English |
11
Bosch Power Tools
1 619 929 K84 | (22.11.12)
Troubleshooting
–
Causes and Corrective Measures
Problem
Cause
Corrective Measure
The glue stick is not transported.
Glue stick used up.
Insert a new glue stick.
Glue stick diametre too large or small.
Use recommended original glue sticks.
Glue stick too short.
Use recommended original glue sticks.
Insert a new glue stick.
Glue stick falls out of glue gun.
Glue stick diametre too small.
Use recommended original glue sticks.
Long after-run or dripping period
after relieving the feed.
Melting temperature of glue stick too
low.
Use recommended original glue sticks.
Glue gun dripping continuously
without feed actuated.
Melting temperature of glue stick too
low.
Use recommended original glue sticks.
Feed blocked through glue escap-
ing toward the rear.
Glue stick diametre too small.
and/or
Melting temperature of glue stick too
low.
Use recommended original glue sticks.
Glue does not flow uniformly.
Melting temperature of glue stick too
low.
Wait for heating time of glue gun to elapse.
Feed not uniform.
Actuate feed trigger slowly and uniformly.
Adhesive surface only bonds on
one side.
Adhesive already partially cooled off be-
fore components have been joined.
Join workpieces quicker.
Set gluing points or beads instead of applying
glue over surface.
Pre-heat adhesive surface with hot air blower.
Adhesive bond comes undone af-
ter cooling.
Adhesive surface greasy or too smooth. Degrease adhesive surface or roughen slightly.
Adhesive surface dusty.
Clean adhesive surface.
Material of workpiece not suitable.
Adjesive not suitable.
Use specialty adhesive.
Glued tiles in damp locations come
undone.
Moisture creeps under bonding location. Adjesive not suitable.
Use specialty adhesive on cement basis.
Glued shoe soles come undone.
Moisture causes leather to swell and
creeps under bonding location.
Adjesive not suitable.
Use specialty adhesive.
Strands/strings of glue are pulled
at the end of the gluing when re-
moving the glue gun.
Feed still actuated when done applying
the adhesive.
Discontinue feed slightly prior to ending the ad-
hesive application.
Nozzle not been wiped off.
At the end of the gluing before removing the glue
gun/pen from the bonding location, wipe off noz-
zle against workpiece.
Workpiece melts.
Workpiece consists of material that
melts at low temperature, e. g. foamed
polystyrene.
Adjesive not suitable.
Use specialty adhesive.
Burns on fingers from applying ad-
hesive.
Adhesive penetrates through paper
when applying.
Do not hold workpiece in hand.
Apply adhesive with workpiece placed on heat-
resistant silicone pad or base.
Adhesive penetrates through fabric/tis-
sue when applying.
Do not hold workpiece in hand.
Apply adhesive with workpiece placed on heat-
resistant silicone pad or base.
Metal workpiece has heated up.
Do not hold workpiece in hand.
Apply adhesive with workpiece placed on heat-
resistant silicone pad or base.
Clamp workpiece.
OBJ_BUCH-1683-001.book Page 11 Thursday, November 22, 2012 4:55 PM