RG55T-R Operation • Service • Maintenance
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Maintenance
improper alignment in the following steps.
6. Install bolts loosely in the gearbox and push the drive
dogs of each coupler together to check for proper
alignment.
7. Align the gearbox so that the sides of each coupler
are parallel with each other, and then check the height
difference between the two couplers. Check the
misalignment with a straight edge and a feeler gauge,
and shim as needed (use optional shims in addition to
the 14ga shims installed on the machine).
8. After the correct shims are installed hand tighten the
gearbox bolts (M16) in a star pattern and recheck to
make sure the couplers are still aligned. Unit requires
763434 (5/8 washer) and 726702 (5/8 Lock Washer)
Note: if no shims are needed, install 2-1/2” washers (in
addition to 763434) to prevent dust from entering the holes.
9. Check the coupler a second time. If it is still aligned,
torque the gearbox bolts in a star pattern to 120 lb-ft.
10.Insert the spider into the coupling and insert the drive
dogs into the coupling leaving an equal gap between
them (~0.020”).
11.Check alignment and torque the locking bolt (3/8 HEX)
to 45 lb-ft with “Blue” med strength Loctite.
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