Maintenance
50940411/G0219 144 Printed in U.S.A.
2. With the machine running and the drive system
not moving, open the engine compartment. Press
and hold the lock button (L, Fig. 151) on the
track tension service switch, and press the top
(M) of the switch to set the track tension
cylinders into the service (retracted) position.
3. When the track tension cylinders are in the
service (retracted) position, shut off the machine.
Use solid support blocking. Never rely on jacks
or other inadequate supports when
maintenance work is being done. Never work
under any equipment supported only by jacks.
4. Raise the machine about 150 mm (6”), so the
tracks are free to move.
5. Use a pry bar to pry/guide the old track at (R,
Fig. 152) off the front idler wheel.
6. Using a hoist with a hook installed and a pry bar,
lift/guide the old track at (T, Fig. 152) off the
drive sprocket. Remove the old track.
7. Using a hoist with a hook, lift the new track at
(T), and manoeuver the track under the rear idler
wheel at (Q) using a pry bar and your foot.
IMPORTANT:
Guides on the inside of the track
must straddle the rear idler.
8. Place a block under the new track at (S), to hold
the track against the bottom of the rear idler
wheel.
9. Using a hoist with a hook and a pry bar, lift/
guide the new track at (T) onto the drive
sprocket.
IMPORTANT:
Lugs on the inside of the track must
be fully engaged by drive sprocket (P).
L
M
Fig. 151 – Track Tension Switch
Models RT175/RT210 Shown; Other
Machines Similar
Fig. 152 – Track Removal/Installation
R
S
Q
P
T