LeeBoy 8616 - Removal and Installation Procedures

7-24 LeeBoy Model 8616 Conveyor Paver
Maintenance
Drive Torque Hub Replacement
Removal
1. Drive paver on to ramp in order to access
underside.
2. Remove track master pin at bottom rear of sprocket.
3. Release track tension by screwing relief cartridge
out of manifold about three turns.
4. Drive paver forward to disconnect track from the top
of the sprocket.
5. Follow directions for 2-Speed Motor Replacement.
6. Jack paver sprocket up out of track for removal.
7. Remove bolts holding sprocket on.
8. Slide sprocket off out of the way.
9. Use a hoist to hold torque hub to keep it from falling.
10. Remove bolts from rear of torque hub.
11. Slide torque hub out with hoist.
Installation
1. Use hoist to place torque hub back to frame.
2. Place thread-locking adhesive on bolts and install
bolts for holding torque hub in place. Torque bolts to
180 ft. lbs. (244 N.m).
3. Slide sprocket on to torque hub.
4. Place thread-locking adhesive on bolts and install
bolts holding sprocket on. Torque bolts to 180 ft. lbs.
(244 N.m).
5. Follow directions on installing 2-Speed Motor
Replacement.
6. Lower paver so that sprocket goes back into track
chain. Drive paver forward to rotate track onto top of
the sprocket.
7. Place master pin back in track.
8. Place thread-locking adhesive on bolt.
9. Tighten relief cartridge in manifold.
10. Rotate torque hub so that either of the plugs are at
3 o’clock position. Remove the plug at the 3 o’clock
position (Figure 7-4,2). If oil comes out, no oil is
needed. Insert plug and tighten. If oil does not come
out, remove the plug at the 12 o’clock position and
ll torque hub with 80W-90 gear oil until oil starts to
appear at the other hole. Replace both plugs and
repeat process on other torque hub.
Removal and Installation
Procedures
2-Speed Motor Replacement
Removal
1. Drive paver on to ramp to access underside.
2. Label and disconnect all hydraulic hoses. Plug and
cap ttings.
3. Remove two bolts holding motor to torque hub.
4. Slide motor out of torque hub.
Installation
1. Lubricate O-ring and install on motor.
2. Slide motor into torque hub.
3. Attach motor to torque hub with two bolts. Torque
bolts to 120 ft. lbs. (162 N.m).
4. Clean all hoses and tting and reconnect hoses.
5. Fill oil tank through the charge lter ll port. This will
charge motor back with oil.
6. Start engine and let run for about 10 minutes before
moving the paver. This will prevent damage to the
new motor due to a dry start.
7. After completing installation, check hydraulic oil
level.
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