Tennant 5400 Manual Del Operador página 18

OPERATION
8. If brush pattern represents one of the incorrect
patterns, adjustment is required.
To adjust cylindrical brush with uneven pattern:
1. Lower scrub head to floor and apply maximum
down pressure.
2. Turn off machine and remove key.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off machine,
and set parking brake, if equipped.
3. Measure distance from bottom edge of scrub head
to floor at all four corners (Figure 39).
FIG. 39
4. If scrub head is not level, loosen lock nut and turn
scrub head leveling screw clockwise to lower rear
brush width or counter–clockwise to lower front
brush width, 1 inch wrench required (Figure 40).
FIG. 40
5. Recheck brush pattern, readjust if necessary.
To adjust cylindrical brush with tapered pattern:
1. Raise scrub head off floor and remove key.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off machine,
and set parking brake, if equipped.
2. Remove idler plate that has the tapered brush
pattern. To remove idler plate from scrub head,
push spring mount tab downward, then pull bottom
of plate down and outward (Figure 41).
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FIG. 41
3. Pull idler plate off end of brush.
4. Hold brush plug shaft with .375 inch wrench and
loosen Allen head screw, 6 mm Allen wrench
required (Figure 42).
FIG. 42
5. When adjusting front brush, turn shaft clockwise to
lower brush end. If adjusting rear brush, turn shaft
counter–clockwise to lower brush end. Retighten
Allen screw after adjusting (Figure 43).
FIG. 43
6. Replace idler plate and recheck brush pattern,
readjust if necessary.
Tennant 5400 (05–03)