Mast Profile Lubrication; Rollers; Inspection; Removal And Installation - JLG TOUCAN 8E Service And Maintenance Manual

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. Install ports fittings on the motor (Refer to Section 7-4)
and torque them to 50 N.m (36.9 ft.lbs).
3. Connect hydraulic lines to motor ports as previously
tagged.
4. Install mast cylinder holding valve and the manual
override device (Refer to Section 7).
5. Connect battery plug. Using ground controls, raise
the mast and remove blockings. Check swing sys-
tem from proper and safety operation.
6. Check the mast manual descent for proper opera-
tion.
7. Check hydraulic fluid level and adjust accordingly.
Install chassis shield and hoods.
31210090
SECTION 5 - TURNTABLE AND VERTICAL MAST

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 5-14. Mast Profiles Lubrication

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.
– JLG Lift –
5-7