FF711BG
7-6
Tetra Pak
Hoyer
3
1
2
10
4
12
11
11
8-9
6
7
5
7.3.1 Slow agitator drive unit
If the slow agitator runs noisily, lift the hopper lid
(Part.1, Fig.7.4), lift the safety grid (Part.2,
Fig.7.4), move the rod (Part.3, Fig.7.4) and take
out the slow agitator (Part.4, Fig.7.4). Take off
the casing (Part.5, Fig.7.4) and the transmission
chain (Part.6, Fig.7.4) and remove the pinion
(Part.7, Fig.7.4).
Fig. 7.4
7.3 Mechanical maintenance
Remove the circlips (Part.8-9, Fig.7.4), take out
the shaft (Part.10, Fig.7.4) and replace the bearings
(Part.11, Fig.7.4) and the gaskets (Part.12,
Fig.7.4).
Reassemble carefully in the reverse order.
Check that the shaft and the bearings are not loose
in their housings.
7.3.2 Screw feeder drive unit
If the screw feeder runs noisily, take out the screw
(Part.1, Fig.7.5) open the door (Part.2, Fig.7.5)
and remove the screw feeder (Part.3, Fig.7.5).
Take off the casing (Part.4, Fig.7.4) and the
transmission chain (Part.5, Fig.7.5) and take out
the pinion (Part.6, Fig.7.5).
Take off the circlip (Part.7, Fig.7.5), remove the
shaft (Part.8, Fig.7.5) and replace the bearings
(Part.9-10, Fig.7.5) and the gaskets (Part.11,
Fig.7.5).
Reassemble carefully in the reverse order.
Check that the shaft and the bearings are not loose
in their housings.
Fig. 7.5
1
2
3
8
10
9
5
4
6
5
11
11
7
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