Nilfisk-ALTO 46/53 manual Problem, Probable Cause, Remedy, General Troubleshooting

GENERAL TROUBLESHOOTING

PROBLEM		PROBABLE CAUSE		REMEDY
Sweeping Does Not	1. Dump door open		1. Close dump door.
	2.	Hopper is raised	2.	Lower hopper
Function.
	3.	Hopper switch out of adjustment	3.	Adjust hopper switch
	1. Side or rear squeegee are worn or		1. Examine squeegee rubber
		damaged.		blade for cuts or worn spots.
				Replace if necessary.
	2.	Clogging in water pick-up.	2.	Repair or replace hose and
				connections.
Poor Water Pick-Up At	3. Air leaks in suction hose and		3.	Repair or replace gaskets.
Squeegee.		connection
	4. Air leaks at recovery tank cover		4. Check vacuum motor.
		and/or manifold gaskets.
	5.	Poor vacuum	5.	Check seal on recovery tank.
	6.	Drain hose or drain plug leakage or	6.	Close, repair or replace drain
		not closed properly.		plug in recovery tank.
	1. Side squeegee blades, poor		1. Readjust blades for proper
		contact with floor.		contact.
Water Spills From	2.	Squeegee blades worn or	2.	Replace and adjust
		damaged.
Squeegee.
	3.	Too much solution being applied	3.	Shut off solution flow 5 to 10
		before making turns.		feet.
	4. Brushes rotating opposite direction.		4. Check position of switches
	1. Clogged suction hose or pick-up		1. Disconnect suction hose from
		tool.		squeegee, flush squeegee &
				hoses thoroughly.
	2.	Loose connections between suction	2.	Check all hose connections
		hose & squeegee or between hoses		for looseness or damage.
		of manifold inlet.
	3.	Vacuum motor not operating.	3.	Check hydraulic motor in
Lack Of Suction At Rear.				recovery.
	4. Vacuum float cage clogged.		4. Clean perforated metal
				thoroughly.
	5.	Vacuum float shut off	5.	Excessive solution in
				recovery drain tank.
				Excessive foam build up,
				change cleaning chemical
				mixture. Use A-L approved
				materials.

American-Lincoln	1-47
ATS 46/53 Battery