Installing Rubber Track; Checking Tightness Of Nuts And Bolts - JLG X20JPLUS Operator, Safety, Maintenance And Service Manual

MUX20JP021602
12.8.4.Installing rubber track
1 Starting with the machine undercarriage raised in conditions of safety provi‐
ded of suitable supports stable below the undercarriage frame to support the
machine.
Before installing the rubber tracks, make sure that you are always in
safe conditions with the machine suspended from the ground,
2 Check that the grease contained in the hydraulic cylinder has been removed.
3 Mesh the track links with the track teeth of sprocket wheel and place the other
end of the track on the idler.
4 Rotate the drive wheel to reverse slowly (7) pushing into the frame. If neces‐
sary, help yourself with a pry bar (8), especially to "walk" the first teeth in past
the idler.
5 Make sure that the track links are properly meshed in the sprocket and idler.
6 Adjust the track tensioning ʺTensioning rubber track (p. 157)ʺ.
7 Lower the undercarriage down to the ground.
12.9.CHECKING TIGHTNESS OF NUTS AND BOLTS
Depending on the use of the platform, it is essential to check the parts and the
nuts and bolts which are subject to loosening. Pay particular attention to the chas‐
sis components, such as idler roller, travel gear motors, sprockets and guide rol‐
lers. Check that they are tightened sufficiently, according to the following table.
Fig. 163 Rubber track installation example
Boom Lift Models X20JPLUS
MAINTENANCE
159