TM 10-4320-344-24
3.8.22 Crankshaft Pulley and Vibration Damper Replacement. Models 609-C and US636HCCD-1.
This task covers:
3.8.22.1 Removal
3 .
8 .2 2 . 2 I n s t a l l a t i on
INITIAL SETUP
Tool S
General Mechanic's Automotive
Tool Kit, Appendix B, Section
III, Item 1
Torque Wrench, Appendix B, Section
I I I ,
Item 2
Angle-of-Turn Indicator, Appendix B,
Section III, Item 3
Retainer,
Appendix B, Section III,
Item 19
Material/Parts
Grease, Appendix C, Item 13
Oil, Appendix C, Item 15
Equipment Conditions (Continued)
Top Panel Assembly removed, paragraph
2.21.4 (609-C).
Right Side Panel Assembly removed,
paragraph 2.12.6 (609-C).
Bulkhead Panel Assembly removed,
paragraph 2.12.15 (609-C).
V-Belt Guard removed, paragraph 2.21.11
(US636HCCD-1).
Alternator Belts removed, paragraph
2.21.13.
General Safety Instructions
Rags, Appendix C, Item 20
Do not work on equipment that is not
securely stabilized to prevent rolling
Equipment Conditions
o r s l i d i n g.
Pumping station shut down, TM 10-4320-
Do not work on equipment without follow-
344-10.
ing standard shop safety practices.
3.8.22.1 Removal.
a.
Using retainer, (Figure 3-44,
1) hold crankshaft pulley (2) stationary.
Pulley mounting tilt is a left-hand threaded bolt.
To remove pulley mounting
bolt, turn bolt to the clockwise.
b.
Turn pulley mounting bolt (3) clockwise.
Remove pulley mounting bolt (3),
flat washer (4), and crankshaft pulley (2).
c .
Remove eight pulley mounting screws (5), flat washers (6), and pulley (2) from
damper (7).
3.8.22.2 Installation.
a.
b .
c .
d .
e .
f .
3-100
Position damper (7) on crankshaft pulley (2) and secure with eight flat
washers (6) and pulley mounting screws (5).
Measure gap between crankshaft pulley (2) and damper (7).
Gap must be 1 inch
(25.4 mm) or less.
Lightly coat damper shaft of crankshaft pulley (2) and front seal with grease.
Align index hole in damper shaft of crankshaft pulley (2) with index pin on
crankshaft gear.
Slide crankshaft pulley (2) and damper (7) into position.
Lightly coat pulley mounting bolt (3) threads with oil.
I n s t a l l b o l t ( 3 ) in
crankshaft pulley (2).
Using retainer (1), hold crankshaft pulley (2) stationary.
NOTE
