6-18
Published 11/26/2014, Control # 447-05
SWING SYSTEM RT770E
NOTE: The hydraulic swivel weighs approximately 175 kg
(386 lb). The hydraulic, water, and electrical swivel
combined weigh approximately 206 kg (454 lb).
9. On the bottom of the swivel, bend the retainer tabs away
from the bolt heads. Remove the eight bolts and four bolt
retainers securing the two retainer plates to the spool.
Remove the retainer plates from the spool and the lugs
on the carrier frame.
NOTE: It may be necessary to remove some drive line
components to remove the swivel.
10. Position an adequate supporting device beneath the
swivel.
11. Remove the four bolts, washers, and bushings securing
the swivel barrel to the turntable base plate and lower
the swivel to the ground.
Installation
NOTE: The hydraulic swivel weighs approximately 175 kg
(386 lb). The hydraulic, water, and electrical swivel
combined weigh approximately 206 kg (454 lb).
1. Raise the swivel into position.
2. Secure the hydraulic swivel to the turntable base plate
with the bushings, bolts, and washers. Torque bolts’
refer to Fasteners and Torque Values, page 1-16 for
proper torque.
3. Position the retainer plate on the hydraulic swivel spool
ensuring they engage the lugs on the carrier frame.
NOTE: Allow a 1/32” max gap between bolt and the
retaining lug on the frame. Do not tighten bolt
against lug.
4. Secure the retainer plate with four bolts two bolt
retainers. Apply Loctite 271 to the bolt threads. Torque
the bolts to 270 Nm (199 lb-ft). Bend all the retainer tabs
to make contact with the bolt heads. Snug the four
retainer plate bolts against the lugs on the carrier frame
and tighten the locking nuts.
5. If removed, install the electrical swivel. Refer to
Electrical Swivel in this Section. Connect the swivel
wiring harness connectors to the carrier receptacles and
the yellow ground wire to the mounting bracket on the
carrier frame. Use the bolt and star washers taken of at
removal and refer to Grove Engineering Specification
6829100386 for proper electrical termination of grounds.
6. Install the clamp, washer, flatwasher and capscrew to
the bottom of the swivel retainer plate securing the
wiring harness.
7. Connect the hydraulic lines to the spool of the hydraulic
swivel as tagged during removal.
8. Connect the hydraulic lines to the hydraulic swivel case
as tagged during removal.
9. Connect the water lines to the water swivel case as
tagged during removal.
10. Remove the blocking material from the lift cylinder.
11. Activate all systems; cycle all functions and observe for
proper operation and any leakage.
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