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NV4500 MANUAL TRANSMISSION
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DISASSEMBLY AND ASSEMBLY (Continued)
COUNTERSHAFT
AMD REVERSE
IDLER
GEAR
INSTALLATION
(1) Install front bearing on countershaft
with
Installer Tool 6446 (Fig. 101).
Fig. 101 Countershaft Front Bearing instaiiation
(2) Lubricate countershaft front bearing cup and
cone with petroleum jelly.
(3) Position gear case on end with rear of case fac
ing up (Fig. 102).
(4) Install countershaft in gear case (Fig. 102). Do
not install rear bearing on countershaft rear at
t h i s t i m e .
BR
(5) Lubricate reverse idler gear bearings with
petroleum jelly and install first bearing, bearing
spacer and second bearing (Fig. 103).
(6) Install idler gear front thrust washer on boss
in gear case (Fig. 103). Coat thrust washer with lib
eral quantity of petroleum jelly to hold i t in place.
POSITION
IDLER
GEAR
Fig. 103 Positioning Idler Gear Front Thrust Washer
In Case
(7) Install reverse idler gear in case (Fig. 104).
(8) Install idler gear rear thrust washer between
idler gear and case boss (Fig. 104).
REAR
THRUST
Fig. 104 Idler Gear And Thrust Washer Installation
Fig. 102 Positioning Countershaft In Gear Case