Release 00 - 03/2018
Engine TRE 224
page 43
Workshop Manual
1
15. ENGINE BLOCK - Overhauling internal parts
All the following operations on the grass cutter ne-
cessitate the removal of the motor.
NOTE: For engine removal operations you
should consult the manual specific to
the machine on which the engine itself is
mounted.
15.1. Carter opening
1 - Position the engine on a stable support and
remove the sparkplug.
Bring the piston to the
TDC (Top Dead Centre).
2 - Turn the engine up-side-down and position it so
that the shaft projects upwards.
3 - Open the crankcase sump by unscrewing the
seven screws (1).
4 - verify the phasing between the engine shaft
and the camshaft;
If necessary, re-set the phasing, referring to the
indications provided.
5 - On assembly, follow the steps described in re-
verse and:
- always replace the gasket (2) between cover
and sump;
- ensure that the two centring pins (3) are correctly
inserted;
- always replace the compression ring from the
.
- ensure that the governor lever (4) is facing
upwards;
- close the screws (1) intersection lock bowl to the
indicated couple;
6 - After installing the engine on the machine:
- refill the sump and make sure that the filler plug
is tight.
- check the adjustment of the throttle cable
.
7 - Following reassembly it is advisable to check the
.
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