10
5.3.2 Changing the nozzle foot (PowerLine Extrusion - only heated up - Fig 1)
Tools required:
2 size 19 open-ended spanner,
1 spring-ring pliers
Remove the cartridge.
Remove the circlip (A1).
Remove the nozzle kit (part A2 to A7) out of the applicator.
Unscrew the conical nozzle (A2) (see Chapter 5.3.1).
Keep the valve seat (A4) (size 19) from moving and unscrew the nozzle foot (A3).
Reassemble as above but in reverse order.
For applicators with loose nozzle kit first remove the circlip (A1), after this the complete cartridge with screwed on nozzle kit. Reas-
semble as above but in reverse order.
5.3.3 Changing the nozzle setting (PowerLine Extrusion)
The position of the conical nozzle can optionally be swivelled around the center line of the melt tank.
Tools required:
1 size 6 Allen key,
1 size 12 open-ended spanner
Heat up the tool for about 15 min. to 338°F / 170°C (the tool should be thoroughly heated).
Turn off the compressed air supply.
Loosen the Allen screw (A5) in the protection cap (A4)
for half a turn.
Turn the valve seat (A6) by means of the open-ended spanner to the desired direction.
Tighten the Allen screw (A5) again.
5.3.4 Changing the spiral nozzle, compression spring and ball (PowerLine Spray - Fig 2)
Tools required:
1 hook wrench,
1 size 11
open-ended spanner,
1 size 32
open-ended spanner or a pipe wrench
Ensure that there is no cartridge in the melt tank before changing.
Turn off the compressed air supply.
Undo retaining ring (B1) without using force with the applicator heated up.
Remove the protection cap (B13) and the air cap (B2).
Unscrew spiral nozzle (B3) by the size 11
open-ended spanner, hold nozzle block (B8) by. the size 32
open-ended spanner.
Compression spring (B5) and ball (B4) are located behind the nozzle.
Reassemble as above but in reverse order.
5.4 Increasing the cover pressure (only when heated up - Fig 3)
If air leaks through cover, the lid pressure has to be increased.
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Fig 3
