213
ENGINES
CHECKING THE ENGINE COMPRESSION RATES
Engine: RHR
NOTE: Use a mirror to carry out the operations described below.
Remove the four nuts (5).
Move aside the supply wires (6).
Remove the preheater plugs (7).
Fit the tool [2] on cylinder N°1, tighten to 1 m.daN.
NOTE: Use a mirror “a” to connect the flexible tube of tool [2] on the dummy sparking plug of the
tool [2].
Connect tool [1] on tool [2].
Connect the battery negative cable.
Action the starter for 10 seconds (engine ECU disconnected).
The value for the pressure in the cylinder should be 20 ± 5 Bars (for a new engine).
Remove tool [1] from tool [2].
Remove the tool [2] from cylinder N°1.
Apply the same method to cylinders N°2, N°3 and N°4.
NOTE: The difference between any two cylinders should not be greater than 5 Bars.
Disconnect the battery.
Additional operations.
Refit the preheater plugs, tighten to 1 ± 0,1 m.daN.
Complete the refitting in the opposite order to removal.
IMPERATIVE: Carry out the operations that are necessary following a reconnection of the
battery (see corresponding operation).
B1BP33XC
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