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Technical data
Determination of the corrected fitting size, E
injection pump.
NOTE! When you change the engine block camshaft or roller tappet, you must determine the corrected fitting
measurement, E
, and change the relevant EP code on the engine identification plate.
k
Mathematical formula for the corrected fitting size, E
E
= L - [(Fb
- Fb
) x Vh
k
akt
nom
New EP code is found in Table 3.2 E
Calculation 3.1 Explanation
Cylinder no.
Injection pump manufacturing number
Injection angle, meas. on protractor.
Injection angle, see eng. id. plate ∠°
Total 1 (Fb
- Fb
)
akt
nom
Corr. factor, see Table 1
Total 2 (S1x Vh
)
korr
Pre-stroke, see Table 1
Total 3 (S2+ Vh
)
nom
Calculation 3.2 Explanation
Length between block and roller tappet
Total 3 (S2+ Vh
)
nom
E
(L- S3 = E
)
k
k
E
rounded to nearest value in Table 3
k
→ Table 3 → EP code)
EP code (E
k
Table 1
Injection angle
F
b
nom
[ºC/A BTDC]
5
6
7
8
9
10
4
4,5
5
5,5
6
7
8
28
+ Vh
)]
korr
nom
→ EP code
k
Factor
XXX
XXX
Fb
akt
Fb
nom
S1
Vh
korr
S2
Vh
nom
S3
Factor
L
S3
E
k
E
k
EP
Camshaft type
Vh
A
B
, and EP code for an
k
:
k
Ex
TD/TAD 520 GE, TD/TAD 720 GE
XXX
Cyl. 1
XXX
5.5
-
6
=
-0.5
x
0.14
=
-0.07
+
6.11
=
6.04
Ex
Cyl. 1 Cyl. 2
152.22
-
6.04
= 146.18
~ 146.175
=
344
Pre-stroke
nom
[mm]
6,32
6,11
5,9
5,7
5,5
5,31
5,7
5,6
5,5
5,4
5,31
5,1
4,9
Cyl. 2
Cyl. 3
Cyl. 4
Cyl. 3
Cyl. 4
Pre-stroke
Length of pump
Corr. factor,
basic measure-
Vh
ment L
korr
[mm/ºC/A]
0,14
0,14
Group 20
Cyl. 5 Cyl. 6
Cyl. 5 Cyl. 6
(100 mm = 3.937")
(mm)
0
[mm]
143 (L
)
o
143 (L
)
o
(100 mm = 3.937")
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