Elliott Digger Derrick, Operation & Maintenance Manual, Page: 231 / 376

8
REASSEMBLY
1.
Thoroughly clean all parts. Replace those, which show wear or damage.
2.
Inspect the drum ( Item 5 ) and base ( Item 7 ) for structural integrity and replace if necessary.
3.
Set the drum so that it is centered on the hole in side plate ( Item 26 ).
4.
Install the shaft ( Item 29 ) through sideplate (Item 26) into the drum ( Item 5 ) making sure the
vent is oriented properly. Then attach shaft ( Item 29 ) to the side plate using eight capscrews
(Item 9) . Torque the capscrews to 100 to 110 ft. lb.
5.
Carefully turn the assembly over onto the output shaft side and install the output planet
carrier (
Item 4 ) using the same eyebolts and chain used to disassemble the unit.
6.
Put a light coating of grease on the thrust washer ( Item 6 ) to keep it in place. Install thrust
washer into the output planet set, then insert the output sun gear ( Item 14 ) into the output
planet set.
7.
Install the input planet set ( Item 32 ) into the drum, making sure that it fits over the output sun
gear ( Item 14 ).
8.
Install the input sun gear ( Item 8 ) and thrust washer ( Item 6 ) into the input planet set. Again,
coat the thrust washer with a light coat of grease.
9.
Install a new o-ring ( Item 24 ) and if necessary bearing ( Item 25 ) & seal ( Item 22 ) into the
bearing carrier ( Item 23 ). Grease the o-ring and seal on the bearing carrier and install the
bearing carrier into the drum. It must be installed with the o-ring nearest the motor end.
10.
Place the brake sub-assembly into the side plate ( Item 26 ), making sure that the pilot of the
brake section aligns with the bore in the bearing carrier and that the bolts for the motor are
lined up properly. Install 8 capscrews (
Item 9 ), Tighten capscrews evenly to 100 to 110 ft. lb.
torque. Also make sure that the drain and vent plugs in the cover are properly oriented.
11.
Install a new o-ring on the face of the motor and re-install the motor/counterbalance valve
assembly then re-connect the hose.
12.
Fill both the gearbox and the brake section with the proper amount and type of lubricants as
discussed in the Lubrication section.