Grove Published 11-22-2016, Control # 345-12 6-19
RT9130E-2 SERVICE MANUAL SWING SYSTEM
10. Position an adequate supporting device beneath the
swivel.
11. Remove the four capscrews, 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 430 lb
(195 kg). The hydraulic, water, and electrical swivel
combined weigh approximately 520 lb (236 kg).
1. Raise the swivel into position.
2. Secure the hydraulic swivel to the turntable base plate
with the bushings, capscrews, and washers. Torque the
bolts, refer to Fasteners and Torque Values, page 1-18
for the torque value.
3. Position the two retainer plates on the hydraulic swivel
spool ensuring they engage the lugs on the carrier
frame. Secure the retainer plates with eight capscrews
and four capscrew retainers. Apply Loctite 271 to the
capscrew threads. Refer to Fasteners and Torque
Values, page 1-18 for the torque value for the eight
retainer plate bolts. Bend all the retainer tabs to make
contact with the capscrew heads. Tighten the four
retainer plate capscrews, leaving a maximum 0.0313 in
(0.8 mm) gap between each bolt and lug on carrier
frame, then tighten the locking nuts.
NOTE: Allow a 1/32” max gap between bolt and the
retaining lug on the frame. Do not tighten bolt
against lug.
4. If removed, install the electrical swivel. Refer to
Electrical Swivel, page 6-20. Connect the swivel wiring
harness connectors to the carrier receptacles and the
ground wire to the mounting bracket on the carrier
frame. Use the bolt and star washers taken off at
removal and refer to Grove Engineering Specification A-
829-100386 for proper electrical termination of grounds.
5. Install the clamp, lockwasher, flat washer and capscrew
to the bottom of the swivel retainer plate securing the
wiring harness.
6. Connect the hydraulic lines and water lines to the spool
of the hydraulic swivel as tagged during removal.
7. Connect the hydraulic lines to the hydraulic swivel case
as tagged during removal.
8. Connect the water lines to the water swivel case as
tagged during removal.
9. Remove the blocking material from the lift cylinder.
10. Activate all systems; cycle all functions and observe for
proper operation and any leakage.
Two-Port Water Swivel
Description
The two-port water swivel allows engine coolant to flow from
the carrier-mounted engine to the hot water heater in the
operator’s cab. Through an internally drilled passage in the
11 port hydraulic swivel spool, coolant is transferred to a
circumferential groove on the water spool exterior. This
groove corresponds with a mating port on the outer case of
the water swivel. The spool grooves are separated by a quad
ring/telflon bronze ring seal. The lip seal prevents coolant
from leaking externally. Return engine coolant flow from the
hot water heater is accomplished in the same manner
through the opposite port of the water swivel.
Maintenance
Removal
1. Perform steps 1 thru 4 of Hydraulic Swivel, page 6-18.
2. Remove the electrical swivel. Refer to Electrical Swivel,
page 6-20.
3. Tag and disconnect the lines from the case of the water
swivel. Cap or plug all lines and openings.
4. Remove the bolt and shim(s) from the water/hydraulic
swivel keying lugs.
5. Remove the four capscrews and washers securing the
water swivel and electrical swivel center post to the
hydraulic swivel. Remove the water swivel and center
post.
Disassembly
NOTE: Any maintenance requiring disassembly of the
water swivel should include replacement of all
seals and rings.
1. Withdraw the spool from the case.
2. Place the spool on a clean work surface in a dust-free
area and block the spool to prevent movement during
disassembly.
NOTE: Placing removed seals and rings in the order of
disassembly will assist with installation of new
seals and rings.
CAUTION
When removing seals and rings, avoid scratching
grooved and gland surfaces.
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