YANMAR

158 CHAPTER SEVEN
Table 1 TIGHTENING TORQUES
1 Fastener N*m ft..lb. in.-lb.
I
Injector fuel nut . 20
Injection pump retaining nuts 25
Main governor spring
L1
L2
Secondary governor spring
L1
L2
Table 2 GOVERNOR SPRING FREE LENGTH
lGM, 1GMlO 2GM, 2GM20 3GM, 3GM30,3HM,
3HM35
76 mm
(2.99 in.)
18 mm
(0.71 in.)
26 mm
(1.02 in.)
5 mm
(0.20 in.)
78 mm
(3.07 in.)
20 mm
(0.79 in.)
23 mm
(0.90 in.)
10 mm
(0.39 in.)
78 mm
(3.07 in.)
20 mm
(0.79 in.)
23 mm
(0.90 in.)
10 mm
(0.39 in.)
<
Table 3 GOVERNOR SLEEVE AND CRANKSHAFT SPECIFICATIONS
Governor sleeve inside diameter
25.053-25.083 mm (0.9863-0.9875 in.)
Governor sleeve length-wear limit
14.8 mm (0.583 in.)
Crankshaft diameter
24.972-24.993 mm (0.9831-0.9840 in.)
Governor sleeve clearance on crankshaft
0.060-0.1 11 mm (0.0024-0.0044 in.)
Maximum allowable clearance
0.20 mm (0.008 in.)