English
30
Code 1625186897- Edition 7/2019
15.9 BELT CHANGE AND TENSIONNING
BEFORE CARRYING OUT ANY MAINTENANCE THE MACHINE MUST BE STOPPED, CUT
OFF THE MACHINE FROM THE ELECTRICAL MAINS AND FROM THE COMPRESSED AIR
DISTRIBUTION CIRCUIT, CHECK THAT THE MACHINE IS NOT UNDER PRESSURE.
Tightening or retightening new belts
Proceed as follows:
- Remove the panel on belt canopy Ref. 1 Fig. 21.
- Slacken the bolt under the motor Ref. 2 Fig. 21
- Loosen the locknut Ref. 2 Fig. 21
- Turn motor pulley and remove the belt one by one Ref. 3 Fig. 21
- Turn motor pulley and install new belt one by one Ref. 3 Fig. 211
- Adjust the belt tension.(Please take the table of belt tension as reference)
- Lock the locknut again Ref. 2 Fig. 21
- Close the bolts again Ref. 2 Fig. 21
- Refit the panel on Belt Canopy Ref. 1 Fig. 21.
Model Working
Code
Qty of
Frequency of new belt
（
（
hz
）
）
Frequency of old
belt
（
（
hz after test
）
）
TH7.5
8
1625 1643 31
2
78.67-81.61 70.01-71.01
10
1625 1643 32
2
80.5-83.5 71.5-73
TH11
8
1625 1643 31
2
76.98-82.98 67.15-73.15
10
1625 1643 31
2
91.72-97.72 80.08-86.08
TH15
8
1625 1643 32
3
86.11-92.11 75.15-81.15
10
1625 1643 32
3
86.74-92.74 75.71-81.71
TH18.5
8
1625 1825 70
2
84.72-90.72 73.93-79.93
10
1625 1835 14
2
82.37-88.37 71.88-77.88
TH22
8
1625 1834 84
2
84.6-90.6 73.83-79.83
10
1625 1834 85
2
90.99-96.99 79.44-75.55
TH30
7
1625 1846 47
3
75.58-81.58 65.92-71.92
8
1625 1846 47
3
76.31-82.31 66.56-72.56
10
1625 1846 47
3
79.71-85.71 69.54-75.54
TH37
7
1625 1846 46
4
75.59-81.59 65.93-71.93
8
1625 1846 46
4
75.59-81.59 65.93-71.93
10
1625 1846 47
4
73.7-79.7 64.27-70.27
16.0 PERIODS OF INACTIVITY
FIG. 20
1
2
3
4
