JLG 600SC_660SJC Service Manual - Manual (Page 89)

SECTION 4 - CAT CHASSIS (PRIOR TO S/N 0300128000)
3121157 – JLG Lift – 4-27
3. Install fitting (3). Connect hose assemblies (2).
4. Install cover assembly (1).
5. Remove Tooling (A). Install the cap onto the hydrau-
lic tank.
6. Connect the track assembly. Refer Section 4.5,
Track.
7. Reposition the machine away from the suitable crib-
bing.
4.12 TRACK ADJUSTMENT
PERSONAL INJURY OR DEATH CAN RESULT FROM GREASE
UNDER PRESSURE.
GREASE COMING OUT OF THE RELIEF VALVE UNDER PRESSURE
CAN PENETRATE THE BODY CAUSING INJURY OR DEATH.
DO NOT WATCH THE RELIEF VALVE TO SEE IF GREASE IS
ESCAPING. WATCH THE TRACK OR TRACK ADJUSTMENT CYLIN-
DER TO SEE IF THE TRACK IS BEING LOOSENED.
LOOSEN THE RELIEF VALVE ONE TURN ONLY.
IF TRACK DOES NOT LOOSEN, CLOSE THE RELIEF VALVE AND
CONTACT YOUR JLG DEALER.
KEEPING THE TRACK PROPERLY ADJUSTED WILL INCREASE THE
SERVICE LIFE OF THE TRACK AND DRIVE COMPONENTS.
NOTE: The track tension must be adjusted according to the
current operating conditions. Keep the track as slack
as possible if the soil is heavy.
Measuring Track Tension
1. Operate the machine in the direction of the idlers.
2. Stop with one track pin directly over the front carrier
roller. Park the machine and turn off the engine.