Fiat 1996 Brava Service Manual page 94

Technical data Bravo- Btava ©
ro7s
Engine: fuel system
OO.io
TEST DATA FOR BOSCH INJECTION P U M P , type VE R 679
GENERAL TEST CONDITIONS SPECIFIC TEST CONDITIONS
-Test oil: ISO 4113 - Bosch 1.688.901.022 Injectors
-Test fluid temperature: 45° ± 1°C (reflux - Nozzles: Bosch 1.688.901.922 (DNO SD 1510) set
- o u t l e t * ) to 130 - 133 bar
-Pump intake pressure: 0.35 bars - Pipes: 2x6x450 mm.
-Clockwise rotation
Check
type
Max
Output
Ignition
(enrichment)
Elimination
of enrichment
Reflux out­
put ( • )
Idle
Residual
flow
Arrest ( • • )
Delay device
(LFB)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Regulator
lever
position
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
1500
1500
Rotation
speed
rpm
1000
1500
2100
600
1000
1500
2100
2400
2600
2800
100
400
525
600
2100
425
500
425
-
-
Advance
check
mm
2.4-3.8
5.1-6.3
8.2-9.6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Transfer
pressure
bar
5.4-6.4
6.8-7.8
8.3-9-3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
P. MAX
(0.2±0.1)
-
Output
per
element
mm/cycle
-
-
-
39.3-43.9
40.3-44.9
41-45
41.3-45.9
26.2-36.2
8.4-18.4
< 3
50-80
52-72
55-65
15-31 l/h
20-50 l/h
10.5-18.3
^ 3
^ 3
Q. MAX
(10±1)
-
Max. devia­
tion be­
tween indi­
vidual
strokesmm/
cycle
-
-
-
-
-
^2.5
-
-
-
-
-
-
-
-
^2.5
-
-
-
-
Stroke
reduction
Total
m m
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0 . 7 - 0 9
Fixed installation advance = 0.92 m m
Electric arrest control: minimum operating voltage 8V. Operating voltagel 1-13V
Maximum engine speed w i t h no load: 5050 ± 50/min.
Engine idle speed: 850±20/min.
( • ) Fuel return from pump to tank
( • • ) Carry out with electric arrest control turned off.
8 ".!^i.^WJ^^^^^^I^^!:!S
:
=
:
Publication n° 506.670/21