Jx70 Model - Calibration Data For Bosch Injection Pumptype Ve 3/12 F 1250 L 977 - 504054474; Tools - Case HI JX60 Service Manual

8
JX70 MODEL - - CALIBRATION DATA FOR BOSCH INJECTION PUMP
ASSEMBLY DATA
Pump timing on engine: delivery start 0° ± 0.5°
before TDC of cylinder 1 compression stroke.
Plunger pre--lift for pump timing on engine: 1 mm
from BDC with tools 380000228 - - 380001601).
Delivery line union on pump for cylinder no. 1:
marked with letter A.
ASSEMBLY DIMENSIONS
SYMBOL K KF
mm 3.6 to 3.8 3
CALIBRATION TEST CONDITIONS
Plunger pre--lift from B.D.C.: mm --
1100 rpm
rpm: 800
4. FULL- -LOAD DELIVERY WITH BOOSTER PRESSURE
rpm: 900 LDA pressure: kPa 100
5. FULL- -LOAD DELIVERY WITHOUT BOOSTER PRESSURE
rpm: 600 LDA pressure: kPa 0
rpm: 325 LDA pressure: kPa 0
rpm: 1350 LDA pressure: kPa 100
rpm: 100
LDA pressure
Rev/min
Advance stroke
LDA pressure
Rev/min
Internal pressure supply:
Rev/min
LDA pressure
Backflow for
Note: The values shown above in brackets must be used for checking purposes only.
6- 62720 - - 09 - - 2006
SECTION 10 - - ENGINE - - CHAPTER 1
TYPE VE 3/12 F 1250 L 977 - - 504054474
MS ya yb
0.5 to 0.9 35.5 to 39.8 to
39.5 44.8
1. START OF DELIVERY
Pump rotation (viewed from drive side):
anticlockwise
2. ADVANCE REGULATOR STROKE
LDA pressure: kPa 100
3. FUEL SUPPLY PUMP PRESSURE
LDA pressure: kPa 100
Delivery per 1000 shots: cm
Delivery per 1000 shots: cm
6. SPREAD GOVERNOR AT IDLE SPEED
Delivery per 1000 shots: cm
7. SPREAD GOVERNOR AT MAXIMUM SPEED
Delivery per 1000 shots: cm
8. DELIVERY AT STARTING SPEED
9. INJECTION ADVANCE PROGRESSION
kPa
mm
10. TRANSFER PRESSURE PROGRESSION
kPa
bar
11. BACKFLOW
kPa
3
cm /10 s
Test bench conforming to ISO 4008/1.../2
Injectors conforming
(1688901027 with pad ∅ 0.5 mm (0.0197 in.))
Injector setting pressure: 250 bar (3625.925 psi).
Fuel supply pressure: 0.35 ± 0.05 bar
(5.0763 ± 0.7252 psi).
Delivery pipes (conforming to ISO 4093.2):
6 x 2 x 450 mm (0.2362 x 0.787 x 17.7165 in.)
Graduate drain time: 30 seconds
Test liquid: ISO 4113 at a temperature of 55° ± 1°C
(131° ± 33.8°F).
Injection order:1--2--3
Advance stroke: mm 1.8 to 2.2
Internal pressure: bar 7.7 to 8.3
3
76.5 to 76.9 Spread: cm
3
73.8 to 74.2 Spread: cm
3
12 to 13 Spread: cm
3
32.0 to 33.0
Delivery per 1000 shots: cm
1250
2.5 to 3.5 1.8 to 2.2
1250
8,7 7.7 to 8.3
1250
100
66.7 to 105.5
to ISO 7440--A61
3 ≤ 3.5
3
--
3
≤ 4.5
3
Spread: cm --
3
100 to 140
100
1100 900
0.3 to 1.3
100
1100 500
4.5 to 5.5
500
100
50.0 to 77.6
(continued)
--