Idler Gears - Navistar INTERNATIONAL DT 466 Service Manual

174

Idler Gears

NOTE: Before removing any gears from the gear
train, check the backlash between each gear and the
camshaft end play. See the inspection procedures
(Inspection, page177 ) in this section.
Figure 235 Gear train locations
1. Camshaft gear
2. Upper idler gear
3. Lower idler gear
4. Crankshaft gear
Figure 236 Removing the lower idler gear
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FRONT COVER AND RELATED COMPONENTS
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Figure 237 Lower Idler Gear Socket
1. Remove M20 x 70 lower idler gear mounting bolt
using Lower Idler Gear Socket (Table 21) and a
3/4 inch drive breaker bar.
2. Remove lower idler gear.
EGES-265-2