Midland BENCHMARK HH0408 - Troubleshooting

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11. TROUBLESHOOTING
Problem Cause Solution
Engine difcult to
start.
 Out of fuel.
 Engine Switch OFF.
 Engine is not primed.
 Spark plug wire
disconnected.
 Fouled spark plug.
 Dirty Carburetor.
 Clogged air lter.
 Contaminated Fuel.
 Add fresh fuel.
 Turn engine switch ON.
 Press the primer bulb 3
times.
 Attach spark plug wire to
spark plug.
 Remove spark plug.
Inspect. Replace if
necessary.
 Take unit to an authorized
service center for
carburetor cleaning.
 Remove and clean air
lter.
 Drain fuel tank. Clean fuel
tank. Fill with fresh fuel.
Engine Problems.
The engine smokes
excessively, runs
very “rough,” runs
erratically, or cannot
maintain full speed.
 No Engine Oil.
 Engine oil not at
proper level.
 Fouled spark plug.
 Clogged air lter.
 Contaminated Fuel.
 Carburetor out of
adjustment.
 Add engine oil.
 Check engine oil. Add
or drain engine oil if
necessary.
 Remove spark plug.
Inspect. Replace if
necessary.
 Remove and clean air
lter.
 Drain fuel tank. Clean fuel
tank. Fill with fresh fuel.
 Take unit to an authorized
service center for
carburetor adjustment.
Excessive vibration
and noise.
 Loose parts.
 Engine problems
(above).
 Tighten all fasteners.
 Refer to engine solutions
(above).