Table of Contents
Advertisement
30/ENGINE - WORK ON INDIVIDUAL PARTS
Checking piston/cylinder mounting clearance
18.15
–
Check/measure the cylinder. (
–
Check/measure the piston. (
–
The smallest piston/cylinder mounting clearance is the result of the smallest cylinder bore diameter minus the largest piston diam-
eter. The largest piston/cylinder mounting clearance is the result of the largest cylinder bore diameter minus the smallest piston
diameter.
Guideline
Piston/cylinder - mounting clearance
New condition
Wear limit
Checking oil pumps for wear
18.16
Info
The oil pump wear check shown here is on the suction pump but it applies to all oil pumps.
Replacing autodecompressor
18.17
p. 113)
p. 113)
–
Use a feeler gauge
engine case as well as between the external rotor and the internal rotor.
Oil pump
Clearance between external rotor
and engine case
Clearance between external rotor
and internal rotor
Axial clearance
300106-10
»
If the measured value does not meet specifications:
–
Change the oil pump and, if necessary, the engine case.
–
Take the lock ring
300107-10
–
Pull the autodecompression shaft
300108-10
–
Disconnect the autodecompression spring. Loosen the screw
together with the autodecompression spring and the autodecompression weight
300109-10
0.035... 0.060 mm (0.00138... 0.00236 in)
0.10 mm (0.0039 in)
to measure the play between the external rotor and the
≤ 0.20 mm (≤ 0.0079 in)
≤ 0.20 mm (≤ 0.0079 in)
0.04... 0.08 mm (0.0016...
0.0031 in)
off the autodecompression shaft and dispose of it.
from the camshaft.
115
and remove it
.
Advertisement
Table of Contents
