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Servicing/maintenance
6.2.1
Cleaning the nozzle
• Wipe the nozzle with a cloth to remove slight external dirt.
• To remove blockages insert a drill bit, needle or wire of suitable diameter into the
nozzle orifice.
In stubborn cases replace the nozzle (see Section 6.3).
6.3
Nozzle system
Fig. 6.3/1:
6.3.1
Replacing the cone nozzle
Tools needed
1. Disconnect the compressed air supply.
2. Let the device heat up thoroughly.
3. Secure the nozzle foot (A5) and unscrew the cone nozzle (A1).
4. Screw on the new cone nozzle (A1) by hand first and allow to heat up for 2 minutes.
5. Re-secure the nozzle foot (A5). Tighten the new cone nozzle (A1) without using force.
6. Assemble the remaining parts in reverse order.
6.3.2
Replacing the nozzle end
Tools needed
There must be no melt at all in the tank when the nozzle end is replaced.
Therefore discharge the melt completely, e.g. into a collecting vessel.
1. First, proceed as described in chapter 6.3.1 up to Point 3 (dismantling the nozzle).
2. Remove the locking ring (A2).
3. Remove the washer (A3) and the protection cap (A4).
4. Secure the valve seat (A6) with the open-end spanner size 36 or the pipe wrench.
Unscrew the nozzle foot (A5).
5. Screw on the new nozzle foot handtight. Now tighten lightly (without using force) with
the open-end spanner.
6. Assemble the remaining parts in reverse order.
All manuals and user guides at all-guides.com
Nozzle system in detail
• 2 open-end spanners size 19
• 1 Seeger circlip ring pliers
• 2 open-end spanners size 19
• 1 open-end spanner size 36 or pipe wrench
• 1 Seeger circlip ring pliers
Valve seat (A6)
Nozzle foot (A5)
Protection cap (A4)
Washer (A3)
Locking ring (A2)
Cone nozzle (A1)
30
GB
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