-98.
Inspection
a.
Inspect oil flow passage in air compressor rear
support to insure unrestricted passage.
b.
Inspect air compressor rear support sleeve
bushing for wear, restricted oil groove, and alinement
of oil ports in support.
Replace bushing if excessive
wear is evident.
c.
Inspect drive gear against specified limits in
repair and rebuild standards paragraph 3-136.
Replace gear if outside limits specified.
d Inspect air compressor in accordance with
paragraph 2-6.
3-99.
Repair
Repair of air compressor and drive assembly is
limited to replacement of spared parts or units
3-100.
Assembly
a.
Install drive gear on drive shaft.
b.
Press sleeve bushing into air compress rear
support.
CAUTION
Be sure that oil ports in sleeve bushing are alined with
corresponding oil ports in rear
support.
3-101.
Installation
a.
Slide air compressor and drive assembly with new gasket,
into engagement of drive gear with camshaft gear.
CAUTION
Be sure that "O" index mark on drive gear tooth (fig.
3-72) is alined between the two punched-marked
teeth on camshaft gear.
b.
Secure assembly snug tight only with three capscrews as
shown in figure 8-78.
c.
Attach a dial indicator to flywheel housing as shown in
figure 3-70.
d.
Advance drive gear as far as possible and set dial
indicator to zero.
e.
Retard drive gear and note indicator reading.
NOTE
Indicator reading should be within 0.006-0.009
inch.
If reading is outside these limits, gear train
must be replaced.
f.
Remove capscrews and lockwashers (step b.).
g.
Install rear support on drive shaft and position to housing
securing support with five capscrews and lockwashers.
Section XIX.
Repair of Fuel Pump and fuel Lines
3-102.
Disassembly
NOTE
Perform the requirements of paragraph
3-104 a through d before disassembling the
pump.
If the pump operation is in ac-
cordance with the specified requirement of
these paragraphs, proceed to paragraph 3-
107
(fuel
pump
test
and
calibration
Disassembly of the pump will not be
necessary.
a.
Disassembly Into Sub-assemblies
.
Mount
fuel
pump (fig.
3-73) to fuel pump mounting plate and
ball joint vise (1 and 2, fig.
28) as shown in figure
3-74.
(1)
Fuel shut-off solenoid valve assembly
B-17).
(a) Remove two capscrews, lockwashers, and
flat washers (3, 4, and 5) securing valve to pump.
(b) Remove valve (1).
Discard O-Ring (17).
(c) Remove four screws and lockwashers (14
and 15) securing coil assembly (13) to pump housing
(6).
(d) Remove shield (12), O-Rings (8 and 11), spr-
ing (10), and valve (9).
(e) Remove knob (18) on manual override shaft
(7) and remove shaft.
(f) Remove outlet connection (2) and pipe plug
(16).
(2)
Fuel pump damper assembly
(fig.
B-16).
(a) Remove two capscrews, lockwashers, and
flat washer (23, 24, and 25) securing damper assembly
to pump gear assembly.
3-36


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