ADJUST TRACK TENSION
Model 920022
1. Check tension by applying pressure to
track between the upper and rear track
rollers. Deflection should be
approximately 9.5 mm (3/8"). See
Figure 35.
Apply pressure here.
Figure 35
2. Adjust tension as needed with track
adjusters. Tighten nut to increase tension;
loosen nut to decrease tension. See
Figure 36.
Figure 36
If unit does not travel correctly, adjust track
tension. See Figure 36.
• If unit pulls to the left, tighten the left track
adjuster.
• If unit pulls to the right, tighten the right
track adjuster.
Adjust here.
ADJUST HEIGHT ADJUSTMENT
CABLE
Model 920022
See Figure 37.
NOTICE: Make sure height adjuster lock
finger is fully engaged before making
adjustments.
1. Loosen jam nuts on cable mount bracket.
2. Adjust jam nuts to remove cable slack.
Overtravel arm must lightly touch the right
end of the slot in the height adjuster lock
finger.
3. Tighten jam nuts.
Check arm
position
here.
1
1. Height-adjuster Lock Finger
2. Overtravel Arm
3. Height-adjuster Cable
4. Jam Nuts
EN - 21
2
3
4
Figure 37
1
1