EPA07/10 DD PLATFORM WORKSHOP MANUAL - ENGINE
40.1 REMOVAL OF THE POLY-V-BELTS
Remove as follows:
NOTICE:
Use a half-inch socket tool (with extension) is used. Do not
use more than a 6 inch extension on the socket tool to reduce
the danger of cracking the tensioner. Apply smooth pressure to
tensioner. Jerking or sudden pressure could cause damage to
tensioner.
NOTE:
Never pre-tension the non-grooved pulley idler arm before the grooved idler pulley arm is
pre-tensioned.
NOTE:
Never turn the pulley idler arms clockwise.
NOTE:
When removing the poly-V-belts always remove the belt driving the fan first and then
remove the belt driving the alternator, refrigerant compressor and coolant pump.
NOTE:
Do not use any type of cleaning solvent to the rubber parts on the tensioner.
1. Install a half-inch extension tool into the square hole (2) on the grooved pulley idler
arm (1).
All information subject to change without notice.
DDC-SVC-MAN-0081 2010
Copyright © 2010 DETROIT DIESEL CORPORATION
40-3
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