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6-17
Published 10-01-2020 Control # 699-00
GRT9165 SERVICE MANUAL
SWING SYSTEM
6
GROVE
Assembly
NOTE:
Lubricate interior of swivel to prevent rusting from
condensation.
1.
Lubricate spool, seals, and rings.
2.
Install new seals and rings on spool.
3.
Insert spool in barrel.
Installation
1.
Install water swivel on top of hydraulic swivel. Align
keyed lug on water swivel with lug on hydraulic swivel.
Secure water swivel and electrical swivel center post
with four capscrews and washers.
2.
Install shim(s) on keying lug to provide a snug fit. Secure
with screw.
3.
Connect lines to swivel case as tagged during removal.
4.
Install electrical swivel. Refer to
5.
Perform steps 8 and 9 of
6.
Activate all systems and cycle all functions. Check for
proper operation and leaks.
ELECTRICAL SWIVEL
Description
The swivel assembly consists of a 20 conductor slip ring and
cover assembly.
Each brush set incorporates two brushes and leads which
are attached to a brush holder assembly. The brush set leads
are formed into harnesses which are routed through the
mounting plate on the swivel. The collector ring leads are
formed into one harness which is routed downward through
the center of the hydraulic swivel. Extending from the base of
the hydraulic swivel, the collector ring leads are also formed
into connectors which plug into receptacles from the chassis
power supply.
The swivel cover is secured with a seal and bolts
The slip ring assembly contains an angle encoder. The
encoder sends data via CAN bus to the RCL. The RCL
converts this data into a slew angle which is used to
determine the working area definition and also for controlling
the rear axle oscillation.
Theory of Operation
The electrical swivel is located on top of the water swivel and
transfers electricity between the carrier and superstructure.
Wiring harnesses transmit the electricity between the carrier
and superstructure.
Maintenance
Removal
1.
Perform steps 1 through 4 of
2.
Disconnect batteries. Refer to
3.
Locate connectors which join the collector ring harness
to carrier receptacles.
4.
Tag connectors and their receptacles with numbers.
Disconnect connectors from chassis wiring receptacles.
NOTE:
Connectors are too large pass through center of
hydraulic swivel. They must be removed.
5.
Remove clamp securing wiring harness to retainer plate
on bottom of hydraulic swivel assembly.
6.
Tag each wire on each connector. Using the appropriate
pin removal tools, remove pins with wires still attached.
Mark each wire with the connector pin socket number.
Secure wires into one bundle. Mark bundle with
connector number. For a list of pin removal tools, refer to
7.
Secure connectors and wires from each of the
numbered connectors so harness can be pulled through
center of hydraulic swivel.
8.
Tag and disconnect connectors from receptacles on the
cab bulkhead mounting plate.
9.
Loosen jam nuts and setscrews securing electrical
swivel mounting tube to water swivel center post.
10.
Remove bolt and nut securing electrical swivel anti-
rotation pin to bracket on case of the water swivel.
CAUTION
When installing seals and rings, avoid stretching seals or
scratching grooved and gland surfaces. Damage to the
spool assembly may result in unexpected operation.
Proper alignment when installing the case is required. Do
not force the spool into the case. Damage to the seals
may result.
CAUTION
Disconnect batteries before performing any maintenance
on the electrical system. Serious burns may result from
accidental shorting or grounding of live circuits.
Содержание Grove GRT9165
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