Replacement Of Swing Bearing - JLG TOUCAN 10E Service And Maintenance Manual

SECTION 5 - TURNTABLE AND VERTICAL MAST
Bearing Teeth Lubrication
Lube Points: Coat each tooth
Capacity: A/R
Lube: B (See Table 1-14)
Interval: Every 1000 hours of operation
Figure 5-4. Swing Bearing Teeth Lubrication
1. Remove chassis hoods.
2. From ground control station, raise the mast to gain
access to the turntable plate.
3. Remove bearing teeth covers (1).
4. Remove used grease from bearing teeth with a
cloth. Rotate superstructure to reach all the teeth.
5. Using a brush (2), apply a generous coating of spec-
ified lubricant on bearing teeth. Rotate superstruc-
ture to reach all the teeth.
6. Install bearing teeth covers. Install chassis hoods.

Replacement of Swing Bearing

Removal
1. Place the machine on a flat and level surface. Fully
lower the mast and the jib. Remove chassis hoods
and chassis side shields. Swing the turntable 90°
from chassis centre line. Shut machine down and
disconnect battery plug.
2. Remove battery cover assembly. Tag and discon-
nect electric connector from the beacon.
3. Unplug the connector from the ground console.
Remove the right access door.
4. Tag and disconnect electric lines and power cables
from line contactor and power fuse. Disconnect
charger interlock connector. Disconnect hose from
the centralized filling unit.
5. Remove charger and accessories mounting plate
assembly.
6. Using an adequate lifting equipment and slings,
remove battery pack.
7. Attach a suitable eyebolt and an adequate lifting
device to the counterweight and draw all slack from
sling (or chain). Remove the hardware securing the
counterweight. Ensure the electrical cables, battery
5-2
cables and hydraulic lines will not get pinched dur-
ing counterweight removal.
Figure 5-5. Counterweight Removal
8. Tag and disconnect all connectors of the harness
coming from the chassis (harness coming out from
the rotary power track). Disconnect the power cable
(BLACK TAGGED) from the hydraulic unit motor.
Remove all clamps securing hoses and harnesses
on the left hand side of the hydraulic power unit.
Tag, disconnect and cap hydraulic lines from ports 5
and 6 of the hydraulic power unit valve body.
Remove hardware securing the rotary power track to
the turntable.
9. Tag, disconnect and cap hydraulic lines from the
mast cylinder valve. Unscrew coil nut, remove the
manual override device, the O-ring and the coil.
Remove mast cylinder valve from cylinder port
(Refer to Section 7).
10. Remove hardware securing the mast lateral power
track to mast section #1. Remove all clamps secur-
ing hoses and harnesses on the left hand side of
mast section #1.
11. Tag and disconnect chain slack harness connector
(harness coming out from the mast inside power
track). Remove hardware securing the mast inside
power track to mast section #1.
12. Attach suitable sling(s) to mast sections as shown
following and draw all slack from sling(s). Remove
the locknut, attachment nut and chain slack detec-
tion system from chains attachments on mast sec-
tion #1. Attach chain anchor with plastic straps to
prevent the chains from running over the pulleys.
13. Loosen the roller pin locknuts at the top of mast sec-
tion #1 and slightly unscrew roller pins to allow
clearance. Lift the mast sections assembly by a max-
imum of 300mm (12") to gain access to the mast cyl-
inder anchor pin on mast section #2.
– JLG Lift – 31210090