Wacker Neuson BS 30, 6’’ 5216 [22/32] Maintenance

T00230GB

MAINTENANCE

Engine

* Air filter: Clean by means of tapping or blowing. Do not use petrol or any similar cleaning agents. Change

heavily soiled filters or filters already cleaned several times. Check filter seat before assembly.

* Fuel system and carburettor: Clean parts regularly with petrol, blow through jets.

* Spark plug: Clean dirty or wet spark plugs. Check spark plug gap (0,5 mm).

* Ignition: Gap between fan 0,3 - 0,4 mm.

* Cylinder: Keep cooling fins clean.

* Rewind starter: Oil bearing bolts lightly after approx. 200 hours of operation.

Ramming system

Grease check

* Lubricate breaker every day before starting operation. For this purpose apply the grease gun to the red-

marked grease nipples on the crankcase (approx. 20 strokes of the grease gun).

* Grease spring of ramming system every 100 hours of operation For thes purpose expose percusion system.

(See disassembly of ramming system).

* Every 600 hours of operation renew grease in bearings of crank machanism. Wash bearings thoroughly in

pure petrol or trichlorethelene and fill the approx. 2/3 full with grease. Make sure not to fill in a greater or

lesser amount than that specified.

* Check and/or tighten all external screw connections three hours after first operation or after repairs. This

applies in particular to the mounting screws of the base plate of the ramming shoe.

Assembly instructions

Disassembly engine

Starter

* Detach starter from engine,

* Remove hexagon nut, remove elastic washer and guide disk,

* Remove torsion spring, catch,

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

sheave,

* Remove rope sheave and return spring.

Access to the ignition system

Remove raised countersunk head screw, remove fan hood with starter, remove the ignition armature by loos-

ening the screws. Use extractor (no. 0046503) to remove fan wheel.

Centrifugal clutch

☛ATTENTION! Do not start disassembled engine before clutch is removed.