Spicer Drive Axles Service Manual Wheel Reduction Drive Axles (EA-50) - Manual (Page 17)

Assembling (Continued)
• Check operation of differential lock by
connecting high pressure air or hydraulic
line of 140 psi supply to shift cylinder. If
this is not possible, use a 0.75-16 UNF
bolt (but do not over torque) to manually
engage the clutches. When the fork is
adjusted correctly, curvic teeth should
be fully engaged with the fork free to
float. The shift assembly should
disengage freely.
• Recheck the .120 in. gap with the shift
cylinder fully disengaged. If not proper,
readjust using the above procedure.
• Install the pipe plug.
9. Install the indicator switch, making sure
that the plastic sealing washer is under the
switch. Tighten to 10-12 ft.-lbs. torque.
Drive Pinion Oil Seal
Removal
1. Remove input yoke according to the in
structions in the appropriate head service
manual.
2. Pry out oil seal assembly by inserting
screw drivers into notches between seal
assembly and bearing cage.
3. Remove three seals.
Installation
1. Install three seals
2. Position oil seal assembly in bearing cage
with notches at top and bottom positions
and grease fitting at the 9:00 o’clock
position
3. Drive oil seal assembly into bearing cage.
4. Install input yoke per head service manual
instructions.
15
10. To more easily drop the head into the
housing the differential lock clutches
should be engaged with a 0.75-16 UNF bolt.
CAUTION: TURN THE BOLT INTO
THE PORT ONLY ENOUGH TO
ENGAGE THE CLUTCHES—OVER
TORQUING MAY CAUSE DAMAGE
TO THE SHIFT UNIT.
This bolt may be left in until axle shipment
to make axle shaft installation easier. Upon
shipment of the axle, remove the bolt and
replace with the plug that came with the
shift unit.