Wacker Neuson BS 50-4 Repair Manual

Oil Injection (if equipped) Rammer Repair
124 wc_tx001549gb.fm
7.5 Testing/Replacing the Oil Pump
Background
Oil-injection Rammers can run up to 65 hours on one tank of oil.
If the Rammer has been used for a long period of time, and it does not
appear to have used any oil and the oil line check valve is operating
correctly, remove and check the oil pump.
Requirements
• Carburetor removed
• Engine removed
• Oil tank at least 1/4 full
Removal and testing
Perform the procedure below to check the oil pump.
7.5.1 Remove the carburetor. See topic Removing the Carburetor.
7.5.2 Remove the engine. See topic Removing the Engine.
7.5.3 Remove the output hose (a) from the oil pump. Do not remove the
input hose.
7.5.4 Remove the three screws (b) that hold the pump assembly to the
engine.
7.5.5 Separate the pump from the cartridge portion of the pump assembly.
The cartridge may remain in the engine.

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