Husqvarna ST 427 Operator's Manual page 23

9. Operate all controls to make sure that the auger
belt is installed correctly and that all components
are moving correctly.
To adjust the auger belt tension
Note:
An assistant is necessary to do this task.
1. Remove the belt cover. See
replacement of the belts on page 21 .
2. Loosen the idler pulley nut (A). (Fig. 91)
3. Move the idler pulley (B) in the direction of the
auger belt to increase the belt tension. Move it
away from the auger belt to decrease the belt
tension.
4. Tighten the idler pulley nut (A).
5. Have the assistant stay 3 m (10 feet) in front of
the product to monitor the movement of the
auger.
6. Push and then release the auger engagement to
start and stop the auger.
7. Measure the time for the auger to stop moving. If
the auger stops after more than 5 seconds,
release the belt tension.
8. When the auger stops moving after less than 5
seconds, install the belt cover. See
belt cover on page 22 .
To adjust the auger control cable
1. Remove the cable cover on the right hand side of
the frame (D). (Fig. 92)
2. To remove slack from the auger control cable,
unscrew the bottom jam nut (B) and tighten the
top jam nut (B) until the auger belt tension has
increased.
3. Retest the auger engagement. Repeat
adjustment as needed until only a small amount
of slack remains in the cable when the lever is
disengaged.
4. Tighten the bottom jam nut to lock in the tension.
Note:
You may also tension the auger belt by
adjusting the idler pulley as a secondary option.
If the adjustment does not resolve the problem,
replace the auger belt. See
belt on page 22 .
To adjust the release cable of the
discharge chute
1. To adjust the release cable, turn the cable
adjuster until the release lever of the discharge
chute does not move freely. (Fig. 93)
876 - 014 - 19.05.2021
To prepare for
To install the
To install the auger
To adjust the left and right discharge
chute cables
1. Put the discharge chute lever in the center
position.
2. Turn the cable adjusters until the discharge chute
points straight forward, and the cables are tight.
(Fig. 94)
3. Loosen the cable adjusters ¼ turn to make the
cables less tight.
To remove the wheels
1. Remove the wheel pin (A) and the retainer pin
(B).
2. Remove the wheel from the axle (C). (Fig. 95)
To adjust the tension of the
continuous tracks (for ST 424T/
427T/430T only)
Note:
Tools that are necessary for this task: a
9/16" deep socket, a 9/16" wrench and a 5 kg (10
lbs) weight.
1. Loosen the locking screw (A) 1 turn.
2. Remove the rear locknut (B) to give access to
the adjustment nut. (Fig. 96)
3. Put a 5 kg (10 lbs) weight (C) on top of the
continuous track, in the center between the 2
wheels.
4. Turn the adjustment nut (B) until the distance (D)
between the continuous track and the steel plate
is between 3.175 and 6.350 mm (0.125 and
0.250 in). wide. (Fig. 97)
5. Attach the locking screw (A) and then the rear
locknut (B).
To clean the product
• Clean plastic parts with a clean and dry cloth.
• Do not use a high pressure washer to clean the
product.
• Do not flush water directly on the motor.
• Use a brush to remove leaves, grass and dirt.
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