Ariens Sno-Thro 921023 – Deluxe 28 Track Owner's/Operator's Manual page 31

5
1
2
4
1. Hex Shaft
2. Bearing Flange
3. Speed Selector Arm
4. Friction Disc
5. Spring Clip
6. Drive Plate Assembly
7. Drive Sprocket
Figure 31
TRACK TENSION ADJUSTMENT
(Model 921023)
(Figures 32 and 33)
Check the track tension by applying pressure
on the track midway between the upper and
rear track rollers. Deflection should be
approximately 3/8" (9.6 mm) (Figure 32).
If deflection is excessive, tighten the track
tension.
3/8"
(9.6 mm)
Figure 32
If unit pulls to the left or right when a straight
path is desired adjust the track tension. If the
unit is pulling to the left, tighten the left track
adjuster. If the unit is pulling to the right,
tighten the right track adjuster.
To adjust (Figure 33):
1. Tighten the adjuster nut to tighten the
3
track tension.
Loosen the adjuster nut to reduce track
7
tension.
2. Check that unit tracks straight with no
pulling to either side.
Track
Adjusters
6
HEIGHT ADJUSTER CABLE
ADJUSTMENT
(Model 921023)
(Figure 34)
1. Make sure that height adjustment lock
finger is fully engaged (Figure 34).
2. Loosen jam nuts on cable mount
bracket.
3. Adjust the jam nuts to remove all cable
slack and bring the overtravel arm into
slight contact with the right end of the
slot in the height adjuster lock finger.
4. Tighten the jam nuts.
Pin on overtravel arm
makes slight contact
with end of slot.
1
1. Height Adjuster Lock Finger
2. Overtravel Arm
3. Height Adjuster Cable
4. Jam Nuts
EN - 31
Figure 33
2
Before adjusting ensure
4
that height adjuster lock
finger is fully engaged.
Figure 34
3