Moxy MT 26, Руководство пользователя

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Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1
page
111
Changing valve tappets
1.
Clamp the side cover in a vice. R emove the
retaining ring and valve tappet.
2.
Fit a new valve tappet. Fit the retaining ring,
using a screwdriver.
Camshaft bearings
- T here is very little wear on the camshaft and
camshaft bearings and these components rarely
need any work to be done on them.
- However, when reconditioning the engine,
check that the bearing surfaces and cams are
not abnormally worn.
- Fit new bearings so that the lubricating holes
are opposite the oilways in the block.
Checking camshaft setting
1.
Set the crankshaft at T DC for No. 1 cylin-
der’ s compression stroke (valves closed).
2.
Set up two dial gauges against the valve
spring thrust washers.
3.
A djust the rocker arms so that there is no
clearance and then an additional 0.1 mm (see
that both valves are open 0.1 mm).
4.
Zeroize both dial gauges.
5.
T urn the crankshaft one revolution in its
direction of rotation until the T DC position is
reached again.
6.
R ead the two dial gauges and compare the
results with the values given below:
Intake valve lifting height 0.55-1.65 mm
E xhaust valve lifting height 0.50-1.50 mm