24
Owner’s Manual for Indirect Fired Heater
Troubleshooting
Hard to start or will not start
Engine starting under load.
Disengage PTO.
Incorrect starting procedure.
Review starting procedure. See
and
.
Restricted exhaust.
Check and correct exhaust restriction.
No fuel.
Check fuel tank and replenish.
Air in fuel line.
Purge fuel lines. See engine manual.
Poor fuel quality.
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Water, dirt, or air in fuel system.
Drain, flush, fill, and purge fuel sys-
tem. See the engine manual.
Fuel filter restricted or full of water.
Replace fuel filter or drain water from
fuel filter.
Dirty or faulty fuel injectors.
Contact a GMP ASD.
Electronic fuel system problem.
Cold weather.
Use cold weather starting aids (see
engine manual).
Excessive crankcase oil viscosity.
Drain crankcase oil and replace with
correct viscosity oil. See
Electronic control system problem or basic
engine problem.
Contact a GMP ASD.
Compressed air leakage from intake/
exhaust valves.
Fuel return valve or fuel supply valve OFF.
Set valve to ON.
Lack of engine power
Restricted air intake.
Service air cleaner.
Restricted exhaust.
Check and correct exhaust restriction.
Poor fuel quality.
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Restricted fuel filter.
Replace fuel filter elements.
Overloaded engine.
Reduce engine load.
Incorrect crankcase oil.
Drain crankcase oil and replace with
correct viscosity oil. See
Low coolant temperature.
Remove and check thermostat.
Incorrect valve clearance.
Adjust valve clearance or contact a
GMP ASD.
Dirty or faulty fuel injectors.
Contact a GMP ASD.
Air leak in engine intake or exhaust mani-
fold.
Check intake and exhaust manifold
gaskets and manifolds; repair as
required or contact a GMP ASD.
Engine is in derate due to DTC.
Contact a GMP ASD.
Electronic control system or basic engine
problem.
Problem
Cause
Solution
Содержание MAC MIH400HC
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