Tennant Walk-Behind Scrubber 5680

FaST water and air filters (option): Replace

FOR SAFETY: Before leaving or servicing machine, stop on level surface, set parking brake (if so equipped), turn off machine, and remove key.

Every 1000 hours replace the water filter and air filter located in the FaST detergent injector. Order filter kit p/n 9003009.

To access the detergent injector assembly, lower the scrub head and remove the front cover.

Remove the injector assembly from clamps.

Replace the water and air filter. An 8mm hex wrench required to install new water filter.

Scrub brush motors: Check motor brushes

Propelling motor: Check motor brushes

Transaxle: Check lubricant level

Did you lubricate the rear caster with Lubriplate EMB grease?

Cylindrical scrub brush drive belts: Check tension

Safety Precautions: Before leaving or servicing machine, stop on level surface, set parking brake (if so equipped), turn off machine, and remove key.

Enter the new belt tension (should be a 3 mm (0.1 in) deflection from a force of 1.37 to 1.48 kg (3.0 to 3.26 lb) at the belt midpoint)

Enter the old belt tension (should be a deflection of 3 mm (0.1 in) with a force of 1.03 to 1.14 kg (2.28 to 2.52 lb))

Did you check the belt tension and wear?

Sign off on the maintenance check

Check squeegee for damage and wear

Check squeegee deflection and leveling

Check scrub brushes or pads for damage and wear

Clean recovery tank float sensor

Clean recovery tank vacuum fan filter

Clean recovery tank debris screen (option)

Battery cells: Check electrolyte level

NOTE: Do Not check the electrolyte level if the machine is equipped with a battery watering system.

FOR SAFETY: When servicing machine, keep all metal objects off batteries. Avoid contact with battery acid.

The electrolyte level is slightly above the battery plates before charging.

After charging, distilled water is added up to about 3 mm (0.12 in) below the sight tubes.

NOTE: Make sure the battery caps are in place while charging. There may be a sulfur smell after charging batteries. This is normal.

FOR SAFETY: Before leaving or servicing machine, stop on level surface, turn off machine, and remove key.

The lifetime of the batteries depends on their proper maintenance. To get the most life from the batteries

Do not charge the batteries more than once a day and only after running the machine for a minimum of 15 minutes.

Warning: For trained personnel only. Keep all metallic objects off the batteries.

Check for loose battery connections

Clean the surface of the batteries, including terminals and cable clamps, with a strong solution of baking soda and water

Check for worn or damaged wires

Do not remove battery caps when cleaning batteries.

Sign off on the battery terminal / cable maintenance