Tetra Pak Hoyer Frigus 400, Manual

Page: 38 / 97

7-6
Tetra Pak
Hoyer
F40 03 GB 00
Fig. 7.4
• Dasher motor drive (Fig. 7.4)
If the dasher is noisy during operation, dismantle
the support (1) and pull out the shaft (2).
Disassemble the bearings (3) and gaskets (4),
check their efficiency and replace them if
necessary.
Reassemble carefully in inverse order.
• Cylinder bottom (Fig. 7.4)
Inspect the rotating seal sliding bush (6).
Check for wear on the gasket (5), spring (7),
and lip seals (8) and replace if necessary.
• Cylinder lid (Fig. 7.4)
Check for wear on the gasket (9) and replace if
necessary.
• Ice cream mix pipe connection seals (10)
Check for wear and replace if necessary.
F
NOTE:
The blade may be sharpened, but this requires use
of a special machine. The blade needs sharpening if
the width of the cutting end exceeds 0.5 mm (Fig.
7.2).
After sharpening the thickness of the cutting edge
must be about 0.2 - 0.3 mm (Fig. 7.3).
CAUTION:
It is important to assemble the blades as shown in
Fig. 7.3
1
2
3
4
4
3
10
5
7
6
10
8
8
9
14
11
15
12
17
13
17
16