Mast Profile Lubrication; Rollers; Inspection; Removal And Installation - JLG TOUCAN 10E Service And Maintenance Manual

SECTION 5 - TURNTABLE AND VERTICAL MAST
6. Clean and inspect pinion teeth for damage or exces-
sive wear. Replace the motor if necessary.
Installation
1. Install the swing motor in its mounting hole and
secure with hardware.
2. Connect hydraulic lines to motor ports as previously
tagged.
3. Install mast cylinder holding valve and the manual
override device (Refer to Section 7).
4. Connect battery plug. Using ground controls, raise
the mast and remove blockings. Check swing sys-
tem from proper and safety operation.
5. Check the mast manual descent for proper opera-
tion.
6. Check hydraulic fluid level and adjust accordingly.
Install chassis shield and hoods.

5.3 MAST PROFILE LUBRICATION

Lube Points: Bronze spacers tracks
Capacity: A/R
Lube: A (See Table 1-14)
Interval: Every 125 hours of operation or after each clean-
ing.
1. Using ground control station, fully raise the mast.
2. Clean the inside wall of the mast sections to remove
the old grease.
3. Using a brush, lubricate the roller pin bronze wear
pad track with specified lubricant.
4. Cycle the mast and complete lubrication as neces-
sary.
Figure 5-12. Mast Profiles Lubrication
5-6

5.4 ROLLERS

Inspection

Check roller pin bronze wear pad thickness. Replace
roller pin if the wear pad thickness is less than 3.5 mm
(0.13 in).

Removal and Installation

NOTE: Mast rollers can be removed one by one in turn with-
out dismounting the telescopic mast. Fully lower the
mast to remove the upper rollers. Raise the mast as
necessary to gain access to the lower rollers. Mast
sections alignment must be adjusted after rollers
replacement.

Roller Assembly

Figure 5-13. Roller Assembly

Roller Removal

1. Unscrew and remove the locknut from the roller pin.
2. Unscrew the roller pin to release the bronze wear
pad and free the wear pad as indicated below:
HOLD THE BRONZE WEAR PAD, THE ROLLER, THEN THE
WASHER TO PREVENT THEM FROM FALLING TO THE BOTTOM
OF THE MAST PROFILE.
Figure 5-14. Roller Removal
– JLG Lift – 31210090