OPERATION
8
Tennant 1520 (10–01)
5.
Connect accessory tool to solution hose and
vacuum hose (Figure 11).
FIG. 11
6.
Plug cord into a grounded wall outlet.
FOR SAFETY: Do not operate machine unless
cord is properly grounded.
7.
Turn on main, pump and vacuum switches.
8.
Take accessory tool and begin cleaning at top of
area and work backwards toward machine.
WARNING: Flammable materials or reactive
metals can cause an explosion or fire. Do not pick
up.
9.
Place accessory tool head on area to be cleaned;
squeeze trigger, apply downward pressure on
accessory tool head, and slowly pull tool
backwards. Release trigger 152mm (6 in) from
end of stroke (Figure 12).
FIG. 12
10. When returning for next stroke, push accessory
tool forward over same path with trigger released.
Continue this pull and push method with a 2 to 4
in. overlap of each stroke.
NOTE: For heavily soiled areas, repeat stroke or
change angle of stroke.
11. Empty recovery tank when solution tank runs dry
(See Draining Tanks).
ATTENTION: Do not allow foam or water to enter
vacuum standpipe, vacuum motor damage will
result. Float shut-off screen will not keep foam
out of standpipe. Vacuum damage due to foam or
water is not covered by warranty.
DRAINING TANKS
WARNING: Hazardous voltage. Shock or
electrocution can result. Unplug machine before
servicing.
NOTE: Raise brush/pickup head when transporting
machine to floor drain.
DRAINING RECOVERY TANK
Always empty recovery tank each time you refill
solution tank. To drain recovery tank, perform the
following steps:
ATTENTION: If recovery tank is not emptied
between fill–ups, foam or water will enter vacuum
standpipe and damage vacuum motor. Float
shut–off screen will not keep foam out of
standpipe.
1.
Turn machine off and unplug cord from wall outlet.
2.
Remove drain hose from holder, position hose
over floor drain and twist off drain hose plug. To
completely drain recovery tank, hinge open tank
and flip up tank support stand to rest tank on
(Figure 13).
NOTE: If using a bucket for filling and draining make
sure you use different buckets. This will prevent
possible solution line clogs.
FIG. 13
3.
Rinse out recovery tank after each use. This will
prevent a foul odor and residue buildup in tank.
Unscrew clear lid on recovery tank and rinse out
the tank with hose. Be careful not to spray water
into float shut–off screen.
4. Replace drain hose plug tightly when tank is
empty.
