3
86
E
N
G
IN
E ASS
E
M
B
LY AN
D CO
NTRO
LS
PRESSURE CONTROL VALVE
40) Screw;
41) Thrust washer;
42) Spring;
43) Ball
3.11.3 CHECKING AND ASSEMBLY OF
PRESSURE CONTROL VALVE
The pressure control valve is made up of a ball
43
,
spring
42
, calibrated washer
41
and screw
40
.
Check the length of the free spring on this compo-
nent:
Service limit: 29.5mm
Tighten the screw at a torque of 20Nm.
Attention:
If one of these elements making up the control
valve is not inserted, engine functioning will be jeopar-
dised.
Attention:
always restore the original thickness value of
the washer
41
. If this should be replaced, have it chan-
ged with one having the same original thickness.
Attention
: once valve assembly is complete, apply a
6 mm diameter x 8 mm length aluminium rivet
A
in
the hexagonal slot. This device prevents accidental
dismounting of the pressure regulation valve.
20Nm
A
