Advertisement
6
MODEL TN 55 - - CALIBRATION DATA FOR BOSCH INJECTION PUMP
ASSEMBLY DATA
Pump timing on engine: delivery start 9
fore TDC of cylinder 1 compression stroke.
Plunger pre--lift for timing on engine: mm 1 from P.M.I.
(with tools 291754 -- 291755).
Cylinder No.1 delivery line union on pump: marked
with letter A.
ASSEMBLY DIMENSIONS
SYMBOL
K
mm
--
(in.)
Plunger pre--lift from TDC:
mm --
Rpm: 1200
Rpm: 1200
Rpm: 700
Rpm: 325
Rpm: 1220
Rpm: 100
Rpm
Advance stroke
Rpm
Internal pressure supply
Rpm
Backflow
Note: the values shown above in brackets must be used for checking purposes only.
SECTION 10 - - ENGINE - - CHAPTER 1
TYPE VE 3/11 F 1150 L 767 - - VE 3/11 F 1150 L 767- -1
o
o
± 0.5
MS
ya
yb
--
38.5 to 40.5
42.8 to 48.0
(1.52 to 1.59)
(1.69 to 1.89)
1. START OF DELIVERY
Pump rotation (viewed from drive side):
counter--clockwise
2. ADVANCE REGULATOR STROKE
3. FUEL SUPPLY PUMP PRESSURE
4. FULL LOAD DELIVERY
Delivery per 1000 shots: cm
5. SPREAD GOVERNOR AT IDLE SPEED
Delivery per 1000 shots: cm
6. SPREAD GOVERNOR AT MAXIMUM SPEED
Delivery per 1000 shots: cm
7. DELIVERY AT STARTING
8. INJECTION ADVANCE PROGRESSION
mm (in.)
9. TRANSFER PRESSURE PROGRESSION
1200
bar (psi) 8.1to 8.7 (117.5 to 126.2)
10. BACKFLOW
l/h (gal./h)
CALIBRATION TEST CONDITIONS
Test bench conforming to ISO 4008/1 .../2
be-
Injectors
conforming
(1.688.901.027 and pad with calibrated hole ∅ 0.5
mm; 0.02 in.).
Injector pressure setting 250 to 253 bar (3626.1 to
5120.1 psi).
Supply pressure:
. . . . . . . . .
0.35 ± 0.05 bar (5.1 ± 0.7 psi).
Delivery pipes (conforming to ISO 4093.2):
. . . . . . . . .
6 x 2 x 450 mm (0.24 x 0.08 x 17.72 in.)
Graduate drain time:
Test liquid: ISO 4113 at a temperature of 45
o
o
(113
± 33.8
F).
Advance stroke: mm 0.7 to 1.1 (inches 0.03 to 0.04)
Internal pressure: bar 8.1 to 8.7 (psi 117.5 to 126.2)
3
59.5 to 60.5
(gal.0.0157 to 0.0159)
3
8.4 to 12.4
(gal. 0.0022 to 0.0032)
3
27 to 33
(gal. 0.007 to 0.008)
Delivery per 1000 shots: cm
1200
0.7 to 1.1 (0.03 to 0.04)
400
3.2 to 3.8 (46.4 to 55.1)
400
13 to 33 (3.43 to 8.72)
to
ISO
7440--A61
. . . . . . . . .
: 30".
Injection order: 1--2--3
3
Spread: cm
-- 3.5
(gal. --0.000925)
3
Spread: cm
(gal.)
Spread: --
3
60 to 100 (gal. 0.016 to 0.026)
1250
1.4 to 1.8 (0.06 to 0.07)
700
4.7 to 6.1 (68.1 to 88.5)
1150
25 to 37 (6.60 to 9.77)
(continued overleaf)
--
o
o
± 1
C
Advertisement
