Tennant Scrubber--Sweeper M20

NOTE: Replace FaST System Filter

Remove both flush hoses from the storage bag located behind the operator seat

Lock the operator seat cover open

Disconnect the ec--H2O system intake hose from the solution supply hose and connect the intake flush hose (gray connector) to the ec--H2O system intake hose

Disconnect the ec--H2O system outlet hose from the hose to the scrub head and connect the outlet flush hose (black connector) to the ec--H2O system outlet hose

Place the ec--H2O system intake hose into a container containing 5 gallons (19 liters) of white or rice vinegar. Place the outlet hose into an empty bucket

Turn the key to the on position without starting the engine

Press and release the ec--H2O module flush switch to start the flush cycle

NOTE: The module will automatically shut off when the flush cycle is complete (approx. 7 minutes). The module must run the full 7 minute cycle in order to reset the system indicator light and alarm

Clean core exterior of hydraulic cooler

Lubricate Rear squeegee casters

Check Scrub head skirt for damage or wear

Check fluid level in Hydraulic fluid reservoir

Check tank cover seals for damage or wear

Check main brushes for damage and wear

Shake Hopper dust filter to clean

Check Side Squeegee Blades for damage and wear

Clean hopper, debris screen, and hose

Check coolant level in reservoir

Lubricate Front wheel support bearings

Check Radiator hoses and clamps for tightness and wear

Lubricate Hopper lift arm pivots

Clean and lubricate Hopper lift arm latch