Specifications

19
4. Service Guide
4-4 Volute Cover Lower Damper Removal
EB6200, EB70 Series, EBZ4800, EBZ30/ 51/ 71 Series
● Remove the volute unit from the frame.
● Remove the all mount mounting screws, separate
volute cover from its case, then remove the lower
damper unit.
EBZ80 Series
● Remove the volute unit from the frame.
● Remove the cover by removing the three mounting
screws then remove the lower damper from the
volute case’s groove.
4-5 Flywheel Side Crankshaft Removal
EBZ4800, EBZ30/ 51/ 71/ 80 Series
● Be sure to extract the key beforehand.
● The precision fit between crankshaft and main
bearings is very tight. Be sure to use the press to
remove the crankshaft.
Never hit the crankshaft to remove it.
The crankshaft’s threading may be lost or the
shaft axis may deform.
● Secure the crankcase on support and then press
the crankshaft with the press via the guide.
Never press the crankshaft directly with the
press.
Doing so may damage the shaft’s threading.
CAUTION
CAUTION
Lower Damper
Volute Unit
Cover
Mounting Screw
Key
Press
Crankshaft
Support
Guide
Mounting Screw
Lower Damper
Volute Cover
Volute Case