Lombardini LDW 502, Service Manual

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service manual
mod. 051135
8
A
B
In order to replace the ring gear, it is necessary
to disassemble the flywheel.
See “Disassembling the flywheel” for the correct
procedure.
1 - Cut the ring gear (A) in several places
using a chisel and remove it.
Important
Remove any debris and carefully clean the
ring gear.
2 - Heat the new ring gear uniformly and keep
it at a temperature of 300°C for15÷20
minuti.
Caution - Warning
Risk of burning: be careful of hot surfaces.
3 - Insert the ring gear into its seat and place it carefully
on the rim of the flywheel (B).
Important
Replacement may be carried out with the
engine installed on the machine.
1 - Switch off the engine and leave to cool.
2 - Disconnect the electrical connectors.
3 - Remove the thermostat.
Important
The screw is left-handed, turn clockwise
to unscrew.
4 - Install the new thermostat.
5 - Tighten the thermostat to a torque of 30 Nm.
Important
The screw is left-handed, turn anti-clockwise to
tighten.
6 - Reconnect the electrical connectors.
8.8 REPLACING THE FLYWHEEL RING GEAR
4 - Leave to the ring gear to cool gently before
reassembling the flywheel.
8.9 REPLACING THE COOLANT THERMOSTAT
thermostat
REPLACING PARTS