Wacker Neuson BS 50-4 Repair Manual

Troubleshooting Rammer Repair
128 wc_tx000291gb.fm
9 Troubleshooting
9.1 Engine Hard to Start
(1)
Does not apply to the DS 720 or DS 70 Rammer.
Problem / Symptom Reason / Remedy
The air filters are dirty. Clean or replace the filters.
There is too much oil in the
fuel
(1)
.
Drain the fuel from the tank and fill it with new mixed
fuel.
The spark plugs are fouled
(1)
.
Clean or replace the spark plug. Measure the electrode
gap.
Incorrect spark plug
(1)
.
Must use resistor-type spark plug to operate correctly.
The muffler or exhaust port is
dirty.
Remove and clean the muffler. Clean the exhaust port.
The crankshaft seals are leak-
ing.
Check/replace the seals (see the WM 80 Engine
Repair Manual).
The fuel mixture adjustment is
incorrect
(1)
.
Set the adjusting screw and clean the fuel jets.
The engine compression is
low.
Replace the piston rings (see the WM 80, WM 90 or
Yanmar Engine Repair Manual).

Wacker Neuson BS 50-4 Specifications

General

Engine Manufacturer	Honda
Stroke Height	65 mm
Fuel Type	Gasoline
Centrifugal Force	15 kN
Sound Pressure Level	92 dB(A)
Sound Power Level	105 dB(A)
Height	965 mm
Ramming Shoe Size	280 mm
Tank Capacity	3.1 l
Fuel Tank Capacity	3.1 l
Engine Type	4-cycle, single-cylinder, air-cooled
Percussion Rate	680 blows/min