Wacker Neuson BS 30, 6’’ 5216 [23/32] Maintenance

T00230GB

MAINTENANCE

Disassembly ramming system

* Loosen socket head cap screw.

* Lift crankcase up from guide cylinder until piston pin if accessible.

* Remove washer and circlip.

* Press piston pin out of guide piston.

* Loosen socket head cap screw and remove anti-torsional device.

* Remove spring cylinder out of guide cylinder.

* Remove ramming shoe.

* Remove eye bolt, spacer sleeve and Deva gasket out of guide cylinder.

☛ATTENTION! Springs are under tension

* Hold guide piston with a press before loosening bush cover, then remove bush cover and nylon wedge.

* Remove lower spring set.

* Remove damper and washer.

* Loosen hexagon nut with spring washer and piston guide.

* Remove upper spring set and damping bush.

Assembly

For rassembly proceed in the reversed order of dismantling and note the following:

* Wind up starter rope anti-clockwise and place return spring under tension by 1-2 rotations of the rope disc.

* Keep centrifugal drum and clutch free from grease.

* Remove grease from hexagon nut and guide piston. Secure hexagon nut with Omnifit 100 M and torque to

35 Nm (3,5 mkp).

* Replace nylon wedge. Wash bearings of mechanical part in petrol cleaning or similar do not grease.