Porshe 911 (997). Manual - part 38

 

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Porshe 911 (997). Manual - part 38

 

 

risulti perfetta, durante la stampa venga persa la corrispondenza fra testo e
relativa immagine.
Se tale difetto non viene rilevato vi è il pericolo che i lavori non siano eseguiti
correttamente; ciò può avere come conseguenza lesioni e danneggiamenti.

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→ Per questo motivo, dopo la stampa è assolutamente necessario confrontare le stampe con la
rappresentazione sullo schermo. In caso di errore si prega di correggere le stampe, così da
garantire la riproduzione esatta della rappresentazione sullo schermo.

ADVERTENCIA

Al imprimir se corre el riesgo de perder la correcta asignación de las figuras al texto.

Por motivos técnicos, por el momento no se puede descartar que, aun siendo
correcta la imagen que aparezca en la pantalla, al imprimir se pierda la
correlación entre el texto y la figura correspondiente.

• 

Si este error pasara desapercibido, existe el riesgo de que los trabajos no se
ejecuten de forma correcta y, por tanto, se produzcan daños personales y
materiales.

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→ Por ello le rogamos que tras el proceso de impresión compare siempre las copias impresas con
la imagen de la pantalla. En caso de error, corrija las copias impresas de forma que se
correspondan con el contenido de la imagen de la pantalla.

Diagnostic system: reading out fault memory and activating systems

Subsequent work for crankshaft sealing ring on flywheel side

309

Overview of double-mass flywheel, 3.8 l

Component overview

1 - Double-mass flywheel, 3.8 l

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2 - Fastening screw for double-mass flywheel, (8 M10 screws)

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3 - Clutch plate

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4 - Clutch pressure plate

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5 - Fastening screw for clutch pressure plate, (6 M8 screws)

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Toothed segment 9538/1

Note

The toothed segment 9538/1 must be bored to ø 15 mm to guarantee a perfect fit and to avoid damaging the
thread in the crankcase.

1. To counter, fit toothed segment 9538/1 to the crankcase using an M12 x 50 hexagon-head bolt (fine

thread).

Diagnostic system: reading out fault memory and activating systems

Removing double-mass flywheel - 3.8 l

311

Flywheel, 3.8 l

2. Loosen and unscrew fastening screws on flywheel. Carefully take off flywheel (watch the thread!). Undo

fastening screw for toothed segment.

Note

Check the friction surface of the flywheel. The flywheel must be replaced if it is damaged or discoloured.

3. Inspect the friction surface of the flywheel visually.

Installing double-mass flywheel

Installing double-mass flywheel

Note

Before re-installation, clean the friction surface of the flywheel with a clean lint-free cloth that has been
soaked in solvent naphtha or acetone.

1. Position double-mass flywheel on the crankshaft's dowel pin and press on to the crankshaft flange. Insert

all fastening screws (8).

2. Align toothed segment 9538/1 and tighten fastening screw

again.

3. Screw in and tighten fastening screws in diagonally opposite sequence. → Initial tightening: 19 ftlb. ; →

Final tightening - torque angle: 120 °

4. Remove toothed segment.

Subsequent work

Subsequent work for double-mass flywheel

1. Install clutch → 305019 Removing and installing clutch - chapter on

"installing".

2. Install manual transmission → 343519 Removing and installing transmission - chapter on

"installing" [997430 997431 997620 997621]→ 343519 Removing and installing transmission - chapter on
"installing" [997120 997121 997320 997321].

Diagnostic system: reading out fault memory and activating systems

 Installing double-mass flywheel

312

 

 

 

 

 

 

 

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