Graco 249512, Руководство по эксплуатации и запасным частям

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Troubleshooting
10 311209W
Troubleshooting
1. Follow Pressure Relief Procedure , page 8, before
checking or repairing the gun.
2. Check all possible problems and causes before
disassembling gun.
3. Disconnect the electrical cable.
Some solutions require disassembling the gun. To
help prevent serious injury, relieve pressure and
disconnect the electrical cable before checking or
servicing the equipment.
To help prevent serious injury from burns, do not
touch hot fluid dispensing from the gun.
Problem Cause(s) Solution(s)
Material leaks from front of gun
body
Seat or packing is worn
Obstruction inside gun
Worn needle
Replace the seat (6) or packing (47).
Remove the seat (6). Check and replace if
necessary.
Check and replace needle (4a) if necessary.
Material leaks from back of gun
body
Needle seal or packing is worn Replace seals (4c) or packing (4d).
Gun does not shut off Needle or seat is worn
Spring is broken or not installed
correctly
Obstruction inside gun
Replace needle (4a) or seat (6).
Check and replace spring (14) if necessary.
Remove the seat (6). Check and replace if
necessary.
Gun does not heat material Loose heater wires
Loose sensor wires
Heater cartridge failed
Sensor failed
Temperature controller failed
No power to heating circuitry
Check and reconnect wire connections.
Check and reconnect wire connections.
Replace failed heater.
Replace failed sensor.
See your Therm-O-Flow
®
200 manual.