Condition 3: Nozzle Drip; Condition 4: Continuous Adhesive Flow; Condition 5: Slow Adhesive Shut Off; Condition 6: Applicator Will Not Heat - 3M Scotch-Weld PUR Easy 250 Manual Del Usuario

Troubleshooting (continued)
Condition 3:
Nozzle Drip
Condition 4:
Continuous Adhesive Flow
Condition 5:
Slow Adhesive Shut Off
Condition 6:
Applicator Will Not Heat
30
3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive Applicator User's Manual
This problem may occur after a several day shutdown period because the material
around the plunger in the rear of the cartridge has begun to cure. This problem should
be eliminated after a short period of use or when a new adhesive cartridge is
introduced. If dripping continues, replace disposable nozzle.
If adhesive continues to flow when the trigger is released, one of the following has
occurred: First remove the applicator end cap. If air releases and adhesive flow stops,
the air valve kit (part # 62-9845-0009-0) should be replaced. If adhesive continues to
flow, air has gotten in front of the internal plunger. This is a result of either a lack of a
proper moisture removal system at the applicator air connection, or the removal of the
adhesive cartridge from the applicator and exposure to moisture, or not allowing a 45
minute warm up period. After adhesive has stopped flowing, remove and
replace the adhesive cartridge and follow start procedure.
If after releasing the trigger on the applicator, adhesive continues to flow from the tip
for a few seconds before shutting off, the air valve kit (62-9845-0009-0) may need
replacement. This can occur as a result of moist, oily or dirty air partially plugging the
exhaust system.
Troubleshooting steps should be conducted by a qualified electrician or service
person.
1. Check electrical outlet. If no power, contact electrician; if outlet has power,
proceed to next step.
2. Push on/off switch to "on" position indicated by visible red portion of switch. If no
heat, proceed to next step.
On
Remove power cord from grounded electrical outlet and disconnect air supply
before conducting any further evaluations or repairs.
Important
Off
On/Off
Switch
Important
© 3M 2014