
Troubleshooting
24
3A4637A Operation, Repair, Parts
Troubleshooting
Problem
Cause
Solution
Engine won’t start
Engine is out of gas
Refill gas tank. Briggs & Stratton Owner’s
Manual.
Engine oil level is low
Check oil level. Replenish oil, if necessary.
Briggs & Stratton Owner’s Manual.
Spark plug is disconnected or damaged Connect spark plug cable or replace spark
plug.
Cold engine
Use choke
Fuel shutoff / Engine kill switch is OFF Move lever to ON position.
Oil is seeping into combustion chamber Remove spark plug. Pull starter 3 to 4
times. Clean or replace spark plug. Start
engine. Keep sprayer upright to avoid oil
seepage
Engine operates, but displacement pump
does not operate
Pump switch is OFF
Turn pump switch ON
Pressure setting too low
Turn pressure adjusting knob clockwise to
increase pressure
Fluid filter is dirty
Clean filter
Tip or tip filter is clogged
Clean tip or tip filter (see gun manual)
Displacement pump piston rod is stuck
due to dried paint
Repair pump (see pump manual)
Connecting rod is worn or damaged
See
.
Drive housing is worn or damaged
See
Electrical power is not energizing clutch
field
See parts manual
Reference pressure control repair. Pages
34, 35, 36.
Reference wiring diagram. Page 68.
With pump switch ON and pressure turned
to MAXIMUM, use a test light to check for
power between clutch test points on control
board.
Remove clutch wires from control board
and measure resistance across clutch coil.
At 70°F, the resistance must be between
1.2+0.2 ohms; if not, replace pinion
housing
Have pressure control checked by
authorized dealer
Clutch is worn, damaged, or incorrectly
positioned
Adjust or replace clutch. Page 29.
Pinion assembly is worn or damaged
Repair or replace pinion assembly. Page
Содержание 25M232
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