10.2 Engine faults
Fault
Possible cause
Remedy
Engine does not
start
Fuel tank empty
Check, fill up if necessary
Fuel system clogged
Clean the fuel screen in the tank
Replacing the fuel filter
Check the fuel screen in the carburettor
Have checked by qualified expert per-
sonnel
Set the engine stop switch to position
"OFF"
Set the engine stop switch to position
"ON"
Engine oil level too low
(The engine oil level warning lamp lights)
Check the engine oil level, correct if nec-
essary
No ignition spark
Clean the spark plug, replace if neces-
sary
Check the ignition coil
Have checked by qualified expert per-
sonnel
Engine stop switch defective
Have checked by qualified expert per-
sonnel
No fuel in carburettor
Check the fuel supply
Have checked by qualified expert per-
sonnel
Engine does not
crank when oper-
ating the recoil
starter
Recoil starter defective
Replace the recoil starter
Spring broken
Replace the recoil starter
Starter rope of
recoil starter does
not return to initial
position
Recoil starter dirty
Clean the recoil starter
Insufficient pre-tension of the spring
Check the pre-tension of the spring,
adjust if necessary
Spring broken
Replace the recoil starter
Engine stops fre-
quently in short
intervals
Fuel system clogged
Clean the fuel screen in the tank
Replacing the fuel filter
Check the fuel screen in the carburettor
Have checked by qualified expert per-
sonnel
Tank lid ventilation defective
Check that the tank lid ventilation is open,
if necessary replace the tank lid
Poor fuel quality
Check the fuel quality, if necessary
change the fuel
Engine does not
run with full speed
Throttle cable defective
Have checked by qualified expert per-
sonnel
Troubleshooting – Engine faults
DR7X
103
Summary of Contents for DR7X
Page 2: ...2...
Page 6: ...Table of contents DR7X 6...
Page 7: ...1 Introduction Introduction DR7X 7...
Page 11: ...2 Technical data Technical data DR7X 11...
Page 15: ...3 Concerning your safety Concerning your safety DR7X 15...
Page 38: ...Concerning your safety Signage DR7X 38...
Page 39: ...4 Indicators and control elements Indicators and control elements DR7X 39...
Page 41: ...5 Checks prior to start up Checks prior to start up DR7X 41...
Page 47: ...6 Operation Operation DR7X 47...
Page 58: ...Operation Operating hour meter engine rpm meter DR7X 58...
Page 59: ...7 Loading transporting the machine Loading transporting the machine DR7X 59...
Page 63: ...8 Maintenance Maintenance DR7X 63...
Page 98: ...Maintenance As required DR7X 98...
Page 99: ...9 Setting up refitting Setting up refitting DR7X 99...
Page 101: ...10 Troubleshooting Troubleshooting DR7X 101...
Page 108: ...Troubleshooting What to do if the engine has flooded DR7X 108...
Page 109: ...11 Disposal Disposal DR7X 109...
Page 111: ...12 List of special tools List of special tools DR7X 111...
Page 112: ...16 mm spark plug spanner Fig 16 mm spark plug spanner example List of special tools DR7X 112...
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