Spicer Tandem Drive Axles Pro-40 Single Reduction and Single Reduction with Differential Lock - Manual (Page 18)

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Forward Assembly
Disassemble, Assemble and Overhaul Power Divider - In Vehicle
The power divider cover comes off as a unit followed by the
input shaft and then the helical side gear.
The power divider can be replaced with the axle assembly
both in or out of the chassis and with the differential carrier
assembled to the axle housing.
During removal of power divider cover, the inter-axle differ-
ential (IAD), input shaft assembly or IAD shift system parts
may fall from the carrier if not careful. Use caution to pre-
vent injury or damage.
7. Disconnect the main driveline.
8. Disconnect the lockout air line.
9. Remove input yoke.
10. Remove input seal.
11. Position a drain pan under the power divider unit.
12. Remove PDU cap screws.
13. Remove power divider cover.
14. Remove shift fork, compression spring and shift rod.
15. Remove input shaft drive assembly from the carrier.
16. Remove the IAD assembly from the output side gear.
CAUTION
Fo
rward Assembly