Section 7
Hydraulic System
20412971
8-2012/Rev 08
7-16
Figure 7-11: Motor Coupling Half
5. Apply Loctite 222 to the bolts and attach a new motor coupling half to the motor shaft.
Torque to the specifications in Table 7-3.
6. Place the flexible coupling on the motor coupling half. Follow Step 12 and 14 in the
previous procedure to determine if the coupling half on the hydraulic pump is in the
proper position. If necessary, adjust the position of the pump coupling half.
7. Place the hydraulic pump on the motor, ensuring the coupling teeth mesh into the flexible
coupling. Force should not be required.
8. Verify that the mating surfaces of the motor and pump meet without resistance from the
coupling.
9. Replace the pump mounting bolts and torque to the specifications in Table 7-3.
10. Position the motor and hydraulic pump in the frame. Attach the motor to the vibration
isolation mounts.
11. Install the flexible electrical cable on the junction box and replace the electrical leads.
12. Complete Steps 19-24 in the previous procedure.
Hydraulic Oil Replacement
Hydraulic oil must only be replaced at the fill port on the filter head.
1. Remove the cap from the fill port on the oil filter.
To ensure cleanliness, the oil fill port must be used to pump oil into the reservoir.
Filling at this point guarantees the hydraulic oil will pass through the oil filter
before entering the reservoir.
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