Graco 24E512, Operation And Repair Manual

Page: 32 / 54

Troubleshooting
32 3A0232E
Material not mixed External mix catalyst tips plugged Clean and replace
Atomizing air pressure too low Adjust
Static mixer missing Replace
Static mixer worn Inspect and replace if necessary
Incorrect static mixer Replace if necessary
AAC does not func-
tion Air supply to gun is shut off Open air supply
Air regulator set incorrectly Adjust
Ports plugged Clean air capped or replace
AAC needle valve closed (external mix) Open AAC needle valve
Trigger clamp assembly loose Inspect and tighten, see page 18
Roving binds up in
Cutter Obstruction in roving path Ensure the roving path is free from obstruction
Overspray/binder build up on internal com-
ponents Clean components and reinstall the cover
Resin on roving. Clean as necessary, keep roving away from
resin and overspray.
Incorrect anvil to idler wheel tension Adjust
Incorrect anvil to cutter blade assembly ten-
sion Adjust
Cutter blade assembly is worn out Replace
Anvil is worn out Replace
Cutter does not actu-
ate when the gun is
triggered Air supply to gun is shut off Open air supply
Speed control in off position Adjust
Quick release plunger stuck in Inspect, clean and lubricate, replace if neces-
sary
Incorrect anvil to idler wheel tension Adjust
Incorrect anvil to cutter blade assembly ten-
sion Adjust
Cutter air valve stuck Inspect and replace if necessary
Air motor is “locked up” Check for free rotation, replace if necessary
Cutter is cutting long
strands Anvil to cutter blade tension is incorrect Adjust
Anvil to blade tension lockdown is loose Tighten the anvil to blade tension lockdown
Anvil is worn out Replace
Cutter blade assembly is worn out Replace
Air motor spins but
doesn't cut glass Cutter head set screws (606) loose, see
page 42 Apply medium strength thread sealant and
tighten
Anvil to cutter blade tension is incorrect Adjust
Air motor speed
incorrect Incoming air supply issues Ensure proper air supply to gun
Supply air volume too low Ensure adequate air volume
Air motor speed control set incorrectly Adjust air motor speed, see page 20
Anvil to cutter blade tension is too high Adjust tension, see page 20
Cutter blade assembly is worn out Replace
Air motor exhaust filter plugged Clean and replace as necessary
Problem Cause Solution