5

1

3

 

 

7

2

4

 

 

 

 

 

 

6

1.

Hex Shaft

4.

Friction Disc

2.

Bearing

5.

Spring Clip

 

Flange

6.

Drive Plate

3.

Speed

 

Assembly

 

Selector

7.

Drive

 

Arm

 

Sprocket

 

Figure 47

 

OS7142

TRACK TENSION ADJUSTMENT

Loosen the adjuster nut to reduce track tension.

2.Check that unit tracks straight with no pulling to either side.

Track

Adjusters

Figure 49

OS7228

 

HEIGHT ADJUSTER CABLE ADJUSTMENT (921023)

(Figure 50)

1.Make sure that height adjustment lock finger is fully engaged (Figure 50).

2.Loosen jam nut on cable adjustment barrel.

3.Turn the adjustment barrel to remove all cable slack and bring the overtravel arm until it makes slight contact with the right end of the slot in the height adjuster lock finger.

4.Tighten the jam nuts.

(921023)

(Figure 48 and 49)

Check the track tension by applying pressure on the track midway between the upper and rear track rollers. Deflection should be approximately 3/8 in. (9.6 mm) (Figure 48).

If deflection is excessive, tighten the track tension.

3/8 in. (9.6 mm)

Pin on overtravel arm makes slight contact 2 with end of slot.

1

3

Figure 48

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 49):

1.Tighten the adjuster nut to tighten the track tension.

4Before adjusting ensure that height adjuster lock finger is fully engaged.

1.Height Adjuster Lock Finger

2.Overtravel Arm

3.Height Adjuster Cable

4.Jam Nuts

Figure 50

OS7229

 

GB - 35