Doosan GC25P-3 User Manual

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LP Engine G430(3.0L) Governor System
Surging
If surging is observed, perform the following
steps:
1. Turn the ADJUSTING SCREW clockwise
approximately 90 degrees. (Increase of maxi-mum
engine speed without load with this adjustment
should be less than 100 RPM.
2. Turn the ADJUSTING SCREW BUSHING
counterclockwise until the maximum engine speed
without load comes into specification.
3. Check if surging is still present when engine is
subjected to engine load.
If surging is still present, repeat steps 1 thru 3 until
adjusted properly.
4. Install lock wire through holes in adjusting screw
and bushing to prevent screw from moving due to
engine vibration.
No Surging But RPM Variance Greater Than 100
RPM
When no surging is observed but the engine RPM
difference is greater than 100 RPM between no load
and full load, perform the following steps:
1. Turn the ADJUSTING SCREW BUSHING
clockwise 90 degrees.
2. Turn the ADJUSTING SCREW counterclock-wise to
adjust the maximum engine speed without load to
specification.
3. Check if surging is observed when engine is
operated under load.
If necessary repeat steps 1 thru 3 until adjusted
properly.
4. Install lock wire through holes in adjusting screw
and bushing to prevent screw from moving due to
engine vibration

Doosan GC25P-3 Specifications

General

Brand	Doosan
Model	GC25P-3
Category	Engine
Language	English