Cleaning Spray Gun; Check Valve Troubleshooting - Graco EDGE 257827 Important Safety Instructions Manual

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2. Have spray gun in motion before triggering. Move
spray gun in a straight, smooth stroke. Release
trigger at end of stroke.
6 to 8 in. (150 to 200 mm)

Cleaning Spray Gun

Before cleaning gun, read all warnings and do Pressure
Relief Procedure.
1. Remove siphon cup. Empty spray
material from siphon cup.
2. Pour small amount of solvent or
water recommended by spray
material manufacturer into siphon
cup.
3. Latch the gun cup cover to secure
it to siphon cup.
4. Swirl solvent or water inside of gun.
5. Spray solvent or water into waste
pail until spray appears to be clean.
6. Remove siphon cup. Empty
remaining solvent or water from
siphon cup.
7. Clean inside of siphon cup with a
clean rag.
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8. Remove retaining ring, air cap
and fluid nozzle. Clean in solvent
or water. Clean face of gun with a
solvent or water dampened rag.
9. Assemble gun. Wipe gun with
solvent or water dampened rag.
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Check Valve Troubleshooting

Recommended if fluid is in the check valve.
Poppet Valve Quick Clear
1. Disconnect check valve from
siphon cup air hoses.
2. Unscrew check valve.
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3. Pull out on nub on poppet
valve and release.
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4. Assemble check valve. Install
on air hoses.
5. Try spraying again to see if
spraying is normal.
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Check Valve Cleaning
1. Do steps 1 and 2 of Poppet Valve Quick Clean.
2. Unscrew poppet valve from
check valve.
3. Clean all parts in solvent rec-
ommended by spray material
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manufacturer.
4. After all parts are dry apply a light coat of petroleum
jelly all over o-ring.
5. Assemble check valve. Install on air hoses.
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Operation
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