Generac Power Systems MAC1.2G, Руководство пользователя

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26 Owner’s Manual for Indirect Fired Heater
Troubleshooting
Problem Cause Solution
Engine emits black, gray, or
blue smoke
Restricted or dirty air cleaner.
Replace air cleaner element as
required.
Incorrect type of fuel.
Drain fuel and replace with proper
grade, type, and quality of fuel for oper-
ating condition.
Engine burning oil.
Contact a GMP ASD.
Electronic control system problem or basic
engine problem.
Cracked or damaged exhaust filter.
Dirty fuel injectors.
Engine overheats
Restricted or dirty air cleaner.
Replace air cleaner element as
required.
Insufficient coolant in cooling system.
Fill cooling system to proper level.
Check radiator and hoses for loose
connections or leaks. See Adding
Coolant .
Insufficient engine oil.
Check oil level. Add oil as required.
See Draining and Refilling the Oil .
Dirty radiator core. Clean cooling system as required.
Cooling system needs flushing. Flush coolant system.
Engine overloaded. Reduce engine load.
Loose or faulty fan belt.
Check automatic belt tensioner and
belts. Replace as required.
Faulty or wrong type of thermostat(s).
Test thermostat opening temperature,
replace thermostats as required.
Faulty radiator cap. Replace radiator cap as required.
Faulty temperature gauge or sender.
Check coolant temperature with ther-
mometer and replace if necessary.
Incorrect grade of fuel.
Drain fuel and replace with proper
grade, and quality of fuel for operating
condition.
Damaged or leaking cylinder head gasket.
Contact a GMP ASD.
Faulty coolant pump.
Coolant temperature below
normal
Faulty thermostat(s).
Test and replace thermostats as
required.
Faulty temperature gauge or temperature
sender.
Check gauge, sender, and connec-
tions.
Coolant in crankcase
Faulty cylinder head gasket.
Contact a GMP ASD.
Cracked cylinder head or block.
Leaking cylinder liner seals.
Pitted cylinder liners.
Leaking oil cooler.
Faulty oil cooler O-rings.
Leaking EGR cooler system.
Faulty coolant pump seal; weep hole
plugged; coolant leaking through bearing.