Reverse Idler Gear

The idler gear can be installed before installing the countergear in a new style case, but the countergear must be installed before the idler gear in an early style case.

New Style Gear Case

Fig. 25 Installing idler shaft in case:

1. Install reverse idler shaft part way into case.

Fig. 26 Idler gear components:

2. Install bearings and spacer in reverse idler gear ensure spacer is installed between bearings.

Fig. 11 Reverse idle gear removal & installation. New style gear case:

3. Position thrust washer at each end of idler gear and install gear assembly into case. Ensure slots in thrust washers face outward as idler gear roll pins fit in these slots.
4. Align idler shaft pin holes and push idler shaft into place in gear and washers.
5. Partially install idler shaft pins, insert pins far enough to hold thrust washers in place.
6. Check idler gear thrust washer clearance as follows:

Fig. 27 Checking idler gear thrust washer clearance:

a. Check clearance between each thrust washer and idler gear with feeler gauge.
b. Clearance should be between 0.002-0.010 inch. If clearance is not as specified, remove idler gear and replace thrust washers. Use new pins when installing gears and washers.
7. Install idler shaft bolt, torque bolt to 40 ft. lbs.
8. Tap idler shaft pins into place.

Early Style Gear Case

1. Install countergear an shaft into case, refer to "Countergear And Shaft" found is this section.
2. Install idler shaft part way into case from front, then assembly and install reverse idler gear and thrust washers.
3. Install rear pin in idler gear and shaft, then install front pin.
4. Check idler gear thrust washer clearance as follows:
a. Check clearance between each thrust washer and idler gear with feeler gauge.
b. Clearance should be between 0.002-0.010 inch. If clearance is not as specified, remove idler gear and replace thrust washers. Use new pins when installing gears and washers.