WÄRTSILÄ Vasa R22, Instruction Manual

Page: 90 / 297

Part, measuring point
Drawing dimension (mm) Normal
clearance
(mm)
Wear limit
(mm)
Max. Min.
14 Valve tappet, diameter 54.97 54.94
Guide diameter 55.03 55.00
Diameter clearance 0.03-0.09 0.15
Tappet roller bore diameter 30.021 30.000
Bush diameter, outer 29.960 29.947
Bush diameter, bore 22.028 22.007
Tappet pin diameter 21.993 21.980 21.95
Bearing clearance roller-bush
bush-tappet pin
0.04-0.07
0.014-0.048
0.10
0.13
Rocker arm bearing diameter in situ 50.064 50.025
Bearing journal diameter 50.000 49.984 49.95
Bearing clearance 0.03-0.08 0.25
Yoke pin diameter 19.935 19.922
Yoke bore diameter 20.021 20.000
Diameter clearance 0.065-0.100 0.15
16 Nozzle needle lift 0.4 0.5
Injection pump tappet:
Tappet roller bore diameter
36.025 36.000
Bush diameter, outer 35.950 35.911
Bush diameter, bore 28.065 28.098
Tappet pin diameter 27.980 27.947
Bearing clearance roller-bush
bush-tappet pin
0.050-0.114
0.085-0.153 0.15
0.20
17 Fuel feed pump, engine driven
Shaft diameter
20.009 19.996
Bush diameter, bore 20.070 20.050
Bearing clearance 0.04-0.08 0.15
Axial clearance 0.04-0.12
Backlash for driving gear 0.30-0.50
Base tangent length for pump gear 53.702 53.658 53.50
Crankshaft gear for pump operation
Base tangent length,
standard design z = 70
fast transm. ratio z = 73 115.383
115.251 115.327
115.195 115.19
115.00
18 Lubricating oil pump for 22
Shaft diameter
49.920 49.895
Bush diameter, bore 50.033 50.000
Bearing clearance 0.08-0.15 0.22
Axial clearance 0.24-0.35
Backlash for driving gear 0.30-0.50
Base tangent length, driving gear
standard design i = 70/48
fast transm. ratio i = 73/45
pump gear
84.433/6
84.519/6
43.019
84.377/6
84.467/6
42.949
84.26
84.35
42.50
19 Water pump backlash for driving gear 0.30-0.50
Base tangent length for driving gear
standard design i = 70/30
fast transm. ratio i = 73/27 53.707
53.907 53.623
53.823 53.34
53.55
06/II Adjustments, Clearances and Wear limits 22-9601
06-4 VASA 22