OPERATION
EN
Tennant T5 (06--06)
19
ADJUSTING SCRUB HEAD BRUSHES
To ensure optimum scrubbing performance periodically
check the scrub head for proper adjustment.
FOR SAFETY: Before adjusting scrub head, stop
machine on level surface, remove key and set
parking brake if equipped.
DISK MODEL
Tools required: Measuring device, 27mm wrench and
24mm wrench
1. With brushes installed, lower the scrub head and
apply medium brush pressure.
2. Turn machine off and remove key.
3. From the center front and back of scrub head,
measure the distance from the top edge of scrub
head to the floor (Figure 47).
FIG. 47
4. If scrub head is not level, loosen the lock nut and
turn the scrub head leveling screw to level. Tighten
down the lock nut once head is level (Figure 48).
Lock
Nut
FIG. 48
CYLINDRICAL BRUSH MODEL
After installing a new set of cylindrical brushes check
the brush pattern to ensure proper brush adjustment.
Brushes that are not properly adjusted will result in
premature wear and poor scrubbing performance
(Figure 49).
CORRECT BRUSH PATTERN
INCORRECT BRUSH PATTERNS
Even
Pattern
Tapered
Pattern
Uneven
Pattern
FIG. 49
To Inspect the Brush Pattern:
1. Position the machine on a dry dusty floor or apply a
powdered substance, such as chalk.
2. Disconnect the drive motor wire connector to keep
machine from moving forward (Figure 50).
FIG. 50
3. Lower the scrub head to the floor and apply
maximum brush pressure.
4. Shut off the solution flow.
5. Pull the control handle bail to create a brush
pattern on the floor.
6. Raise the scrub head and pull the machine away.
7. Observe the brush pattern on floor. If the brush
pattern is uneven or tapered, adjustment is
required.
8. Reconnect drive motor wire.
