Workshop Manual

5.3 CHECKING AND ADJUSTING GEAR LASH WITH CAMSHAFT HOUSING REMOVED
5.3 CHECKING AND ADJUSTING GEAR LASH WITH CAMSHAFT HOUSING
REMOVED
This is performed with camshaft housing removed. Check and adjust as follows:
1. Remove the camshaft housing if not already removed. Refer to section 3.1.
2. Install a magnetic base-dial indicator gauge on engine block.
3. Set the dial indicator on the idler gear number ve gear tooth.
4. Turn idler gear number ve counterclockwise (viewed from front of engine) until “0” lash
is present, then zero the gauge on the dial indicator.
5. Check the gear lash by turning the idler gear number ve stop-to-stop, verify that the lash
reading on the dial indicator is 0.043 - 0.165 mm (0.0016 - 0.0065 in.).
6. If gear lash is incorrect, continue with the following steps to adjust.
7. Remove access cover to the idler gear number three bolts.
8. Loosen the two number three idler gear bolts and then snug by hand.
All information subject to change without notice.
5-16 DDC-SVC-MAN-0081 201 0 Copyrig ht © 2010 DETROIT DIESEL CORPORATION