Spicer Tandem Drive Axles Service Manual S400 - Manual (Page 24)

22
INTER-AXLE DIFFERENTIAL ASSEMBLY
23. Apply a thin coat of grease to the small diameter of
the shift shaft.
24. Insert shift shaft into cylinder and install through
the shift fork hole and the spring. Make sure shaft is
seated into the bottom of the shift cylinder.
25. Apply a thin coat of grease to the O-ring of the shift
piston.
NOTE: Visually inspect the composite shift piston to
insure the steel spacer is present on the bottom of the
piston. See page 26 for more piston information.
26. Lubricate and place piston/O-ring assembly into
shift cylinder with detailed side facing front for the
composite piston and the flat face on the aluminum
piston.
See Figure 27 on page 26. Seat piston
firmly against shift shaft.
27. Install onto the shift cover.
28. Clean the shift cover sealing area and the intermedi-
ate case and apply a 1/16 in. bead of Loctite #518
Gasket Eliminator.
See Figure 22.
NOTE: Care must be taken to keep Loctite off of
piston assembly.
29. Install shift cover.
NOTE: If old bolts are used, coat threads with Loctite
#277 before installing.
30. Install four washers and cover bolts. Tighten and
torque bolts alternately to 15-20 Lb-Ft (20-27 N-
m) until cover is seated properly.
31. Lube bearing and bearing journals then Install the
input shaft into the shift collar and lube input shaft
bearing.
of case and around each bolt hole.
See Figure 22.
34. Install bearing retainer and tighten bolts alternately.
Torque bolts 100-120 Lb-Ft (135-163 N-m).
35. Inspect input yoke seal surface for grooves. If
grooves can be detected with fingernail, it must be
repaired with a CR SPEEDI-SLEEVE
® or replaced.
36. Clean and dry threads on input shaft.
37. Install end yoke using installer service tool.
NOTE: Spicer recommends that new flanged hex nuts
be used.
38. Apply Loctite #680 (green) to threads.
39. Use torque multiplier and torque input flanged hex
nut to 900-1,200 Lb-Ft (1,220-1,627 N-m).
Inter-axle Assembly Complete
Loctite #518
Gasket Eliminator
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32. Install new oil seal into input shaft bearing retainer.
33. Clean the mating surfaces of the bearing retainer
and the case. Apply a 1/16 in. bead of Loctite
#518 Gasket Eliminator to cover mounting surface
22. Assemble the shift collar onto the shift fork with
flat side of collar up. The fork bushing must also
face up. Install the fork and collar into the case and
align the hole of the shift fork over the opening of
the spring.