LeeBoy 8510b - Conveyor Drive Chain Adjustment; Torque Hub Hydraulic Motor Adjustment

7
LeeBoy Model 8510B Conveyor Paver 7-13
Maintenance
Conveyor Drive Chain
Adjustment
Entanglement Hazard! Do not run
engine while checking and servicing conveyor drive
train.
1. Look at drive chain through the top of the frame.
If drive chain has excessive loose motion in it,
adjustment is necessary.
Conveyor Chain Adjusting Bolts
Figure 7-10
1 - Chain Adjuster
2 - Locknut
2. If adjustment is necessary, continue to operate
conveyors at fast speed and loosen the locknuts
(Figure 7-10,2) on the chain adjuster. Turn the
chain adjuster (Figure 7-10,1) until the whip in the
drive chain disappears.
3. Retighten locknuts (Figure 7-10,2) when
adjustment is made.
4. Perform the same check on the opposite conveyor
drive chain.
Torque Hub Hydraulic Motor
Adjustment
Low Gear
Torque hub hydraulic motors are
calibrated and set at the factory. Only an Authorized
LeeBoy Dealer should make adjustments.
NOTE: The low gear adjustment screw is located on
bottom of drive motor.
The adjustment must be made to the slow side drive
motor only. Only make small changes at a time and
recheck paver. Proceed as follows:
NOTE: Low gear operation requires each HIGH/LOW
switch on both sides of the dash panel to be in
the LOW position.
5. Raise conveyor (see Raising Conveyor in section
7).
6. With paver running, set the HIGH/LOW switches to
the LOW position.
7. Locate adjustment screw on the bottom of the
hydraulic motor.
8. Adjust screw in small increments of about 1/4 turn
then recheck tracking.
High Gear
NOTE: The high gear adjustment screw is located on top
of drive motor.
Tracking adjustment on the high side gear is performed
by adjusting the screw on top of hydraulic motor. The
adjustment on the motor for the fast track must be
screwed in to equalize track speed.
NOTE: If hydraulic motor has not been previously set,
ten revolutions of the adjustment screw may be
required before noticing any difference in travel.
NOTE: High gear operation requires each HIGH/LOW
switch on both sides of the dash panel to be in
the HIGH position.
1. With paver running, set the HIGH/LOW switch to the
HIGH position.
2. Adjust screw on top of hydraulic motor until back
pressure from spool is felt on adjustment screw.
This indicates adjustment is close.
3. Finalize adjustment by making one quarter (1/4) turn
at a time until correct adjustment is made.
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