JLG 600SC_660SJC Service Manual - Manual (Page 105)

SECTION 6 - UNDERCARRIAGE
3120898 – JLG Lift – 6-1
SECTION 6. UNDERCARRIAGE
6.1 TRACK CARRIER ROLLER
Removal
PERSONAL INJURY OR DEATH CAN RESULT FROM GREASE
AND OIL COMING OUT OF THE RELIEF VALVE.
GREASE AND OIL ARE UNDER HIGH PRESSURE COMING OUT
OF THE RELIEF VALVE AND CAN PENETRATE THE BODY.
DO NOT WATCH THE RELIEF VALVE TO SEE IF GREASE IS
ESCAPING. WATCH THE TRACK OR TRACK ADJUSTMENT TO
SEE IF THE TRACK IS BEING LOOSENED.
1. Put the machine on a flat level surface.
2. Release the tension on the track. Loosen relief valve
(1) for one turn only. If the track does not loosen
Figure 6-1. Undercarriage Components
Table 6-1. Track Carrier Roller Required Tools - Removal
and Installation
Tool Part # Description Qty.
A 8T-5225 Hydraulic Jack 2