Engine Operating Trouble; Fuel Supply - LIMBACH L 2000 EA Operating And Maintenance Manual

Possible Cause:
Fuel tank empty (faulty indication of fuel
gauge).
Fuel valve closed or filter locked.
Fuel line defective or not connected.
Fuel pump defective.
Induction system leakage.
Carburetor contaminated or locked.
Choke not operated to its stop (cold engine).

12.2 Engine Operating Trouble

The following phenomena are considered to be engine operating trouble:
•
uneven and irregular engine run
•
temporary interruptions
•
low power
•
engine overheat
•
rough engine run
Consider reasons as per section 12.1 besides the ones listed below.

12.2.1 Fuel Supply

Possible Cause:
Insufficient fuel flow (Fuel ventilation lokked,
lines blocked or defective, filter or
screens blocked).
Insufficient fuel pump pressure.
Fuel pump defective.
Float valve contaminated, jammed or
worn.
Wrong carburetor float level.
Edition: 01.03.2016
Operating Manual L 2000
Remedy:
Refuel, replace fuel gauge.
Open fuel valve, clean or replace filter.
Replace or connect fuel line.
Repair or replace fuel pump.
Check induction system for leakage and
replace, if necessary, tighten joints.
Clean carburetor.
Operate choke and check as necessary.
Remedy:
Check tank ventilation, lines, filter and
screens and replace as necessary.
Check fuel pump pressure and correct, if
necessary.
Repair or replace fuel pump.
Clean or replace float valve.
Adjust float level.
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