3137768
Troubleshooting
PROBLEM CAUSE SOLUTION
Gas engine pulls hard (won’t
start)
Hydraulic pressure is too high Turn hydraulic pressure knob counterclock-
wise to lowest setting
Engine won’t start Engine switch is OFF Turn engine switch ON
Engine is out of gas Refi l l gas tank. Honda Engines Owner’s Manual.
Engine oil level is low Try to start engine. Replenish oil, if necessary.
Honda Engines Owner’s Manual.
Spark plug cable is disconnected or damaged Connect spark plug cable or replace spark
plug
Cold engine Use choke
Fuel shutoff lever 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 dis-
placement pump does not
operate
Pump valve is OFF Turn pump valve ON.
Pressure setting is too low Turn pressure adjusting knob clockwise to
increase pressure. Manual 311018.
Fluid filter (11) is dirty Clean filter.
Tip or tip filter is clogged Clean tip or tip filter. Manual 311254.
Displacement pump piston rod is stuck due to
dried paint
Repair pump. Manual 311845.
Belt worn, broken or off pulley Replace
Hydraulic fluid too low Shut of sprayer. Add fluid*.
Hydraulic motor not shifting Set pump valve OFF. Turn pressure down.
Turn engine OFF. Pry rod up or down until hy-
draulic motor shifts.
*Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid, page 7.