B R
NP231 HD/NP241/NP241 HD TRANSFER CASE
21 - 297
(4) Install input bearing in case. Seat bearing with
Handle C-4171 and Installer Tool 7828 (Fig. 65).
Fig. 65 input Bearing installation
(5) Install new sector shaft O-ring and O-ring re
tainer in sector shaft bore (Fig. 66). Lubricate O-ring
with transmission fluid or petroleum jelly after in
stallation.
Fig. 66 Sector Shaft O-Ring And Retainer
Installation
(6) Install new oil seals in input bearing retainer
and oil pump with Handle C-4171 and Installer
C-4210, or 7828 (Fig. 67).
(7) Lubricate sector shaft with transmission fluid
and install shift sector in case (Fig. 68). Position slot
in sector so it will be aligned with shift fork pin
when shift forks are installed.
(8) Install shift lever on sector shaft (Fig. 69).
RETAINER
J9421-327
Fig. 67 Retainer And Pump Oil Seal Installation
J9421-328
Fig. 68 Shift Sector
Installation
(9) Install washer and nut on sector shaft to secure
shift lever (Fig. 69). Apply 1-2 drops Mopar Lock N'
Seal, or Loctite 242 to nut threads before installa
tion. Then tighten nut to 27-34 N-m (20-25 ft. lbs.)
torque.
Fig. 69 Shift Lever Installation
PLANETARY
AND INPUT
GEAR
ASSEMBLY
AND
INSTALLATION
(1) Lubricate planetary components with transmis
sion fluid.