604 L4-2304cc 23L DSL XD-2 (1983) Timing Cover Replacement
Timing Cover: Technical Service Bulletins
Timing Cover Fanshaft - Revised
Bulletin No. 114
Date:
April, 1983
Subject:
REVISED DIESEL TIMING COVER FANSHAFT TORQUING PROCEDURE
This bulletin supercedes Bulletin No. 094
On all timing covers currently supplied by N.P.D. under P/N 0318.77 the fanshaft keyway has been eliminated and a hex head (10 mm. across flats) has
been added to the shaft.
When installing this new timing cover, use a new 22 mm across flat fan hub nut (P.N. 6934.21.) and torque it to 8 daN-m (58 ft.lbs.).
Torquing Procedure:
-
Tools required: ^ beam or reversible type torque wrench
^
10 mm, 6 point socket
^
22 mm, offset box wrench
-
Install timing cover on engine.
-
Install fan pulley and hub onto fanshaft.
-
Apply Loctite P/N 9730.66 or locally available equivalent onto fan hub nut.
-
Hand tighten fan hub nut (1) P/N 6934.21.
-
Using a 22 mm offset box wrench, hold fan hub nut (1) while torquing the fanshaft hex head (2) in a counterclockwise direction to 8 daN-m (58
ft.lbs.).
