OPERATION
Tennant 1520 (10–01)
7
WHILE OPERATING MACHINE
1.
Periodically check for foam buildup in recovery
tank (look through clear lid). If excessive foam
buildup begins to develop, pour a recommended
foam control solution into recovery tank.
ATTENTION: Do not allow foam or water to enter
float shut–off screen, vacuum motor damage will
result. Foam will not activate float shut–off
screen. Vacuum motor damage due to foam or
water is not covered under the warranty.
2.
Always operate at a slower speed when cleaning
around walls or obstacles.
3.
Always reduce speed to maintain control when
turning machine.
4.
Overlap each pass by 50mm (2 in).
5.
Before reaching end of cleaning path, turn off
pump switch and continue to drive machine
forward to extract solution.
6.
While cleaning, view clear hose gallon marker for
remaining cleaning solution. Each mark on hose
indicates 19L (5 gal).
7.
When solution tank runs dry, turn off pump and
vacuum switches, raise brush, and transport
machine to draining area (See Draining Tanks).
8.
If the cleaning path leaves streaks, spray tip
cleaning is required (See Weekly Maintenance).
WARNING: Flammable materials or reactive
metals can cause an explosion or fire. Do not pick
up.
FOR SAFETY: When using machine, do not run
machine over cord. Do not pull cord around sharp
edges or corners and do not stretch cord.
CIRCUIT BREAKERS
The machine is equipped with two circuit breakers, Drive
Motor (4.5 Amp – resettable) and Brush Motor (2.0 Amp
– resettable), to protect machine from damage. If a
circuit breaker should trip, determine cause, allow motor
to cool and then manually reset breaker (Figure 8).
FIG. 8
OPTIONAL ACCESSORY TOOL SETUP
AND OPERATION
Machine is equipped with accessory tool connections.
Accessory tool enables you to reach areas that the
machine is unable, such as alcoves, stairs and corners
(See Options at back of manual).
1.
Vacuum area before cleaning.
2.
Fill solution tank and add cleaning chemical (See
Filling Solution Tank). NOTE: Pre-spraying
chemical by use of a pump- up sprayer may be
used as an alternative.
WARNING: Flammable materials can cause
an explosion or fire. Do not use flammable
materials in tank(s).
3.
Disconnect lower vacuum hose at rear of machine
and replace with accessory vacuum hose
(Figure 9).
FIG. 9
4.
Connect solution hose to accessory tool coupler,
located at lower rear of machine (Figure 10).
FIG. 10
