6-14
Published 9-04-2014, Control # 422-08
SWING SYSTEM RT765E-2 SERVICE MANUAL
5. Install the gearbox pinion aligning the high point
(maximum eccentricity) on the turntable bearing. Using
a 0.008 in (0.203 mm) thick shim, check the backlash
(Figure 6-4). If the pinion must be moved to achieve
proper backlash, contact your local distributor.
6. Position the retainer plate on the bottom of hydraulic
swivel spool, engaging the lugs on the carrier frame, and
secure it to the spool with two bolt retainers and four
bolts after applying Loc-tite #271 to bolt threads. Torque
the bolts to 199 lb-ft (270 Nm). Bend all the retainer tabs
to make contact with the bolt heads.
7. Plug the swivel wiring harness connectors into the
carrier receptacles. Secure the ground wire to the
ground stud using a washer, lockwasher, and nut.
8. Install the clamp securing the swivel wiring harness to
the retainer plate on the bottom of the hydraulic swivel.
9. Connect all water and hydraulic lines to the ports on the
bottom of the swivel as tagged during removal.
10. Install the boom and lift cylinder following the procedures
outlined in Section 4 - Boom.
NOTE: The fixed counterweight weighs approximately
14,400 lb (6540 kg). The removable counterweight
weighs approximately 14,860 lb (6740 kg)
11. Attach an adequate lifting device to the counterweight.
Position the counterweight under the turntable aligning
the pin holes. Install the pins and clip pins securing the
counterweight to the turntable.
12. Reconnect the batteries.
13. Check the slew potentiometer in the electrical swivel for
proper orientation. Refer to Swivels, page 6-15.
Testing
Activate the crane and check for proper function.
NOTE: If the superstructure does not turn freely after
bearing and pinion replacement, contact your local
distributor.
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