Simpson Clean Machine CM60912 Instruction Manual page 21

OPERATIONAL
ISSUE
No or low
pressure
(initial use)
Will not draw
chemicals
No or low
pressure
(after period of
normal use)
POSSIBLE CAUSE
Spray wand has black nozzle
installed, change nozzle
Low water supply
Leak at high pressure
hose fitting
Nozzle obstructed
Water filter screen clogged
Air in hose or pump
Choke in the "CHOKE"
position
High pressure hose is too long Use high pressure hose under
Spray wand does not have
black nozzle installed,
change nozzle
Chemical filter clogged
Chemical too thick
Pressure hose is too long
Debris in chemical injector
Pump Malfunction
SOLUTION
See How to Use Spray
Wand instructions in the
Operation Section
Water supply must be at
least 5 gpm @ 20 PSI
Repair leak. Replace O-Ring
See Nozzle Cleaning
instructions in the
Maintenance section
Remove and clean filter.
See Cleaning Water Inlet
Filter paragraph in the
Maintenance section for
the correct procedure
Turn off the engine, then the
water source. Disconnect
the water source from the
pump inlet and turn the water
source on to remove all air
from the hose. When there
is a steady stream of water
present, turn water source
off. Re- con nect water source
to pump inlet and turn on
wa ter source. Squeeze trigger
to re move re main ing air
Move choke to the
"RUN" po si tion
100 feet (30 m)
See How to Use Spray
Wand paragraph in the
Operation Section
Clean filter
Dilute chemical. Chemical
should be the same
consistency as water
Lengthen water supply hose
instead of high pressure hose
Please contact our customer
service department at
www.simpsoncleaning.com
Please contact our customer
service department at
www.simpsoncleaning.com
21 - ENG