Simpson MS60920 - Troubleshooting Engine Starting Issues; Engine Will Not Start; Troubleshooting Pressure Issues; No or Low Pressure (Initial Use)

21 - ENG
TROUBLE SHOOTING GUIDE
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
Engine will
not start
(see Engine
Owner's
Manual for
further engine
troubleshooting)
No fuel Add fresh fuel
Pressure builds up after
two pulls on the recoil
starter or after initial use
Squeeze gun trigger to relieve
pres sure
Choke lever in the
"OPEN" position
Move choke to the "CLOSED"
po si tion
Spark plug wire not attached Attach spark plug wire
Engine switch in OFFpo si tion. Place engine switch
in ONposition
Choke lever in the "CLOSED"
position on a "hot" engine
or an engine that has been
exposed to thermal heat
for a long period oftime
Move choke to the
"OPEN"po si tion
No or low
pressure
(initial use)
Spray wand has black nozzle
installed, change nozzle
See How to Use Spray
Wand instructions in the
Operation Section
Low water supply Water supply must be at
least 5 gpm @ 20 PSI
Leak at high pressure
hose fitting
Repair leak. Replace O-Ring
Nozzle obstructed See Nozzle Cleaning
instructions in the
Maintenance section
Water filter screen clogged Remove and clean filter.
See Cleaning Water Inlet
Filter paragraph in the
Maintenance section for
the correct procedure
Air in hose or pump 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
Choke in the
"CLOSED" position
Move choke to the
“OPEN” po si tion
High pressure hose is too long Use high pressure hose under
100 feet (30m)