Troubleshooting - Graco Standard Series Operation, Parts

Troubleshooting

Problem
Gas engine pulls hard (won't
start)
Gas engine does not start
Gas engine does not work
properly
Electric motor does not start
starts slowly
334606B
Cause
Hydraulic pressure is too high
Switch OFF, low oil, no gasoline
Fuel shut off valve closed
Faulty engine
Elevation
No power
Cord not connected to power
source
Switch OFF
Incorrect power source
Incorrect amp setting on motor
starter (3 phase motor only)
Over current switch has tripped
Hydraulic pressure is too high
Troubleshooting
Solution
Turn hydraulic pressure knob
counterclockwise to lowest
setting
Consult engine manual
Open fuel shut off valve
Consult engine manual
Refer to Engine Repair Kit, 4.0
hp - 288678 / 5.5 hp - 248943 /
6.5 hp - 248944 / 9.0 hp -
248945
Check power source; check
circuit breakers and/or fuses.
Reset/replace as required.
Connect plug to receptacle
(grounded with properly sized
circuit breaker and/or fuses).
1 phase motors: Turn on/off
switch to ON.
3 phase motors: Push ON
switch.
Have a certified electrician or
authorized Graco Repair Center
evaluate and repair.
See Technical Data, pages
60-63.
NOTE: If using the EH300DI
sprayer, the generator must be
sized for 15 kW output
minimum.
Have a certified electrician or
authorized Graco Repair Center
evaluate and repair.
See Technical Data, pages
60-63.
Have a certified electrician or
authorized Graco Repair Center
evaluate and repair.
See Technical Data, pages
60-63.
Turn hydraulic pressure knob
counter clockwise to lowest
setting.
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