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TROUBLESHOOTING
Problem
Poor water pick-up
Poor sweeping performance
Poor scrubbing performance
Inadequate solution flow
Hydro-Max™II
Problem
Chemical not drawn
from chemical tank
Recovery tank float shuts off
Solution flow stops
48 - FORM NO. 56041426 - Hydro-Retriever
Possible Cause
Worn or torn squeegee blades
Squeegee out of adjustment
Recovery tank full
Open recovery tank drain hose
Recovery tank cover gasket Leak
Debris caught in squeegee
Vacuum hose clogged
Vacuum filter clogged
Using too much solution
Debris tray filled
Broom out of adjustment
Broom bristles worn or curved
Broom housing skirts damaged or worn
Brush bristles worn, curved
Wrong brush for job
Wrong cleaning chemical for job
Moving machine too fast
Not using enough solution
Not using enough solution
Solution tank empty
Solution lines or valves clogged
Solution control valves not open
Solution solenoid switch OFF
Possible Cause
Metering barb or injector clogged
Reached system capacity
Transfer pump not working
Solution tank empty
™
2052 / CR 1300
Remedy
Reverse or replace
Adjust so blades touch floor evenly
across entire width
Empty recovery tank
Secure drain hose cap or replace
Replace gasket
Clean squeegee
Remove debris
Clean or replace filter
Adjust solution control valves
Empty tray
Adjust broom
Replace or rotate broom
Replace skirts
Rotate or replace brushes
Consult Nilfisk-Advance Dealer
Consult Nilfisk-Advance Dealer
Slow down
Adjust solution control valves
Adjust solution control valves
Fill solution tank
Flush lines and valves
Adjust solution control valves
Turn switch ON
Remedy
Clean barb in hot soapy water,
blow air through injector
Drain tanks and clean system
Check control panel switch or pump may be clogged
Fill solution tank
revised 2/00
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