6
SECTION 10 -- ENGINE -- CHAPTER 1
603.54.381.00
-- 05 -- 2001
MODEL TK 65 -- CALIBRATION DATA FOR BOSCH INJECTION PUMP
TYPE VE 3/11 F 1150 L 766 -- 99441586
ASSEMBLY DATA
Pump timing on engine: delivery start 9
o
±
0.5
o
before
TDC of cylinder 1 compression stroke.
Plunger pre--lift for timing on engine: 1 mm (0.0394
in.) from BDC (with tools
291754
--
291755
).
Cylinder No.1 delivery line union on pump: marked
with letter A.
ASSEMBLY DIMENSIONS
SYMBOL
VHA
MS
ya
yb
mm
(in.)
30.1
(1.185)
--
36.5 to 38.5
(1.437 to
1.5157)
40.4 to 45.6
(1.5905 to
1.7953)
CALIBRATION TEST CONDITIONS
Test bench conforming to ISO 4008/1 .../2
Injectors
conforming
to
ISO
7440--A61
--
(1.688.901.020 with calibrated pad
Æ
0.6 mm --
0.0236 in.).
Injector pressure setting 172 to 175 bar (2495 to
2538 psi).
Fuel supply pressure:
0.35 + 0.05 bar (5.1 + 0.7 psi).
. . . . . .
Pipes (conforming to ISO 4093.2):
6 x 2 x 840 mm (0.2362 x 0.0787 x 33.071 in.).
. . . . . .
Graduate drain time
: 30”.
. . . . . . . . .
Test liquid: ISO 4113 at a temperature of 45
o
±
1
o
C
(113
o
±
33.8
o
F) at outlet.
1. START OF DELIVERY
Plunger pre--lift from TDC:
mm --
Pump rotation (viewed from drive side):
counter--clockwise
Injection order:1--2--3
2. ADVANCE REGULATOR STROKE
rpm: 1220
Advance stroke: 0.7 to 1.1 mm (0.0276 to 0.0433 in.)
3. FUEL SUPPLY PUMP PRESSURE
rpm: 1220
Internal pressure: 7.9 to 8.5 bar (114.5 to 123.3 psi)
4. FULL LOAD DELIVERY
rpm: 700
Delivery per 1000 shots: 66.7 to 67.7 cm
3
(0.0147 to 0.0149 gal.) Spread:
£
3.5 cm
3
(0.0008 gal.)
5. SPREAD GOVERNOR AT IDLE SPEED
rpm: 325
Delivery per 1000 shots: 16.3 to 17.3 cm
3
(0.0036 to 0.0038 gal.) Spread:
£
5.5 cm
3
(0.0012 gal.)
6. SPREAD GOVERNOR AT MAXIMUM SPEED
rpm: 1200
Delivery per 1000 shots: 48.5 to 49.5 cm
3
(0.0107 to 0.0109 gal.) Spread: cm
3
--
7. DELIVERY AT STARTING SPEED
rpm: 100
Delivery per 1000 shots: 60 to 100 cm
3
(0.0132 to 0.022 gal.)
8. TRANSFER PRESSURE PROGRESSION
rpm
1220
400
Internal pressure
bar (psi)
7.9 to 8.5 (114.6 to 123.3)
3.4 to 4.4 (49.3 to 63.8)
9. INJECTION ADVANCE PROGRESSION
rpm
1220
1260
Advance stroke
mm (in.)
0.7 to 1.1 (0.276 to 0.0433)
1.3 to 1.9 (0.0512 to 0.0748)
10. BACKFLOW
rpm
400
1150
Backflow
cm
3
(gal.)/10 sec
16 to 28 (0.0035 to 0.0062)
20 to 36 (0.0044 to 0.0079)
(continued)
Note: the values shown above in brackets must be used for checking purposes only.
