JLG 600SC_660SJC Service Manual - Manual (Page 119)

SECTION 6 - UNDERCARRIAGE
3120898 – JLG Lift – 6-15
6.3 TRACK
Separate
1. Put the machine on a flat level surface.
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 CYL-
INDER TO SEE IF THE TRACK IS BEING LOOSENED.
MAKE SURE THE VENT HOLES ARE CLEAN BEFORE THE TEN-
SION IS RELEASED ON THE TRACK.
2. Release the tension on the track assembly. Loosen
relief valve (1) for one turn only. If the track assembly
does not loosen after opening the relief valve, move
the machine forward and backward until the tension
is released.
NOTE: To provide additional clearance for removal of the
master pin, the track shoe on each side of the mas-
ter pin may be removed. Use tooling (B) to remove
the track bolts.
3. Move the track assembly until master pin (2) is in
position that is shown. Put tooling (A) under the
track grouser, as shown. Move the track assembly
onto tooling (A).
Table 6-6. Track Required Tools - Separate
Tool Part # Description Qty.
A 5P-6214 Track Block Assembly 1
B 1U-7631 Socket 1