Yanmar 1GM User Manual page 164

158
Table 1 TIGHTENING TORQUES
CHAPTER SEVEN
Fastener
Injector fuel nut 20
Injection pump retaining nuts 25
ft.·lb.
15
18
Table 2 GOVERNOR SPRING FREE LENGTH
in.-Ib.
1GM, 1GM1 0 2GM, 2GM20 3GM, 3GM30, 3HM,
3HM35
Main governor spring
L1
L2
Secondary governor spring
L1
L2
76mm
(2.99 ln.)
18mm
(0.71 in.)
26mm
(1.02 in.)
5mm
(0.20 in.)
78mm
(3.07 ln.)
20mm
(0.79 in.)
23mm
(0.90 in.)
10mm
(0.39 in.)
78mm
(3.07 In.)
20mm
(0.79 In.)
23mm
(0.90 in.)
10mm
(0.39 ln.)
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 ln.)
Crankshaft diameter 24.972-24.993 mm (0.9831-0.9840 in.)
Governor sleeve clearance on crankshaft 0.060-0.111 mm (0.0024-0.0044 in.)
Maximum allowable clearance 0.20 mm (0.008 in.)