Extra Information
16
.
Clean
the
pump
housing
carefully
and
replace
worn
parts
.
Install
the
diaphragm
and
the
lever
on
the
diaphragm
shaft
.
Then
insert
the
shaft
and
tighten
it
with
the
screw
.
Assemble
the
two
housing
halves
and
install
the
attachment
plate
(1)
.
Then
install
the
spring
(2)
and
the
O-
ring
(3)
.
Valve
lifters
17
.
Check
the
valve
lifters
for
wear
.
Replace
them
if
neces
sary
.
Camshaft
18
.
Check
the
camshaft
for
wear
on
cams
and
bearing
ra
ces
.
Also
check
the
wear
of
the
bearings
.
The
bearings
are
pressed
into
their
locations
andmust
be
line
bored
after
the
installation
.
19
.
Place a
support
under
the
camshaft
gear
and
use
a
hydraulic press
to
remove
the
gear
.
Crankshaft
20
.
Remove
the
gear
wheel
.
Use
a
prong
puller
.
Clean
the
crankshaft
.
Measure
the
crank-and
main
bearing
pins
.
The
eccentricity
must
not
exceed
0
.06
mm
(
.002362
in
.)
and
the
taper
0.05
mm
(
.001969
in
.)
.
Should
these
values
be
exceeded,
the
crankshaft
mustbeground
to
a
suitable
under-dimension,
seeunder"TechnicalData".