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Published 10/19/2017, Control # 618-00
SWING SYSTEM GRT880 SERVICE MANUAL
connector mounting bracket on carrier frame. If
necessary, remove electrical swivel. Refer to Electrical
Swivel in this Section.
NOTE: Hydraulic and water swivel weighs approximately
171.5 kg (378 lb). Combined hydraulic, water, and
electrical swivels weigh approximately 181.5 kg
(400 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 adequate supporting device beneath swivel.
11. Remove four bolts, washers, and bushings securing
swivel barrel to turntable base plate. Lower swivel to the
ground.
Installation
NOTE: Hydraulic and water swivel weighs approximately
171.5 kg (378 lb). Combined hydraulic, water, and
electrical swivels weigh approximately 181.5 kg
(400 lb).
1. Lift swivel into position.
2. Secure hydraulic swivel to turntable base plate with
bushings, bolts, and washers. Torque bolts. Refer to
Fasteners and Torque Values, page 1-15 for proper
torque.
3. Position retainer plate on hydraulic swivel spool
ensuring they engage the lugs on the carrier frame.
NOTE: Allow a 1/32” max gap between bolt and retaining
lug on frame. Do not tighten bolt against lug.
4. Apply Loctite 271 to bolt threads. Secure retainer plate
with four bolts and two bolt retainers. Torque bolts to
270 Nm (199 lb-ft). Bend retainer tabs to make contact
with bolt heads. Snug four retainer plate bolts against
lugs on carrier frame. Tighten locknuts.
5. Install electrical swivel if removed. Refer to Electrical
Swivel in this Section. Connect swivel wiring harness
connectors to carrier receptacles and yellow ground wire
to mounting bracket on carrier frame. Reuse previously
removed bolt and star washers. Refer to Grove
Engineering Specification 6829100386 for proper
electrical termination of grounds.
6. Install clamp, washer, flatwasher, and capscrew to
bottom of swivel retainer plate securing wiring harness.
7. Connect hydraulic lines to spool of hydraulic swivel as
tagged during removal.
8. Connect hydraulic lines to hydraulic swivel case as
tagged during removal.
9. Connect water lines to water swivel case as tagged
during removal.
10. Remove blocking material from lift cylinder.
11. Activate all systems. Cycle all functions and observe for
proper operation and any leakage.
Reference Only
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