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TM 10-4320-343-14
5.5.10 Crankshaft Pulley and Seal Maintenance.
This task covers: 5.5.10.1 Removal
5 .
5 .1 0 . 2 I n s t a l l a t i on
INITIAL SETUP
Tools
General Mechanic’s Tool Kit (appendix B,
Section III, Item 1)
36 mm Socket (appendix B, Section III,
Item 3)
Torque Wrench 0-175 ft lbs (appendix B,
Section III, Item 3)
Angle Turn Indicator Tool (appendix B,
Section III, Item 11)
Seal Removing Tool (appendix B,
Section III, Item 12)
Crankshaft seal installer (appendix B,
Section III, Item 13)
Position pointer (appendix B,
S e c t i o n I I I,
Item 5)
Timing mark and bolt Scale (appendix B,
Section III, Item 10)
Materials/Parts
Seal (TM 10-4320-343-24P)
Grease (appendix E, Section II, item 5)
Equipment Conditions
Equipment shut down, refer to
paragraph 2.5.1.2 or 2.5.2.2.
V-belt guard removed, paragraph 4.10.6.
General Safety Instructions
To prevent rolling or sliding, do not
work on equipment that is not securely
s t a b i l i z e d.
Do not work on equipment without
following standard shop safety
precautions.
5.5.10.1 Removal.
WARNING
To prevent rolling or sliding, do not work on equipment that is not
s e c u r e l y s t a b i l i z e d.
Ensure both wheels are secure.
Failure to obey this
warning may result in serious personal injury.
Bolt securing pulley to crankshaft has left hand threads.
a.
Using 36 mm socket turn bolt (figure 5-10, 1) clockwise while restraining
pulley and remove bolt (1), washer (2), and pulley (3).
b.
I n s t a l l b o l t ( 1 ).
c .
Using seal removing tool, remove crankshaft seal (4) and discard.
d.
Remove bolt (1).
5.5.10.2 Installation.
a.
Lightly lubricate new seal with grease.
b.
Position crankshaft seal (4) to engine (lip inward). Press on crankshaft seal
using front crankshaft seal installer.
Check crankshaft for uneven seal contact.
If seal contact with crankshaft
is uneven, carefully reposition seal.
c .
Align locating hole in crankshaft pulley with locating pin in crankshaft
gearwheel and slide pulley (3) into position.
d.
Install washer (2) and bolt (1).
5-28
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