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 83 of 192
*TM 9-2815-213-34
NOTE
Driving flange of seal case must seat
properly on edge of bore in pump body.
j
.
Support pump on pulley end of shaft.
Pr on impeller and maintain 0.010/0.020
inch
clearance between impeller vanes and pump body.
3-1 24.
Installation
Position water pump and new gasket to cylinder block
and secure with five cap screws and lock.
washers.
Section XXIII.
Repair of Fan Drive Pulley,
Vibration Damper,
and Water Pump Pulley Assembly
3-125.
Disassembly
Using a soft hammer or brass driver, remove vibration
damper from water pump drive pulley hub.
3-126.
Cleaning
Refer to paragraph 2-5 for cleaning procedure
3-127.
Inspection
Refer to paragraph 26 for inspection procedure
3-128.
Repair
Repair of the assembly is limited to the procedures of
paragraph 27.
3-129.
Assembly
Press vibration damper onto water pump pulley hub.
Insure that cap screw holes are aligned.
3-130.
Installation
a
. Loosen adjustable sheave on water pump and
set crankshaft-to-pump drive belt in pulley.
b
. Set water pump drive belt on drive pulley.
c.
Position pulley and damper assembly on crankshaft
flange.
d
.
Position three sheave fan drive pulley to vibration
damper and secure to crankshaft with seven cap screws
and lockwashers.
e
. Tighten water pump pulley adjustable sheave to
obtain required belt tension.
Section XXIV.
Repair of Thermostat Assembly
3-131.
Disassembly
(fig.
B-21).
a
.
Remove two cap screws (16) lockwasher and
flat washer (15) securing thermostat cover (14) to
housing (7).
b
.
Remove thermostat (12) and gasket (13)
c
.
Remove pipe plugs (10) and temperature transmitter
(11).
d
.
Loosen hose clamp and remove hose.
3-132.
Cleaning
Refer to paragraph 2-5 for cleaning procedure:
3-133.
Inspection
a
.
Perform general inspection in accordance with
paragraph 26.
b
.
Check thermostat as follows:
(1) Immerse thermostat and thermometer in
water.
NOTE
Season
thermostat
by
operating
thermostat for a period of 45 minutes at
200 degrees Fahrenheit.
(2)
Cool
water
to
the
initial
operating
temperature, 173 degrees
Fahrenheit
of the
thermostat.
(3)
Compare
thermostat
operation
with
temperature indicated on thermometer.
c
.
The high range thermostats installed on the V8-
300 engine start to open at 173 degrees Fahrenheit and
are fully open at 186 degrees Fahrenheit.
d
.
Discard thermostats not operating in correct
range.
Replace with same range thermostat.
e
. Inspect thermostat for physical damage.
If
damaged,
replace thermostat.
3-134.
Repair
Refer to paragraph 2-7 for general repair procedures.
3-135.
Assembly
Refer to paragraph 3-131 and reverse procedures.
3-136.
Installation
a
. Position thermostat housing with new gasket to
cylinder head and secure with four cap- screws and
lockwashers.
b
. Position hose on water pump and tighten hose
clamps.
3-54
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