Replacing The Lower Compression Ring Of The Engine Shaft (Sump Side) - GGP WBE 0701 Workshop Manual

44
46
Service manual
1. ENGINE BLOCK - External operations
41
40
42
4
45
Engine WBE 0701-WBE 0704
1.8. Replacing the lower compression ring of the
engine shaft (sump side)
NOTE - Before executing this operation di-
scharge all the oil from the bowl and rotate
180° the motor.
1 - Remove the blade (40) and hub (41).
2 - Take out the spline key (42).
3 - Use a thin screwdriver inserted under the sealing
lip to extract the oil seal ring (4).
4 - Make a paper tube (44) around the shaft to
protect the sealing lip and insert the new ring (45)
so that it enters its housing.
5 - Complete the insertion with the help of a pipe
(46) of a diameter of approximately 30-35 mm.
Tightening torques
2
Spark plug tightening torque
6
Valve cover fixing screws
1
Cylinder head screws
24
Flywheel fixing nut
2
Screws small plate louver
Technical information
Compression
Inlet valve clearance
Exhaust valve clearance
Minimum inlet valve stem diameter
Minimum exhaust valve stem diameter
Min. inlet valve head rim thickness
Min. exhaust valve head rim thickness
Valve seat depth
Minimum valve spring length
Special equipment

Compression testing tool
21
Valve seat grinding tool
22
Valve grinder
pag. 42
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16-18 Nm
8-12 Nm
50-55 Nm
80-90 Nm
8-12 Nm
Min. 4 bar
0,10-0,15 mm
0,15-0,20 mm
5,32 mm
5,27 mm
0,5 mm
0,5 mm
1,8 mm
28.5 mm
Release 00 - 02/2008