American-Lincoln 7760 Operator's Manual download pdf (Page 52)

AMERICAN-LINCOLN 1-51

7760

GENERAL TROUBLESHOOTING

PROBLEM

PROBABLE CAUSE

REMEDY

Sweeping does not

function

1. Dump door closed

2. Hopper is raised

3. Hopper switch out of adjustment

1. Open dump door

2. Lower hopper

3. Adjust hopper switch

1. Examine squeegee rubber blade for

cuts or worn spots.

2. Repair or replace hose and connection

3. Repair or replace gaskets

4. Check vacuum motor

5. Check seal on recovery tank

6. Close, repair or replace drain plug in

recovery tank.

Lack or suction at rear

1. Clogged suction hose or pick up tool

2. Loose connections between suction hose

and squeegee or between hoses or

manifold inlet.

3. Vacuum motor not operating

4. Vacuum float cage clogged

5. Vacuum float shut off

Poor water pick up at

squeegee

1. Side or rear squeegee are worn or damaged

2. Clogging in water pick up

3. Air leaks in suction hose and connection

4. Air leaks at recovery tank cover and/or

manifold gaskets

5. Poor vacuum

6. Drain hose or drain plug leakage or not

closed properly..

Water spill from squeegee

1. Side squeegee blades, poor contact with

floor

2. Squeegee blades worn or damages

3. Too much solution being applied before

making turns

4. Brushes rotating opposite direction

1. Readjust blades for proper contact

2. Replace or adjust

3. Shut off solution flow 5' to 10'

4. Check position of switches.

1. Disconnect suction hose from

squeegee; flush squeegee & hoses.

2. Check all hose connections for

looseness or damage.

3. Check hydraulic motor in recovery

4. Clean perforated metal thoroughly

5. Excessive solution in recovery drain

tank. Excessive foam build up,

change cleaning chemical mixture.

Use A-L approved materials.

1 2 ... 47 48 49 50 51 52 53 54 55

Comments to this Manuals

No comments