Draining Tanks; Machine Maintenance - Tennant EH2 Manuel De L'opérateur

EN
English
NOTE: When the recovery tank is full, the ball float screen will
shut-off the suction to prevent the machine from overflowing.
The ball float screen may not work if there is too much foam in
the tank. Always use defoamer to prevent overflow.
10. When finished with the job, shut off all switches. Before
disconnecting solution hose relieve the water pressure from
the wand by holding the lever on the wand.
CAUTION: When disconnecting solution hose coupler wear
protective gloves to avoid burn hazard.

DRAINING TANKS

DRAINING SOLUTION TANK
When finished with the job, suction out any unused solution
from the solution tank. Place the end of the vacuum hose that
was attached to the wand into the solution tank and turn the
vacuum switch on.
DRAINING RECOVERY TANK
1. Turn off all switches.
2. Drain the recovery tank by holding the end of the drain
hose with the cap above the machine. Remove the cap
on the drain hose. Lower the drain hose over a drain or a
bucket to drain the recovery tank.
8 8

MACHINE MAINTENANCE

To keep machine in good working condition, simply follow
machine maintenance procedures
FOR SAFETY: When servicing machine,
unplug cords from wall outlets. Wear
appropriate personal protection
equipment as needed.
AFTER EACH USE
1. If chemicals are used in solution tank flush system with
clean water by running the machine using clean water at
the end of each job.
2. Drain and rinse out recovery tank.
3. Remove the Ball Float Screen, unscrew the Solution Tank Inlet
Filter. Remove any debris from the scree and filter. Be sure to
replace Ball Float Screen and Solution Tank Inlet Filter securely.
4. Wipe down the machine with a damp cloth. Do not hose off
or power spray machine.
5. Inspect solution hose and vacuum hose for cracks or damage
Do not use hose if damaged.
6. Store extractor with tank covers off to promote air circulation
7. Inspect electrical cord ends on the machine and the power
cords used with the machine for damage. Replace power
cords if damaged and contact service center or a qualified
service person if cord ends on machine are damaged.
8. Coil power cords neatly after each use and store on
machine.
AFTER 80 HOURS OF USE
Flush solution lines, pump and heater with a descaling solution
(such as white vinegar) to remove mineral accumulation which may
have formed from the use of hard water. Remove spray tips from
wand and soak in a descaling solution. Re-attach wand and hose to
machine. Pour solution into solution tank and run solution through
system by turning on pump and activating wand. Do not recycle
solution as it will carry small mineral deposits. After running solution
through system flush with clean water and reinstall spray tips.
.
Ball Float
Screen
Solution
Tank Inlet
Filter
Tennant EH2 (01/2014)
.