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Information Bulletin 041503 Continued from previous Page
Install the new retaining washer (PN 02979829) so that it fits flat against the pulley. The
original factory washer will not be used. (See Figure 4) Use the original Factory Pulley retaining
Bolt (See Figure 1).
Engine Side of
Pulley
Figure 3
Install the original factory retaining bolt and torque to John Deere Specifications 500 N-m (369 ft. lbs).
Check John Deere Service instructions for to asure proper Torque of Crankshaft Pulley Retaining
Bolt has not changed. (See Figure 1 for original Bolt) . Pulley retaing bolt must be dipped in clean
SAE30 oil before installing bolt.
Install Pulley Adapter. The new Pulley adapter Part # 02979790 to be used with Replacement Pulley
Part # 02979857 is a round plate with 4 threaded holes and four non-threaded holes in it. Notice this
pulley adapter will not have a center hole in it. The Pulley retaining bolt must be tightened before this
adapter is installed because you will not be able to get to the Pulley retaining Bolt after it is installed. The
Non-threaded holes are used to mount the Adapter to the Pulley using bolts # 02979791 (10mm 1.5 P
X 35mm Gr.10.9) & Lockwasher # 00755954 (10 mm).
(LOCKTITE is a registered trademark of Locktite Corp.)
TECHNICAL INFORMATION BULLETIN
This document does not authorize the repair or replacement of parts under warranty
MACHETE
© 2005 Alamo Group Inc.
Driveshaft
Side of Pulley
Replacement
Pulley Part
#02979857
No. 041503
Contact:
Alamo Industrial
Technical Services Department
1502 East Walnut
Seguin, Texas 78155
Ph; 830-372-2708 Fax; 830-372-9603
1-47
Figure 4
Replacement
Washer Part
#02979829
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