![Manitowoc Grove GRT9165 Service Manual Download Page 178](http://html.mh-extra.com/html/manitowoc/grove-grt9165/grove-grt9165_service-manual_701207178.webp)
6-18
Published 10-01-2020 Control # 699-00
SWING SYSTEM
GRT9165 SERVICE MANUAL
11.
Remove swivel and wiring harness from crane. If
necessary, remove spacer bushing from center post.
Installation
1.
If removed, install the spacer bushing on the center post.
Route the collector core wiring harness through the
center of the hydraulic and water swivels.
NOTE:
The boom should be centered directly over the
front of the crane before adjustment is made to the
slew encoder.
2.
Slide electrical swivel mounting shaft on center post.
3.
Ensure the anti-rotation pin in the bottom of the electrical
swivel base is aligned with the mounting hole in the
bracket on the water swivel case.
NOTE:
Allow a 1/32” max gap between bolt and retaining
lug on frame. Do not tighten bolt against lug.
4.
Apply medium strength Loctite® to set screws securing
electrical swivel to center post. Torque 45 to 55 lb-in (5
to 6 N-m). Tighten jam nuts.
5.
Connect wiring harness connectors to receptacles on
cab bulkhead mounting plate as tagged during removal.
6.
Unbundle wires of collector core wiring harness. Install
pins, with wire attached, to connector as tagged during
removal.
7.
Plug connector into carrier wiring receptacle, connect
wires as tagged during removal. Install yellow ground
wire to connector mounting bracket on carrier frame
using the bolt and star washers taken of at removal and
refer to Grove Engineering Specification 6829100386 for
proper electrical termination of grounds.
8.
Install clamp securing harness to retainer plate on
bottom of hydraulic swivel assembly.
9.
Connect batteries.
10.
Activate all systems, cycle all functions, and observe for
proper operation. Adjust slew angle in accordance with
Preventive Maintenance
It is recommended a normal inspection of the electrical
swivel collector ring and brush assembly be established. An
example of this could be at approximately 100 to 150 engine
operating hours. When this time limit is reached, perform the
following.
1.
Check collector ring and brush assembly for any
corrosion, pitting, arcing, and wear.
2.
Check collector ring setscrews are tight.
3.
Check brush and arm assembly springs. Ensure they
are holding brushes firmly against the collector rings.
Slew Angle Verification
1.
Rotate superstructure over front and engage house lock
pin.
2.
Set RCL console to read slewing angle as follows:
NOTE:
Refer to
Operator Manual
for detailed instructions.
a.
Complete the RCL console setup according to the
crane’s current operating configuration.
b.
Select Info icon.
c.
Select Info icon.
3.
Verify angle indicated on console does not exceed ± 1.0
degree.
SWING LOCK PIN
Description
T h e p u r p o s e o f t h e s w i n g l o c k p i n i s t o l o c k t h e
superstructure in position directly over the front for pick and
carry loads. The pin swing lock installation consists of a large
pin, a control handle in the right side of the cab, and control
linkage that allows the crane operator to set and free the pin.
When the superstructure is directly over the front, pushing
the control handle down drops the swing lock pin into a
socket on the carrier frame, locking the superstructure in
place. Pulling the control handle up pulls the pin out of the
socket, unlocking the superstructure.
Maintenance
Ve r i f y l i n k a g e i s i n s ta l l e d t o a v o i d d a m a g e f r o m
superstructure rotation and is undamaged. Verify pin,
turntable bushing pin passes through, and socket on the
frame are undamaged. Verify all attaching hardware is
secure and undamaged.
Ensure linkage is adjusted properly. If it is, the pin bottom will
stick out about 5.89 cm (2.32 in) from the bottom of its
bushing in the turntable. (If it is too far in, it might not lock
properly. If it is too far out, it might hang up). Using the jam
nuts on the linkage parts, adjust the linkage so the pin bottom
CAUTION
When pulling wiring harness through center of hydraulic
and water swivels, ensure wires are not damaged.
CAUTION
The slew potentiometer must be adjusted any time work is
done to the electrical swivel. Personnel injury or damage
to the machine may result.
Summary of Contents for Grove GRT9165
Page 1: ...Service Manual Grove GRT9165 9897 ...
Page 4: ...THIS PAGE BLANK ...
Page 301: ......
Page 302: ......