Spicer Tandem Drive Axles Service Manual J340-S, J380-S, J400-S, W460-S - Manual (Page 27)

INTERMEDIATE CASE ASSEMBLY
1 . Install bearing cups into the idler gear. Be certain cups
are pressed completely into or improper measurement of
end play will result.
2 . Install bearing spacer and bearings into idler gear. The
end play is controlled by the bearing spacer.
3 . Install idler gear into intermediate case. Slide gear into
position.
4 . Install idler shaft into idler gear and intermediate case.
5 . Install input gear bearing cup into intermediate case. Use
of Loctite to help retain bearing cup in case is recom-
mended.
IMPORTANT: A special plate has been designed to aid in
assembly. A print of the special plate is provided for your
convenience. See Pg. 19.
The plate accomplishes two things:
A. It positions the idler shaft properly to facilitate assembly
of the intermediate case to the differential carrier housing.
B. It retains the input gear bearing cup in the
intermediatecase when checking end play of the inter-axle
differential.
8 . Turn intermediate case over. Install a new prevailing
torque nut.
9. Retain intermediate case to eliminate movement.
Use a torque multiplier wrench and torque idler
shaft nut to 500-600 Lb-Ft (675-800 N-m).
10 .The idler gear is designed to run with end play. Using a
dial indicator, check end play. End play should be .001”
to .006”. If it is not to specification, change bearing
Input Drive Gear
Inter-Axle Differential Bearing Cone
Inter-Axle Differential Bearing Cup
Shift Collar
Shift Fork
Retainer Spring
Retainer Clip
Air Shift Cylinder
Air Shift Cylinder Bolt
(30-40 Lb-Ft)
(41-55 N-m)
Drive Gear Bearing Cone
Drive Gear Bearing Cup
Inter-Axle Differential
Case Bolt
(75 -90 Lb-Ft)
(101-122 N-m)
Idler Gear Front Bearing Cone
Idler Gear Front Bearing Cup
Idler Gear Bearing Spacer (Selective)
Idler Gear
Idler Gear Front Bearing Cone
Idler Gear Front Bearing Cup
Inter-Axle Differential Case
Idler Gear Shaft
Idler Shaft Nut
(500-600 Lb-Ft)
(678-813 N-m)
25
IMPORTANT: Torque
specifications, shown on illustration,
apply only to J Model. See Page 33-
34 for W Model torque specifications.
Shift Fork Shaft
(30-38 Lb-Ft)
(41-51 N-m)