Troubleshooting - Graco GM 1030 Instructions-Parts List Manual

Troubleshooting
To reduce the risk of a serious injuly due to the
sprayer starting unexpectedly, always shut off the
engine and disconnect the spark plug before
performing any checks or service.
Check everything in the chart before disassembling the sprayer.
PROBLEM
I
CAUSE
I
Engine won't start
Engine switch not on
Out of gas
Engine oil level low
Spark plug cable disconnected or
spark plug damaged
Engine won't "fire" or
chamber "pull over"
Oil seepage into combustion
Engine operates, but
displacement pump doesn't
Also see manual 308-127.
I
I
Easy Spray Control set wrong
Air supply to Easy Spray Control or
gun is not connected
Air compressor not on
Engine RPM too low
Air leak at pump foot valve or
siphon tube elbow
Tip clogged
Insufficient compressor air
Displacement pump rod seized by
dry coating
I
I
Connecting rod worn or damaged
Drive housing worn or damaged
I
Clutch worn or damaged
Pinion assemblv worn or damaaed
I
Engine starts but dies
I
Oil level drODS below oil sensor
I
Sudden pressure
loss
System has overpressurized. which
opened the Pressure Drain Valve
I
I
Air to sprayer or gun stopped
SOLUTION
Turn on engine switch.
Connect cable on top
o f
engine or replace
spark plug.
Remove spark plug. Pull starter rope
3
or
4
times. Clean and replace plug. Try to
start. Keep sprayer upright to avoid oil
seepage.
Set in SPRAY mode.
Check and tighten connections.
Start compressor.
Be sure foot valve is tightened each day.
Be sure seal in elbow is in place and is
not worn or damaged.
System requires a minimum of 30 psi
(0.28
MPa, 2.8 bar) to run.
Service pump. See page 19.
Add oil.
Check for plugged tip or hose and correct.
Check, correct.
308-269
13