Wacker Neuson DS 70 User Manual

Rammer Repair Troubleshooting
wc_tx000291gb.fm 129
9.2 Engine Does Not Start
(1)
Does not apply to the DS 720 or DS 70 Rammer.
9.3 Engine Does Not Accelerate or Runs Poorly
(1)
Does not apply to the DS 720 or DS 70 Rammer.
Problem / Symptom Reason / Remedy
There is no fuel in the tank. Add fuel.
The fuel valve is closed. Open the fuel valve.
The spark plug is fouled
(1)
.
Clean or replace the spark plug. Set the electrode gap.
The fuel filter is plugged. Replace the fuel filter. Inspect the fuel lines.
The fuel mixture adjustment is
incorrect
(1)
.
Set the adjusting screw and clean the fuel jets.
The ignition module has failed. Replace the ignition module.
On machines with oil injection,
the float switch has failed.
Replace the float switch.
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. Fill with new mixed fuel.
The spark plug is fouled
(1)
.
Clean or replace the spark plug. Set the electrode
gap.
Incorrect spark plug
(1)
.
Must use resistor-type spark plug to operate correctly.
The muffler or the 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, WM 90, or
Yanmar Engine Repair Manual).
The fuel mixture adjustment is
incorrect
(1)
.
Set the adjusting screw and clean the fuel jets.
There is an air leak in the car-
buretor system
(1)
.
Check all the connections.

Wacker Neuson DS 70 Specifications

General

Brand	Wacker Neuson
Model	DS 70
Category	Vibratory rammers & tampers
Language	English