Wacker Neuson BH 23 Manual del operador descargar pdf (Pagina 30)

Maintenance

T00932GB 28

Centrifugal clutch

Do not start disassembled engine before clutch is removed.

6.4.1 Crankcase

To disassemble the crankcase remove the 4 fastening screws at the

bearing flange and then remove the bearing flange with the crank gear

from the crankcase. Press crank gear out of bearing flange with screws

(outer borings), remove safety ring and then press out the bearing with

screws (inner borings). Press the centrifugal clutch drum axially out of

the crankcase.

6.5 Assembly

For assembly, proceed in reverse order. The following has to

be observed in particular:

∗ Keep centrifugal clutch drum and clutch free from grease.

∗ Seal off areas between crank case and bearing flange plus crank case

and guide cylinder with Omni-Visc, Type 1002.

∗ Wash out bearings and regrease.

∗ Fill inside of Nilos ring and space in the crank gear with grease.

∗ Grease the O-ring at the tool holder.

∗ Tighten the necked-down screws at the tool holder with 75 Nm (7,5

kpm).

∗ Tighten the oscillating suspension unit studs with 40 Nm and secure

with Omnifit 100M.

∗ Assemble connecting rod with flattened-down ribs in direction of crank

gear: (counterweight should not graze connecting rod).

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Wacker Neuson BH 23 Manual del operador Pagina 30