Graco AirMax 1310G, Instructions Manual

Troubleshooting

Engine will not start.

Various engine problems.

Refer to the engine manual accom-
panying your unit.

Low engine oil level.

Engine is equipped with an Oil Alert 
System which will not allow the 
engine to start if oil level is low. Add 
oil, if needed.

Noisy operation.

Loose engine pulley or pump fly-
wheel.

Tighten pulley and or flywheel.

Lack of oil in the pump.

Add correct amount of oil. Check 
for bearing damage.

Carbon deposits on pistons or 
valves.

Remove cylinder head and inspect. 
Clean or replace.

Bearing, piston or connecting rod 
failure.

Stop the air compressor. Contact 
Graco Customer Service.

Pressure drop in air tank or rapid 
pressure loss when air compres-
sor is shut off.

Air leaks at connections.

Allow air compressor to build 
pressure to the maximum allowed. 
Turn off and brush a soapy wa-
ter solution onto all connections. 
Check connections for air bubbles. 
Tighten the connections where 
leaks are present.

Air leak in air tank.

Air tank must be replaced. DO NOT 
attempt to repair air tank.

Defective Pilot Valve.

Clean or replace.

Insufficient pressure at air tool or 
accessory.

Pressure Regulator not turned to 
high enough pressure or defective.

Adjust Pressure Regulator to 
proper setting or replace.

Restricted air intake.

Clean or replace Air Intake Filter.

Air leaks or restrictions.

Check for leaks and repair.

Hose or hose connections are too 
small or long.

Replace with larger hose or con-
nectors.

Slipping belt.

Tighten or replace.

Air compressor is not large enough 
for air requirement.

Check the accessory air require-
ment. If it is higher than the CFM or 
pressure supply to the air compres-
sor, use a larger air compressor.

Restriction in Pilot Valve

Clean or replace.

Air leaks from Safety Relief Valve.

Possible defective Safety Relief 
Valve.

Operate Safety Relief Valve manu-
ally by pulling on ring. If it still 
leaks, it should be replace.

Excessive air tank pressure.

Clean, reset or replace Pilot Valve.

Air leaks at pump.

Defective gaskets.

Torque head bolts: Single Stage=17 
ft./lbs. Two Stage=33 ft./lbs.

Air blowing from Air Intake Filter.

Defective inlet  (reed) valve.

Contact Graco Customer Service.

Moisture in discharge air.

Condensation in air tank caused by 
high level of atmospheric humidity 
or air compressor is not run long 
enough.

Run air compressor a minimum of 
one hour to prevent condensation 
buildup. Drain air tank after every 
use. Drain air tank more often in 
humid weather and use an air line 
filter.

Problem

Cause

Solution