Service Manual

Table Of Contents
Groundsmaster 7200/7210 Page 6 – 7 Chassis
Removal (Fig. 2)
NOTE: Refer to the Polar Trac
TM
Operator’s Manual for
additional information regarding drive track and wheel
removal.
1. Park machine on a level surface, lower implement,
stop engine and remove key from the ignition switch.
NOTE: When removing wheels from a Polar Trac
TM
equipped machine, the center wheel must be removed
first to allow track clearance for front or rear wheels.
2. Loosen (but do not remove) lug nuts that secure
wheels that are to be removed.
3. Position two (2) jack stands under the rear bumper
tube at a height so that they contact or nearly contact the
bumper.
4. On the side of the machine that is to have the
wheel(s) removed (Fig. 3):
A. Remove two (2) screws securing the side access
cover to the machine. Remove the access cover.
B. Remove the lock nut and flat washer that secures
the bogie pivot to the front frame.
5. Position a suitable floor jack under the center of the
lift arm pivot tube.
6. Raise the front of the machine with the jack until the
rear of the machine is supported on the jack stands and
the center tire swings back and nearly contacts the rear
tire. Support front of machine with jack stands.
CAUTION
The track guides have many pinch points. Care-
fully grasp the rubber track on the outer edges
outboard of the steel guides when moving the
tracks.
7. Have a second person lift the center of the track to
allow removal of the center wheel. Remove lug nuts that
secure center wheel to machine. Carefully remove cen-
ter wheel from track and machine.
8. Once center wheel has been removed, have a sec-
ond person lift the track from other wheel(s) as neces-
sary to allow removal of additional wheel(s) from
machine.
Installation (Fig. 2)
1. If the track was removed from the machine, position
track to wheel location. Make sure that direction arrow
on track is properly orientated.
NOTE: When installing wheels to a Polar Trac
TM
equipped machine, the center wheel must be installed
last to allow track clearance for front and rear wheels.
2. Have a second person lift the track to allow installa-
tion of the front and/or rear wheel to machine. Secure
wheel(s) to machine with five (5) lug nuts.
3. After front and rear wheels are installed on machine,
have a second person lift the center of the track to allow
installation of the center wheel. Secure center wheel to
machine with five (5) lug nuts.
4. Lower the front of the machine to the ground.
NOTE: When securing bogey pivot to front frame, it
may be necessary to raise rear of machine to allow
installation of flat washer and lock nut.
5. Install flat washer (item 14) and then lock nut (item
13) to stud on bogey pivot. Secure pivot to front frame
by torquing lock nut to 75 ft–lb (102 N–m).
6. Place side access cover to frame and secure with
two (2) screws.
7. Fully lower machine to the ground. Torque all wheel
lug nuts in a crossing pattern from 65 to 85 ft–lb (88 to
115 N–m).
1. Side access cover 2. Lock nut / flat washer
Figure 3
1
2
Chassis