Toro 22431, 22457 Installation Instructions
Form No. 3323–284
Over–the–Tire Tracks
Model 22457 and 22431
IMPORTANT:
all pr
ecautions listed ther
Loose
DESCRIPTION QTY. USE
Pivot
pin
Hex set–screw
Wheel spacers
Lug nuts (20 provided with the wheel spacers
and 20 on the traction unit)
Over–the–tire track assembly
Bolt
Locknut
Befor
Parts
e using this pr
e.
oduct, r
ead the safety section in your traction unit operator’s manual, and follow
2
2
4
40
2
4
4
Install on loader arm hydraulic cylinders
Install on wheels
Install on traction unit
Installation
Instructions
Installation
IMPORTANT:
the Sitework Systems or turf tread tir
over any other type of tir
machine.
Installing Pivot Pins
Model
22457 Only
1.
Lower the loader arms as low as possible.
2. T
urn the traction unit of
Remove the existing pivot pin from the bottom of a
3.
loader arm hydraulic cylinder (Fig. 1). Retain the bolt
for later use.
The T
8111 Lyndale Ave. South
Bloomington, MN 55420–1196
The tracks must only be installed over
es. Installation
oro Company
e may r
– 1999
esult in damage to the
f and remove the key
.
1
1. Pivot
4. Remove
pin
the grease fitting from the center of the pivot
pin and discard the pin.
Figure
2
m–3933
1
2. Bolt
All Rights Reserved
Printed in the USA
Installation Instructions
5.
Install the new pivot pin using the bolt removed in step
3 (Fig. 2).
3
4
1
2
3
1. Pivot
2. Bolt
pin
6. Thread
Figure
the grease fitting removed from the old pivot
2
Hex set–screw
3.
pin into the opening in the face of the new pivot pin.
7.
Connect a grease gun to the fitting. Pump grease into
the fitting until grease begins to ooze out of the
bearing.
ipe up any excess grease.
8. W
9.
Remove the grease fitting and replace it with the hex
set-screw (Fig. 2).
10.
Repeat steps 3 through 9 for the other loader arm
hydraulic cylinder
Store the grease fittings for future use (refer to
11.
.
Greasing Pivot Pins, page 3).
Installing Wheel Spacers
1. Put
the traction unit up on blocks and remove the
wheels.
Slide the wheel spacers onto the studs on the wheel
2.
hub and secure them with lug nuts
(Fig. 3). T
3.
Install the wheels on the studs on the wheel spacers
and secure them with lug nuts (Fig. 3). T
nuts to 55 ft-lbs (75 N·m).
orque the lug nuts to 55 in–lbs (75 N·cm).
orque the lug
m–3935
2
1
Figure
1. Wheel
2.
4. Return
5.
spacer
Wheel hub
the traction unit to the ground.
After the first 8 hours of operation, torque the lug nuts
3
3.
Lug nut
4. Wheel
again to 55 ft-lbs (75 N·m).
Installing the Tracks
CAUTION
POTENTIAL
•
Some ar
moving parts that can pinch.
WHA
T CAN HAPPEN
• Y
ou could be cut or pinched while handling the
tracks.
HOW T
• W
ear leather gloves while handling the tracks.
1.
Lay one track on a level surface.
2.
Drive the traction unit onto the track until both wheels
on one side are centered in the track.
3.
Pull the front and rear of the track up and over the tires
and secure them with a ratchet and straps (Fig. 4).
4.
Connect the track by installing (2) bolts and (2)
locknuts through the connector links on both sides of
the track (Fig. 4).
HAZARD
eas of the tracks have sharp edges and
O AVOID THE HAZARD
3
m–3900
2
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