Daewoo GC25E-3 Service Manual

G424 Service Manual Base Engine Service Procedure158
6EN0585
7EN0451
9EN0524
B Oil ring installation
(1) Fit the oil ring spacer into the piston ring groove. First,
install the upper side rail, and then install the lower side
rail.
NOTE:
1) The side rails and spacer may be installed in either
direction.
2) The new spacers and side rails are painted in the
following colors to identify their sizes.
(2) To install the side rail, first fit one end of the rail into the
piston groove, then press the remaining portion into
position by finger. See illustration.
Caution: The side rail could be broken if it is expanded with
a piston ring expander in the same way as with a
compression ring.
(3) Make sure that the side rails move smoothly in either
direction.
C Piston ring No.2/piston ring No.1 installation
(1) To prevent wrong installation, check the identification
mark of each piston ring. The installation mark is
stamped near the ring gap.
NOTE: Size mark on piston ring are as follows.
Size Identification color
STD No color
0.50 mm (0.020 in.) O.S. Blue
1.00 mm (0.040 in.) O.S. Yellow
Size Size mark
STD Paint red
0.50 mm (0.020 in.) O.S. 50
1.00 mm (0.040 in.) O.S. 100
Side
rail
Spacer
Side rail gap
Identification
Identification
mark
Size mark

Daewoo GC25E-3 Specifications

General

Brand	Daewoo
Model	GC25E-3
Category	Engine
Language	English