Spicer Tandem Drive Axles Pro-40 Single Reduction and Single Reduction with Differential Lock User Manual
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Forward Assembly
8. To add or remove shims, remove input shaft nut and
yoke. Remove cap screws, lock washers and bearing
cover. Add or remove shims as required.
9. Install bearing cover and cap screws. Seal shim pack
with Dana approved RTV compound to prevent lube
leakage then torque input shaft cap screws 150–165
lb-ft. (204–224 N•m).
10. Install yoke.
11. Install yoke nut. One of the following options may be
used.
a. Install a new nut with the pre-applied thread
adhesive compound. Tighten the nut to the
specified torque 840–1020 lb-ft. (1148–1383
N•m).
b. If a new nut with pre-applied thread adhesive
compound is unavailable, apply “Loctite 277” or
“271” (available in 0.5 ml tube – Dana P/N
129293) to the nut along two threads, for at
least two flats (120°) of the nut midway through
the thickness. Tighten the nut to the specified
torque 840–1020 lb-ft. (1148–1383 N•m).
Note: Use of a torque multiplier is recommended.
If difficulty is experienced in achieving correct torque, torque
the nut with the truck wheels on the ground and with the axle
shaft installed.
Follow the instructions specified by the thread adhesive
manufacture when applying thread adhesive compound.
2 Flats
(120˚)
Midway thru
thickness of nut
IMPORTANT
Fo
rward Assembly