Volvo 2001 User Manual

Pistons, cylinders
21 . Check the wear on pistons, piston rings and gudgeon
pins . Replace these if necessary .
Use a
cylinder
indicator
gauge to measure the cylinder bores . The measurement of
the
biggest wear is made immediately beneath the edge of
the upper dead center and crosswise the engine
.
The
mea
surement of the smallest wear is made at the lower dead
center . As to the cylinder diameter,see "Technical
Data" .
Use a micrometer to measure the pistons . Piston diameter,
see under "Technical Data" .
22 . Inserta new piston ring into the cylinderand
measure
the piston ring
gap . As to the measurement, see under
"Technical Data" . If necessary increase the
gap,
using
a
special file .
23
.
Measure the clearance of the piston rings in the
piston
ring grooves . Regarding
the measurement,
see under
"Technical Data" .
24 .
Use piston
ring pliers
to install the piston rings . The
marking of the rings (TOP or the mark of the
manufacturer)
must
be
turned
upwards . The height of the upper com
pression ring : 1,75 mm ( .068898 in .) The height
of the
lower compression ring ;
2,00 mm ( .07874 in .) . Turn the
piston rings so that the gaps are turned 120
° from each
other.
Connecting
rods
25 . Check the connecting rods for
straightness and
twisting
.

Volvo 2001 Specifications

General

Brand	Volvo
Model	2001
Category	Engine
Language	English