LeeBoy 8608 - Two-Speed Hydraulic Motors

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Maintenance
LeeBoy 8608 Commercial Paver 5-33
4. Remove the two screws on the pump mount (one on
each side of mount). (Figure 5-33)
Tandem Pump
Bolts (2)
Drive Pump
Bolts (2)
Figure 5-33. Hydraulic Pump Assemblies
5. Using a sling, carefully lift the pump assembly out of
the machine and place on a at surface.
6. Remove and inspect the O-ring(s) on end of the
pump for wear or damage. Replace if needed.
7. Put a small amount of hydraulic oil onto the O-Ring
and reinstall.
8. Align the 2 mounting holes with the mounting on the
pump.
9. Reattach with the two mounting screws and torque
(Refer to Torque Tables in Section 2.)
10. Remove plug caps and reconnect hydraulic hoses
to pump as previously labeled.
11. Check hydraulic oil level. Add more if needed.
12. Start the paver and check to be sure there are no
hydraulic oil leaks.
13. Let machine idle approximately 10 minutes to allow
the pump and motor cases to ll with hydraulic oil.
Two-Speed Hydraulic MotorsTwo-Speed Hydraulic Motors
1. Move paver onto a level ramp where you can
access the undercarriage.
2. Disconnect, label and plug ttings on hydraulic
hoses to the hydraulic motors. (Figure 5-34)
Torque Hub
2-Speed Motor
Figure 5-34. Torque Hubs and 2-Speed Motors
3. Place blocks sufcient to support the hydraulic
motors underneath them.
4. Remove the two screws and lock washers attaching
the hydraulic motor to the torque hub and carefully
separate motor from the torque hub. (Figure 5-35)
Figure 5-35. Remove 2-Speed Motor
5. Remove the O-Ring and drain hydraulic oil from the
motor. Discard or repair the motor as appropriate.
6. Lubricate a new O-ring with hydraulic oil and install
onto the torque hub.
7. Reattach new or rebuilt hydraulic motor to torque
hub. (Refer to Torque Tables in Section 2 to torque
bolts.) Reconnect hydraulic hoses.
8. Start the engine and let machine run for 10 minutes
to work air out of the system. Check for any leaks.