FU-16
FUEL SYSTEM
-
Injection Pum~
ASSEMBLY
OF
INJECTION
PUMP
(See
pages
FU-6
to
8)
1. ADJUST PLUNGER SPRING SHIM
(a)
Install the following parts to the distributive head:
(1) Two plunger spring guides
(2) Two upper spring seats
(3) Two plunger springs
(4)
Lower spring seat
(5) Upper plunger plate
(6) Lower plunger plate
(7) Pump plunger
HINT:
Do not assemble the plunger spring shims
at
this
time.
(b)
Using vernier capliers, measure clearance A indicated
in the illustration.
(c)
Determine the plunger spring shim size
by
using the
following formula and chart.
2L-T (Austria)
New plunger spring shim thickness
=
6.1
-
A
2L-T (Others) and 3L
New plunger spring shim thickness
=
5.9
-
A
A
...
Measured plunger position
Plunger spring shim selection chart for 2L-T (Austria)
rnrn (in.)
Measured
Shim
Measured Shim
clearance
thickness
clearance thickness
More than
3.6
-
3.8
4.6 (0.181)
.5
(0.059)
(0.142
-
0.150) 2.5 (0.098)
4.1
-
4.2
Less than
(0.1 61
-
0.1 65) 2.0 (0.079) 3.2 (0.126) 3.0 (0.1 18)
Plunger spring shim selection chart for 2L-T (Others) and 3L
More than
4.3
-
4.5
1
5.3 (0.209)
7
0.5(0.020)
1
(0.169-0.1771
1
1.5 (0.059)
1
rnrn (in.)
HINT:
For
a
measurement between listed sizes, use the next
larger size. Ex. If thickness
is
1.1 mm (0.043 in.) by
calculation, use
a
1.2 mm (0.047 in.) shim.
Shim
thickness
4.8
-
4.9
Less than
(0.189
-
1.193)
1
.O (0.039) 3.9 (0.154)
Select
two
shims which have the same thickness.
Measured
clearance
Measured
clearance
2.0 (0.079)
Shim
thickness
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