OPERATION
6
Tennant 1520 (10–01)
MACHINE OPERATION
PRE–OPERATION CHECKS
S
Vacuum floor and remove any debris.
S
Inspect power cord for damage. Make sure power
cord is properly grounded.
S
Check that spray bar is installed (See Weekly
Maintenance).
S
Check that inline strainer filter is installed.
S
Inspect spray tips for proper spray pattern
(See Weekly Maintenance).
FOR SAFETY: Do not operate machine unless
operator manual is read and understood.
1.
Turn main power switch on.
2.
Lower brush to floor by depressing the
Brush/Pickup Head UP/DOWN switch (Figure 5).
FIG. 5
3.
Position the Interim/Restorative switch to the
desired cleaning mode (Figure 6).
FIG. 6
Interim Cleaning Mode: Use this mode
for routine carpet surface cleaning. This mode will
allow you to operate the machine up to a cleaning
pace of approximately 30m (100 ft) per minute.
NOTE: Restorative cleaning must be done on a
regular basis in order for interim cleaning to be
effective.
Restorative Cleaning Mode: Use this
mode for restoring heavily soiled carpet areas.
You must operate the machine at a cleaning pace
of approximately 15m (50 ft) per minute for
optimum cleaning results. Turn the speed control
knob just shy of half way for a pace of
approximately 15m (50 ft) per minute.
NOTE: The solution flow rate is regulated per cleaning
mode. Interim Cleaning Mode = 2.3L (77 oz.) per
minute. Restorative Cleaning Mode= 4.1 L (139 oz.)
per minute.
4.
Turn the vacuum and pump switches on.
NOTE: The brush and pump will start once control
grips are rotated.
5.
Before you begin cleaning, turn speed control
knob to slowest speed (Figure 7).
FIG. 7
6.
To begin cleaning, rotate control grips completely
forward and gradually turn speed control knob to
desired cleaning speed (Figure 7).
WARNING: Flammable materials or reactive
metals can cause an explosion or fire. Do not pick
up.
7.
To stop machine, release control grips.
8.
After cleaning carpets, allow sufficient time for
carpet to dry. Use a carpet blower to reduce drying
time.
