TM 10-4320-226-14
5.5.10 Crankshaft Pulley and Seal Maintenance.
This task covers: 5.5.10.1 Removal
5.5.10.2 Installation
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)
Materials/Parts
Seal (TM 10-4320-226-24P)
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
stabilized.
DO not work on equipment without
following standard shop safety
precautions.
5.5.10.1 Removal.
To prevent rolling or
securely stabilized.
warning may result in
sliding, do not work on equipment that is not
Ensure both wheels are secure.
Failure to obey this
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
b.
Install bolt (1).
c.
Using seal removing tool, remove crankshaft
d.
Remove bolt (1).
5.5.10.2 Installation.
a.
Lightly lubricate new seal with grease.
b.
Position crankshaft seal (4) to engine (lip
using front crankshaft seal installer.
pulley (3).
seal (4) and discard.
inward).
Press on crankshaft seal
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).
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