Operating instructions

23
Maintenance
Trouble Shooting
PROBLEM CAUSE SOLUTION
Loss of Power
Dead electrical circuit Check building circuit breaker or fuse box
Faulty power cord Replace
GFI breaker is tripped Reset breaker on power cord
Electrical shock
Equipment not grounding Follow grounding instructions exactly
Receptacle not grounded Contact an electrician to check building’s wiring
Internal wiring problem
Have a trained service technician check machine’s
wiring
Vac motor speed varies or
doesn’t run
Worn motor brushes Replace
Motor worn out Replace
Faulty switch Replace
Loss of Vacuum
Loose vacuum dome Center and seal dome over tank
Vacuum circuit breaker tripped Reset breaker
Crack in dome of poor joint Replace or repair using acrylic plastic cement only
Lint or dirt clogging vacuum
screen
With power off, clean screen
Loose cuffs on vacuum hose Tighten cuffs turning counterclockwise
Vac motor seals leaking Replace
Floor tool vac chamber clogged Wash out with hose, Pick lint out with a wire
Vac motor, hose, or dome
gasket
Replace
Pump runs no solution
Pump inlet screen plugged Clean inlet screen
Pump circuit breaker tripped Reset breaker
Faulty pump switch Call for service
Faulty pump motor Call for service
Pump air locked
Press trigger to open valve on cleaning wand to
relieve air
Internal or external solution line
damaged and leaking
Replace
Pump runs, loss of pressure
Jet orifice on cleaning wand is
too large
Total jet opening for 100 psi should be .06 to .08
Internal pump components
wearing out
Replace, see pump kit components (pg 20)
Note: Operation of pump using a wand or hand tool with an orifice of less than .06
will cause pump to cavitate or pulsate and could result in premature wear of pump
components.
Check valves in pump head for
particles or cuts in seals
Take piston from BPR and lubricate with Super-
lube. If problem still exists change BPR kit
Pump will not run
Unit not plugged in Connect unit to 3 prong grounded outlet
Loose wiring See dealer
Solution hose fitting hard to
connect
Corrosion on fittings
Clean with steel wool. Soak in acetic acid (white
vinegar). Lubricate lightly with silicone base lubri-
cant.
86343680 AP 100-50 M