Mitsubishi S12R - Table 8-3 Ribbed Belt Tensile Force

8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
130
Pub. No. 291Y1-40720 Revision: 5
• The pressing force when the midpoint of belt straight line is pressed by using the gauge
with 10 mm [0.39 in.] wide and the belt is deflected by 15 mm [0.59 in.].
Table 8-3 Ribbed Belt Tensile Force
Measuring item
Number
of ribs
Belt straight distance (mm)
300 or less
more than 300
and 400 or less
more than 400
and 500 or less
more than 500
and 600 or less
more than 600
When a new belt
is installed
3
74 N {7.55 kgf}
[16.64 lbf]
49 N {5.00 kgf}
[11.02 lbf]
37 N {3.77 kgf}
[8.32 lbf]
29 N {2.96 kgf}
[6.52 lbf]
25 N {2.55 kgf}
[5.62 lbf]
4
88 N {8.97 kgf}
[19.78 lbf]
59 N 6.02 kgf}
[13.26 lbf]
44 N {4.49 kgf}
[9.89 lbf]
35 N {3.57 kgf}
[7.87 lbf]
29 N {2.96 kgf}
[6.52 lbf]
5
103 N {10.50 kgf}
[23.16 lbf]
69 N {7.04 kgf}
[15.51 lbf]
51 N {5.20 kgf}
[11.47 lbf]
41 N {4.18 kgf}
[9.22 lbf]
34 N {3.47 kgf}
[7.64 lbf]
6
118 N {12.03 kgf}
[26.53 lbf]
79 N {8.06 kgf}
[17.76 lbf]
59 N {6.02 kgf}
[13.26 lbf]
47 N {4.79 kgf}
[10.57 lbf]
39 N {3.98 kgf}
[8.77 lbf]
7
132 N {13.46 kgf}
[29.67 lbf]
88 N {8.97 kgf}
[19.78 lbf]
66 N {6.73 kgf}
[14.84 lbf]
53 N {5.40 kgf}
[11.91 lbf]
44 N {4.49 kgf}
[9.89 lbf]
8
147 N {14.99 kgf}
[33.05 lbf]
98 N {9.99 kgf}
[22.03 lbf]
74 N {7.55 kgf}
[16.64 lbf]
59 N {6.02 kgf}
[13.26 lbf]
49 N {5.00 kgf}
[11.02 lbf]
9
162 N {16.52 kgf}
[36.42 lbf]
108 N {11.01 kgf}
[24.28 lbf]
81 N {8.26 kgf}
[18.21 lbf]
65 N {6.63 kgf}
[14.61 lbf]
54 N {5.51 kgf}
[12.14 lbf]
10
176 N {17.95 kgf}
[39.57 lbf]
118 N {12.03 kgf}
[26.53 lbf]
88 N {8.97 kgf}
[19.78 lbf]
71 N {7.24 kgf}
[15.96 lbf]
59 N {6.02 kgf}
[13.26 lbf]
11
191 N {19.48 kgf}
[42.94 lbf]
127 N {12.95 kgf}
[28.55 lbf]
96 N {9.79 kgf}
[21.58 lbf]
76 N {7.75 kgf}
[17.09 lbf]
64 N {6.53 kgf}
[14.39 lbf]
12
206 N {21.01 kgf}
[46.31 lbf]
13
7N {13.97 kgf}
[30.80 lbf]
103 N {10.50 kgf}
[23.16 lbf]
82 N {8.36 kgf}
[18.43 lbf]
69 N {7.04 kgf}
[15.51 lbf]
When retightened
3
51 N {5.20 kgf}
[11.47 lbf]
34 N {3.47 kgf}
[7.64 lbf]
26 N {2.65 kgf}
[5.85 lbf]
21 N {2.14 kgf}
[4.72 lbf]
17 N {1.73 kgf}
[3.82 lbf]
4
62 N {6.32 kgf}
[13.94 lbf]
41 N {4.18 kgf}
[9.22 lbf]
31 N {3.16 kgf}
[6.97 lbf]
25 N {2.55 kgf}
[5.62 lbf]
21 N {2.14 kgf}
[4.72 lbf]
5
72 N {7.34 kgf}
[16.19 lbf]
48 N {4.89 kgf}
[10.79 lbf]
36 N {3.67 kgf}
[8.09 lbf]
29 N {2.96 kgf}
[6.52 lbf]
24 N {2.45 kgf}
[5.40 lbf]
6
82 N {8.36 kgf}
[18.43 lbf]
55 N {5.61 kgf}
[12.36 lbf]
41 N {4.18 kgf}
[9.22 lbf]
33 N {3.37 kgf}
[7.42 lbf]
27 N {2.75 kgf}
[6.07 lbf]
7
93 N {9.48 kgf}
[20.91 lbf]
62 N {6.32 kgf}
[13.94 lbf]
46 N {4.69 kgf}
[10.34 lbf]
37 N {3.77 kgf}
[8.32 lbf]
31 N {3.16 kgf}
[6.97 lbf]
8
103 N {10.50 kgf}
[23.16 lbf]
69 N {7.04 kgf}
[15.51 lbf]
51 N {5.20 kgf}
[11.47 lbf]
41 N {4.18 kgf}
[9.22 lbf]
34 N {3.47 kgf}
[7.64 lbf]
9
113 N {11.52 kgf}
[25.40 lbf]
75 N {7.65 kgf}
[16.86 lbf]
57 N {5.81 kgf}
[12.81 lbf]
45 N {4.59 kgf}
[10.12 lbf]
38 N {3.87 kgf}
[8.54 lbf]
10
123 N {12.54 kgf}
[27.65 lbf]
82 N {8.36 kgf}
[18.43 lbf]
62 N {6.32 kgf}
[13.94 lbf]
49 N {5.00 kgf}
[11.02 lbf]
41 N {4.18 kgf}
[9.22 lbf]
11
134 N {13.66 kgf}
[30.12 lbf]
89 N {9.08 kgf}
[20.01 lbf]
67 N {6.83 kgf}
[15.06 lbf]
54 N {5.51 kgf}
[12.14 lbf]
45 N {4.59 kgf}
[10.12 lbf]
12
144 N {14.68 kgf}
[32.37 lbf]
96 N
{9.79 kgf}
[21.58 lbf]
72 N {7.34 kgf}
[16.19 lbf]
58 N {5.91 kgf}
[13.04 lbf]
48 N {4.89 kgf}
[10.79 lbf]