Yanmar 1GM User Manual page 220

214 CHAPTER TEN
Table 1 ENGINE/TRANSMISSION MODELS
Model
1GM
1GM10
2GM
2GMF
2GM20
2GM20F
3GM
3GMF
3GMD
3GM30
3GM30F
3HM
3HMF
3HM35
Transmission
KM2A
KM2Cor KM2P
KM2A
KM2A
KM2Cor KM2P
KM2Cor KM2P
KBW10D
KBW10D
KM3A
KM3Aor KM3P
KM3Aor KM3P
KBW10E
KBW10E
KBW10E
Transmission ratio
(forward gear)
2.21, 2.62 or 3.22
2.21, 2.62 or 3.22
2.21, 2.62 or 3.22
2.21, 2.62 or 3.22
2.21, 2.62 or 3.22
2.21, 2.62 or 3.22
2.14, 2.63 or 2.83
2.14, 2.63 or 2.83
2.36, 2.61 or 3.20
2.36, 2.61 or 3.20
2.36, 2.61 or 3.20
2.14 or 2.83
2.14 or 2.83
2.14 or 2.83
Table 2 TIGHTENING TORQUES
Fastener
Transmission mounting flange
Output shaft nut
Output flange nut
Drive disc
KM2A, KM2C
KM2P
KM3A
KM3P
N-m
20-25
85-115
85-115
25
Table 3 CLUTCH DEPTH
Normal depth
24.4-24.7 mm
(0.961-0.972 in.)
29.2-29.8 mm
(1.150-1.173 in.)
29.9-30.2 mm
(1.177-1.189 in.)
32.7-33.3 mm
(1.287-1.311 in.)
ft.-lb.
15-18
63-85
63-85
18
Wear limit
24.1 mm
(0.949 ln.)
28.1 mm
(1.106 in.)
29.6 mm
(1.165 in.)
32.4 mm
(1.276 in.)
Table 4 CLUTCH GROOVE WIDTH
KM2A, KM2C and KM3A
Thrust washer
Thin washer
Thick washer
Standard width
8.0-8.1 mm
(0.315-0.319 in.)
Table 5 OUTPUT SHAFT
Standard width
(continued)
Wear limit
8.3mm
(0.327 in.)
Wear limit
0.20 mm
(0.008 in.)
0.05 mm
(0.002 ln.)