MAINTENANCE
49
5700EE 331535 (9--06)
NOTE: If the red “ABNORMAL CYCLE” lamp
lights when the TENNANT charger is plugged into
a wall outlet, the charger cannot charge the
battery and there is something wrong with the
battery.
8. The TENNANT charger will start
automatically. When the batteries are fully
charged, the TENNANT charger will
automatically turn off.
9. After the charger has turned off, unplug the
charger from the wall outlet.
10.Unplug the charger connector from the
battery connector on the machine.
FOR SAFETY: When maintaining or
servicing machine, avoid contact with
battery acid.
11. Check the electrolyte level in each battery
cell after charging. If needed, add distilled
water to raise the electrolyte level to about
12 mm (0.4 in) below the bottom of the sight
tubes.
12. Lower the solution tank.
13. Pull up on the support arm and rotate the
stop arm out of the way to allow the solution
tank to close completely.
ELECTRIC MOTORS
The carbon brushes on the vacuum fan motor
should be inspected after every 500 hours of
machine operation. The carbon brushes on the
scrub brush motors and propelling motor should
be inspected after every 1000 hours of machine
operation.