OPERATION
20
Tennant 5400 (05--03)
CYLINDRICAL SCRUB HEAD
Cylindrical brushes should be replaced if bristles are
worn to a length of 10 mm (0.38 in) or less.
NOTE:
Always replace brushes as a set. Never
replace just one.
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 plates from scrub head. To remove
idler, push spring mount tab downward, then pull
bottom of plate down and outward (Figure 46).
FIG. 46
3. Pull idler plate off end of brush. Remove brush
from scrub head.
4. Install idler plate on new brush and reinstall brush
(Figure 47).
NOTE:
Make sure end of brush that has a double row
of bristles goes towards the idler plate.
DOUBLE ROW OF BRISTLES
FIG. 47
5. Repeat steps for other brush on opposite side of
scrub head.
6. Check brush adjustment (See ADJUSTING
SCRUB HEAD).
CHANGING SCRUB HEADS
Two types of scrub heads are available for the 5400
model, disc brush and cylindrical brush. They are
easily interchangeable.
The disc brush scrub head is designed to scrub
smooth surfaces without debris, and the cylindrical
brush scrub head is designed to scrub tile and uneven
floors with small, light debris.
1. Lower scrub head to floor, do not apply any down
pressure.
2. Turn machine off, remove key and set parking
brake, if equipped.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off machine,
and set parking brake, if equipped.
3. Remove shroud located above scrub head. The
hex spacer is required for cylindrical brush scrub
head only (Figure 48).
CYLINDRICAL BRUSH SCRUB HEAD
DISC SCRUB HEAD
HEX SPACER
FIG. 48
