Track Tensioner Kit
for Dingo TX 425 Compact Utility Loaders
Part No. 106-7610, 106-7611, and 106-7612
Installation Instructions
Form No. 3329-765
Kit number 106-7610 contains the track tensioner for either
track on a TX 425 traction unit with a serial number of
Determine the left and right sides of the traction unit from
the operator’s position.
220000401 or higher. Kit number 106-7611 contains the
right-hand track tensioner and kit 106-7612 contains the
left-hand track tensioner for a TX 425 traction unit with a
serial number of 220000400 or lower.
Loose Parts
Description Qty. Use
Track tensioner 1
Tension wheel 2
Large washer 2
Nut 2
Installing a Track Tensioner
1. Lower the loader arms, stop the engine, and remove the
key.
2. Lift/support the side of the unit to be worked on so that
the track is three to four inches (7.6 to 10 cm.) off of the
ground.
3. Remove the locking bolt and nut (Fig. 1).
4
1. Locking bolt
2. Tensioning screw
4. Using a 1/2 in. drive rachet, release the drive tension by
turning the tensioning screw clockwise (Fig. 1 and 2).
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Figure 1
m–4747
3. Tensioner tube
4. Tension wheel
1. Track
2. 1/2 in. rachet
3. Tension wheel nut
4. Outer tension wheel
5. Tensioner
5. Push the tension wheel toward the rear of the unit to
6. Remove the nut securing the outer tension wheel and
Install the track tensioner.
1
4
9
5
3
6
8
7
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Figure 2
6. Track lug
7. Drive sprocket
8. Sprocket spacer
9. Inner tension wheel
move the tensioner tube against the frame (Fig. 2). (If it
does not touch the frame, continue turning the
tensioning screw until it does.)
remove and discard the wheel (Fig. 2).
2003 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
7. Remove the track (Fig. 2).
8. Pull the track tensioner out of its housing and discard it.
9. Slide the new track tensioner into the tensioner housing
with the fork angle pointing downward.
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10.On the inside of the new tension wheels, fill the area of
the bearings with grease.
11. Install the large washers on the wheels over the bearings
and grease.
12.Install the inner tension wheel and secure it with a new
nut (Fig. 2).
13.Torque the nut to 300 ft.-lb. (407 N⋅m).
14.Install the track, ensuring that the lugs in the track fit
between the spacers in the middle of the drive sprocket
(Fig. 2).
15.Install the outer tension wheel and secure it with a new
nut (Fig. 2).
16.Torque the nut to 300 ft.-lb. (407 N⋅m).
17.Turn the tensioning screw counter-clockwise until the
distance between the tension nut and the back of the
tension tube (Fig. 3) is 2-3/4 in. (7 cm.).
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Figure 3
1. 2-3/4 in. (7 cm)
18.Align the closest notch in the tension screw to the
locking bolt hole and secure the screw with the locking
bolt and nut.
19.Lower the traction unit to the ground.
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