OPERATION
8
Tennant 3620 (01–02)
REPLACING AND ADJUSTING THE SIDE BRUSH
FOR SAFETY: When servicing machine,
disconnect battery connections before working on
machine.
To Replace Side Brush:
1.
Lift the front part of the machine.
2.
Slacken the brush fixing screw and remove the
brush.
3.
Replace the brush and secure the new one in
place with the screw and its washer.
To Adjust Side Brush:
1.
The side brush is adjusted by loosening two
screws (Figure 4).
2.
Position the brush using screw slots to adjust
required height. Once you have positioned it,
tighten the two screws.
Adjustment
Screws
FIG. 4.
REPLACING AND ADJUSTING THE MAIN BRUSH
FOR SAFETY: When servicing machine,
disconnect battery connections before working on
machine.
To Replace Main Brush:
1.
Remove the front waste bin and slacken the four
fixing screws to remove the brush.
2.
When mounting a new brush, pay attention to the
direction in which the brush will spin; it must direct
dirt toward the center of the machine.
To Adjust Main Brush Height:
1.
Remove the upper cover.
2.
Loosen the knurled lock nut below the adjustment
handle and turn handle in the direction desired
(counterclockwise to increase pressure).
(Figure 5)
3.
If brush is properly adjusted, bristles should bend
slightly against the cleaning surface (1/4”
penetration). Retighten knurled lock nut after
achieving proper adjustment.
FIG. 5.
REPLACING AND ADJUSTING THE BELTS
FOR SAFETY: When servicing machine,
disconnect battery connections before working on
machine.
To prepare the machine for belt replacement:
1.
Remove the upper cover and the front waste bin.
2.
To replace or adjust drive belt: Remove the left
wheel, bumper, side guard and belt pulley cover.
To replace side brush belt: Remove the right
wheel, bumper and side guard.
3.
With the machine dismantled in such a manner,
proceed to the following replacement instructions.
