30
13
14
77
77
77
40
44
77
2
4
20
69
69
77
77
77
77
58
57
8
9
7
49
56
70
75
75
77
77
77
77
77
77
77
85
77
77
77
77
77
72
52
52
97
98
94
94
38
38
81
53
54
25
25
88
88
94
75
75
88
88
77
EXPLODED DRAWING A Model No. 831.21977.0 R0912A