Wacker Neuson BS 50-2i User Manual

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5000114549 11 0411

5000114549

Repair Manual

Rammer

BS 50 / BS 60 / BS 70

BS 500 / BS 600 / BS 700

BS 65 / BS 650

DS 70 / DS 720

EN

Table of Contents

Questions and Answers:

B
Bradley MooreAug 14, 2025
Why Wacker Neuson Vibratory rammer & tamper engine hard to start?
- M
  Mitchell StrongAug 14, 2025
  If your Wacker Neuson vibratory rammer & tamper engine is hard to start, several factors could be the cause. It could be due to dirty air filters, which require cleaning or replacement. Another cause might be too much oil in the fuel, necessitating draining the old fuel and replacing it with a fresh mixture. Fouled or incorrect spark plugs, a dirty muffler or exhaust port, an incorrect fuel mixture adjustment, or low engine compression can also prevent the engine from starting easily. In the case of leaking crankshaft seals or low engine compression, consult the WM 80 Engine Repair Manual or the WM 80, WM 90 or Yanmar Engine Repair Manual respectively.
R
Ronald SmithAug 17, 2025
What to do if Wacker Neuson Vibratory rammer & tamper engine does not start?
- K
  Karla MeyerAug 18, 2025
  If your Wacker Neuson vibratory rammer & tamper engine won't start, begin by checking if there's fuel in the tank and ensuring the fuel valve is open. A fouled spark plug could also be the culprit; try cleaning or replacing it and setting the electrode gap. Other potential issues include a plugged fuel filter (replace it and inspect the fuel lines), an incorrect fuel mixture adjustment (adjust the screw and clean the fuel jets), a failed ignition module (replace it), or, on machines with oil injection, a failed float switch (replace it).
T
taylorgilbertAug 21, 2025
Why Wacker Neuson Vibratory rammer & tamper engine does not accelerate?
- P
  Paula RodriguezAug 21, 2025
  If your Wacker Neuson vibratory rammer & tamper engine isn't accelerating properly or is running poorly, consider these potential causes: dirty air filters (clean or replace them), too much oil in the fuel (drain the tank and refill with new mixed fuel), a fouled or incorrect spark plug (clean, replace, and ensure it's a resistor-type), a dirty muffler or exhaust port (clean them), an incorrect fuel mixture adjustment (adjust the screw and clean the fuel jets), or an air leak in the carburetor system (check all connections). For leaking crankshaft seals, consult the WM 80, WM 90, or Yanmar Engine Repair Manual.
D
djohnsonAug 25, 2025
Why Wacker Neuson Vibratory rammer & tamper overheats?
- S
  Sarah CrawfordAug 25, 2025
  If your Wacker Neuson vibratory rammer & tamper engine is overheating, it could be due to not enough oil in the fuel mix, which requires draining the tank and refilling it with new mixed fuel. Alternatively, the carburetor fuel mix may be set too lean, requiring a reset of the carburetor adjustments. Another potential cause is cooling fins or fan blades packed with dirt, which means you'll need to clean the debris from the fins and blades.
K
Karen LevineAug 27, 2025
Why Wacker Neuson Vibratory rammer & tamper jumps erratically?
- D
  David BrooksAug 28, 2025
  If your Wacker Neuson vibratory rammer is jumping erratically, it could be due to oil or grease on the clutch, which requires inspection and cleaning. Another cause might be broken or worn springs in the ramming system, damaged parts in the spring cylinder assembly, or damaged parts in the crankcase assembly; all these issues require disassembling the relevant components, inspecting them, and replacing any damaged parts. Additionally, soil buildup on the ramming shoe or an engine speed that is too low can also cause erratic jumping. Clean the shoe and adjust the engine speed to resolve these issues.
J
Jordan JordanAug 31, 2025
What to do if the air filters are dirty on Wacker Neuson Power Tools?
- A
  alexander72Aug 31, 2025
  If the air filters on your Wacker Neuson Power Tools are dirty, you should clean or replace them.
D
Dustin McdonaldSep 3, 2025
What to do if the spark plugs are fouled in Wacker Neuson Power Tools?
- C
  Christopher FosterSep 3, 2025
  If the spark plugs are fouled in your Wacker Neuson Power Tools, you should clean or replace the spark plug and measure the electrode gap.
K
Kimberly NguyenSep 6, 2025
What to do if there is too much oil in the fuel of Wacker Neuson Power Tools?
- C
  Claudia MartinezSep 7, 2025
  If there's too much oil in the fuel of your Wacker Neuson Power Tools, drain the fuel tank and refill it with new mixed fuel.
D
Dustin HernandezSep 10, 2025
What to do if the muffler or exhaust port is dirty on Wacker Neuson Power Tools?
- M
  Mark RogersSep 12, 2025
  If the muffler or exhaust port is dirty on your Wacker Neuson Power Tools, remove and clean the muffler, and clean the exhaust port.

Wacker Neuson BS 50-2i Specifications

General

Engine power	2.2 kW
Working width	280 mm
Engine manufacturer	Honda
Fuel type	Unleaded petrol
Fuel consumption	0.8 L/h
Tamping foot width	280 mm
Impact force	15 kN
Compaction depth	30 cm
Centrifugal force	15 kN
Tamping foot length	500 mm

Summary

Rammer Repair Foreword

Expectations for Information in this Manual

Manual provides safe operation and maintenance procedures. Read and understand all instructions.

Safety Information

Signal Words Used in this Manual

Explains DANGER, WARNING, CAUTION, NOTICE, and NOTE signal words for hazard communication.

Machine Description and Intended Use

Details the rammer's components and its intended purpose for soil compaction.

Safety Guidelines for Operating the Machine

Covers operator qualifications, training, PPE, and essential operating safety rules.

Operator Safety while Using Internal Combustion Engines

Focuses on hazards of engine operation, refueling, and exhaust gases like carbon monoxide.

Service Safety

Highlights safety measures for maintenance, including PPE and service training.

Service and Repair Safety

Emphasizes using proper tools, equipment, and safe practices for service and repair.

Maintenance Schedules

Periodic Maintenance Schedule (BS 50/60/70-2, BS 65)

Maintenance tasks and intervals for BS 50/60/70-2 and BS 65 models.

Periodic Maintenance Schedule (BS 500/600/700/650)

Maintenance tasks and intervals for BS 500/600/700/650 models.

Periodic Maintenance Schedule (BS 50/60/70-2i)

Maintenance tasks and intervals for BS 50/60/70-2i models.

Periodic Maintenance Schedule (BS 500/600/700-oi)

Maintenance tasks and intervals for BS 500/600/700-oi models.

Periodic Maintenance Schedule (DS 70)

Maintenance tasks and intervals for DS 70 models.

Periodic Maintenance Schedule (DS 720)

Maintenance tasks and intervals for DS 720 models.

Engine and Upper Machine Components

Clutch (2- and 4-stroke models)

Instructions for removing and installing the clutch on 2- and 4-stroke models.

Ramming System

Spring System Cover Removal and Installation

Detailed procedure for safely removing and installing the spring system cover.

Spring System

Instructions for disassembling and assembling the spring system, including bushing replacement.

Inspecting the Spring System

Guidance on inspecting springs for wear and checking cylinder wall for damage.

Ramming System Lubrication (BS 500/600/700/650, DS 720)

Instructions for checking and changing oil in the ramming system for specific models.

Ramming System Lubrication (BS 50/60/70, BS 65, DS 70)

Crankcase

Crank Gear and Connecting Rod

Detailed procedure for removing and assembling the crank gear and connecting rod.

Crank Gear, Connecting Rod, and Adjuster Assembly (BS 650/65 only)

Clutch Drum

Oil Injection (if equipped)

Testing the Float Switch (2010 and later models)

Testing/Replacing the Oil Pump

Low Oil Shutdown (if equipped)

Testing the Low Oil Unit

Procedure for testing the low oil unit's functionality using a 9V battery.

Troubleshooting

Engine Hard to Start

Lists common causes and remedies for engine starting difficulties.

Engine Does Not Start

Troubleshooting steps for when the engine fails to start.

Engine Does Not Accelerate or Runs Poorly

Addresses issues with engine acceleration and poor running performance.

Engine Overheats

Identifies reasons for engine overheating and their solutions.

Rammer Does Not Tamp

Troubleshooting steps for when the rammer fails to tamp effectively.

Rammer Jumps Erratically

Diagnoses and provides solutions for erratic rammer operation.

Technical Data

Torque Values

Metric Fasteners (DIN) Torque Values

Inch Fasteners (SAE) Torque Values

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