OPERATION
Tennant T3e (11--08)
21
FaST SYSTEM MAINTENANCE
Every 1000 hours replace the water filter and air filter
located in the FaST detergent injector. Order filter kit
p/n 9003009.
1. To access the detergent injector assembly, lower
the scrub head and remove the front cover. Then
remove the injector assembly from clamp
(Figure 51).
FIG. 51
2. Remove the injector assembly from clamps
(Figure 52).
FIG. 52
3. Replace the water and air filter. An 8mm hex wrench
required to install new water filter (Figure 53).
Water Filter
(50 Mesh/Brown)
Air Filter
(50 Mesh/Brown)
FIG. 53
ec- H2O
MODULE FLUSH PROCEDURE
This procedure is only required when an alarm sounds
and the
ec--H2O
system indicator light begins to blink
red.
1. Drain the solution tank and recovery tank of all
water.
2. Pour 1 gallon (4 liters) of white vinegar into the
solution tank at full strength. Do not dilute.
NOTE:
Use
white or rice vinegar
only. The acidity
level should be between 4--8%. Do not use other acids
for this procedure.
FOR SAFETY: When servicing machine, wear
protective gloves and eye protection when
handling vinegar.
3. Disconnect the black connector fitting at the scrub
head and place the hose into a bucket (Figure 54).
To access the connector fitting, you may have to
remove the front cover from the machine.
FIG. 54
4. Turn the key to the on ( I ) position.