Volvo D20 - Group 22 Lubricating System; Group 23 Fuel System

Specifications
Group 22 Lubricating system
Oil pressure sensor
Cut-out point, indicator lamp goes out at ................................. 15-45 kPa
2.1-6.4 psi
Lubricating oil pump
Relief valve spring length at different loads:
Length
Load
mm in N
L=49 1.93 O
L
1
= 22 0.87 179-195
L
2
= 19.8 0.78 approx 200
(completely compressed)
Group 23 Fuel system
INJECTION PUMP
Injection timing (pump plunger strake at T.D .C.)
D20 ............................................................................................ .
D24 ............................................................................................ .
D 24 USA/Canada 1979-81 ....................................................... .
D 24 USA/Canada 1982- ........................................................... ..
USA - vehicles up to 1983 must be ad-
justed for high altitude driving if main use
is above
4000 ft (1,219 m):
Reter to appropriate service
manual for
adjustment.
TIGHTENING TORQUES
Nm ft Ibs
Injector,
in cylinder head ........... 70 52
upper-Iower sections ... 70 52
Injection pump, pump gear ... ... . 45 33
Check value
mm
;n
0.75-0.83
0.029-0.033
0.65-0.73
0.025-0.029
0.65-0.73
0.025-0.029
0.82-0.90
0.032-0.035
Ibs
O
39-44
45
Setting value
mm
;n
0.80 0.031
0.70 0.027
0.70
0.027
0.85
0.033
'5