Doosan GC25P-3 User Manual

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LP Engine G430(3.0L) Base Engine Service Procedure
2. Install the piston rings onto the piston.
The mrked side of the piston rings must face toward
the top of the piston.
3. Use the following procedure in order to locate the
piston ring gaps:
(1) Install the oil ring spacer in groove and insert
antirotation tang in oil hole.
(2) Hold the spacer ends together and install lower
oil ring rail with the gap properly located.
(3) Install the upper oil ring rail with the gap properly
located.
(4) Flex the oil ring assembly to make sure the rings
are free.
(5) Install the lower compression ring.
(6) Install the upper compression ring.
Camshaft and Bearings Clean
and Inspect
Tools Required
• J 7872 Magnetic Base Indicator Set
CAUTION: Wear safety glasses in order to avoid eye
damage.
1. Clean the camshaft in solvent.
2. Dry the camshaft with compressed air.
3. Inspect the camshaft bearing journals for scoring or
excessive wear.
4. Inspect the camshaft valve lifter lobes for scoring or
excessive wear.
5. Inspect the camshaft retainer plate for wear.
VE075-3L
VE074-3L
VE0123-3L

Doosan GC25P-3 Specifications

General

Brand	Doosan
Model	GC25P-3
Category	Engine
Language	English