Nilfisk-Advance Hydro-Retriever 2052, Instructions For Use Manual

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34 - FORM NO. 56041406 / Hydro-Retriever ™ 2052 revised 3/00
TROUBLESHOOTING
Problem Possible Cause Remedy
Poor water pick-up Worn or torn squeegee blades Reverse or replace
Squeegee out of adjustment Adjust so blades touch floor evenly
across entire width
Recovery tank full Empty recovery tank
Open recovery tank drain hose Secure drain hose cap or replace
Recovery tank cover gasket Leak Replace gasket
Debris caught in squeegee Clean squeegee tool
Vacuum hose clogged Remove debris
Using too much solution Adjust solution control valves
Impeller belts loose Adjust belt tension or replace belts
Poor sweeping performance Using too much solution Adjust solution control valves
Debris tray filled Empty tray
Broom out of adjustment Adjust broom
Broom bristles worn or curved Replace or rotate broom
Broom housing skirts damaged or worn Replace skirts
Poor scrubbing performance Brush bristles worn, curved Rotate or replace brushes
Wrong brush type Consult Nilfisk-Advance Distributor
Wrong cleaning chemical Consult Nilfisk-Advance Distributor
Moving machine too fast Slow down
Not using enough solution Adjust solution control valves
Inadequate solution flow Solution tank empty Fill solution tank
or no solution
Solution lines, valves & filter clogged Flush lines and clean solution filter
Solution control valves not open Adjust solution control valves
Solution solenoid switch OFF Turn switch ON
Hydro-Max™ II
Problem
Possible Cause Remedy
Chemical not drawn Metering barb or injector clogged Clean barb in hot soapy water,
from chemical tank blow air through injector
Recovery tank float shuts off Reached system capacity Drain tanks and clean system
Transfer pump not working Check control panel switch
or pump may be clogged
Solution flow stops Solution tank empty Fill solution tank