Wacker Neuson DS 70

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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:

D
Diana TurnerAug 14, 2025
Why Wacker Neuson Vibratory rammer & tamper engine hard to start?
- T
  Tracy Doyle DDSAug 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.
L
Laura McgeeAug 17, 2025
What to do if Wacker Neuson Vibratory rammer & tamper engine does not start?
- P
  Patrick KleinAug 17, 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).
M
Michael WilkersonAug 21, 2025
Why Wacker Neuson Vibratory rammer & tamper engine does not accelerate?
- C
  chenmelissaAug 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.
S
srogersAug 25, 2025
Why Wacker Neuson Vibratory rammer & tamper overheats?
- M
  Michael BrennanAug 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.
B
Bonnie RileyAug 27, 2025
Why Wacker Neuson Vibratory rammer & tamper jumps erratically?
- R
  Richard GarciaAug 27, 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.
H
hchavezAug 31, 2025
What to do if the air filters are dirty on Wacker Neuson Power Tools?
- A
  andrewwaltersAug 31, 2025
  If the air filters on your Wacker Neuson Power Tools are dirty, you should clean or replace them.
B
Brittany MooreSep 3, 2025
What to do if the spark plugs are fouled in Wacker Neuson Power Tools?
- J
  Jacob DaySep 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.
J
Jennifer MitchellSep 6, 2025
What to do if there is too much oil in the fuel of Wacker Neuson Power Tools?
- J
  Jared MorrisSep 6, 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.
M
Michelle RobinsonSep 10, 2025
What to do if the muffler or exhaust port is dirty on Wacker Neuson Power Tools?
- M
  mooneypamelaSep 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 DS 70 Specifications

General

Percussion rate	700 blows/min
Engine manufacturer	Honda
Tamping foot width	280 mm
Ramming shoe size (W x L)	280 x 340 mm
Engine type	Petrol
Fuel tank capacity	3 l
Travel speed	20 m/min
Stroke	50 mm
Engine power	1.3 kW
Centrifugal force	12 kN
Impact rate	700 blows/min
Tamping foot length	340 mm

Summary

Safety Information

Signal Words Used in this Manual

Machine Description and Intended Use

Details the rammer's function, components, and intended applications.

Safety Guidelines for Operating the Machine

Outlines operator qualifications, training, and PPE requirements.

Operator Safety while Using Internal Combustion Engines

Covers safe operation of engines, including refueling and exhaust hazards.

Service Safety

Provides safety guidelines for machine maintenance and repairs.

Service and Repair Safety

Maintenance Schedules

Periodic Maintenance Schedule (BS 506070-2, BS 65)

Outlines daily, weekly, monthly, and annual maintenance tasks.

Periodic Maintenance Schedule (BS 500600700650)

Lists maintenance tasks based on operating hours or time intervals.

Periodic Maintenance Schedule (BS 506070-2 i)

Details recommended maintenance for specific rammer models.

Periodic Maintenance Schedule (BS 500600700-oi)

Covers routine checks and replacements for oil-injected models.

Periodic Maintenance Schedule (DS 70)

Provides a maintenance checklist for the DS 70 model.

Periodic Maintenance Schedule (DS 720)

Details routine maintenance for the DS 720 model.

Engine and Upper Machine Components

Replacing the Throttle Control (2-stroke models, 2010 and later)

Replacing the Throttle Control (2010 4-stroke models)

Throttle Control (pre-2010 models)

Replacing the Stop Switch (2-stroke models, 2010 and later)

Replacing the Stop Switch (4-stroke models, 2010 and later)

Replacing the Guide Handle (2-stroke models, 2010 and later)

Replacing the Guide Handle (4-stroke models, 2010 and later)

Replacing the Guide Handle (pre-2010 models)

Tillotson Carburetor (BS 500600700650 only)

Fuel Lines (BS 506070-2, BS 65)

Replacing the Walbro Carburetor (auto-release choke models)

Replacing the WM 80 Engine (2010 and later models)

Removing Walbro Carburetor (standard choke models)

Replacing the WM 80 Engine (pre-2010 models)

Replacing the Carburetor (WM 100 Engines)

Replacing the WM 100 Engine

Removing the WM 90 Engine

Engine (DS Models)

Clutch (2- and 4-stroke models)

Instructions for clutch removal, inspection, and installation.

Clutch (DS 720 only)

Procedure for clutch service on DS 720 models.

Clutch (DS 70 only)

Steps for clutch maintenance on DS 70 models.

Ramming System

Bellows

Replacing the Ramming Shoe

Spring System Cover Removal and Installation

Detailed procedure for handling pressurized spring system covers.

Spring System

Inspecting the Spring System

Ramming System Lubrication (BS 500600700, DS 720)

Procedure for checking and changing ramming system oil.

Ramming System Lubrication (BS 506070, BS 65, DS 70)

Guidance on oil level checks and changes for specific models.

Crankcase

Crank Gear and Connecting Rod

Detailed instructions for removing and assembling crank gear and rod.

Crank Gear, Connecting Rod, and Adjuster Assembly (BS 65065 only)

Specific procedures for BS 650/65 crank components.

Clutch Drum

Steps for clutch drum removal and installation.

Oil Injection (if equipped)

Testing the Float Switch (2010 and later models)

Replacing the Float Switch (2010 and later models)

Float Switch Testing and Replacement (pre-2010 models)

Oil Line Check Valve

TestingReplacing the Oil Pump

Low Oil Shutdown (if equipped)

Testing the Low Oil Unit

Troubleshooting

Engine Hard to Start

Lists common causes and remedies for starting difficulties.

Engine Does Not Start

Troubleshooting steps for engines that fail to start.

Engine Does Not Accelerate or Runs Poorly

Solutions for acceleration issues and poor engine performance.

Engine Overheats

Reasons for engine overheating and corrective actions.

Rammer Does Not Tamp

Troubleshooting steps when the rammer fails to compact soil.

Rammer Jumps Erratically

Identifies causes and solutions for erratic rammer operation.

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