Kohler COM7.5, Руководство по обслуживанию

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TP-6120 5/02 15 Section 3 General Troubleshooting
Troubleshooting Chart (continued)
Problem Possible Cause Corrective Action Reference
Unit stops suddenly Air cleaner clogged Clean or replace the air cleaner element. Section 2.4 p y
Faulty spark plug(s) Replace or regap the spark plugs. Section 2.6.2
Fuel starvation Replenish fuel. —
Engine harness loose connection Check and tighten connections. —
Fault shutdown Check the controller LED. Correct the
fault and reset controller. Test shutdown
operation. Sections 5.1.6
and 5.2
Faulty shutdown switch Test switches and replace if necessary. Section 4.7
Unit lacks power or
t ti ll
Engine harness loose connection Check and tighten connections. — p
operates erratically
Air cleaner clogged Clean or replace the air cleaner element. Section 2.4
Insufficient cooling Inspect and clean the cooling system. Section 2.7
Engine overload Reduce the load on the generator set. —
Faulty spark plug Replace or regap the spark plugs. Section 2.6.2
Fuel supply problem Check the valves and fuel pressure. Section 4.5
Governor system problem Check the governor and throttle linkage. Section 4.2
Unit does not supply
load Fuel supply problem Check for the correct fuel and fuel block
connection. Section 4.5
Excessive load Check that the load does not exceed the
rating, 3.5 or 5 kW. —
Throttle linkage binding Check that the throttle linkage is free to
move and open while engine is running. Section 4.2
Undervoltage Check that the voltage with no load
matches the rating shown in Section 1.3,
Specifications. Section 1.3 and
Section 4.1
Engine noise Hydraulic lifter leakdown Run the unit 5--10 minutes under load. —
Unit overheats Air openings clogged Clean the intake and outlet openings. Section 2.7
Air cleaner clogged Clean or replace the air cleaner element. Section 2.4
Overload Verify that the load is within the specified
range. Reduce load. Section 1,
Specifications