HEAD DISTRIBUTION
ENG
5
42
5
Apply a rough lapping paste on the contact
surface of the valve.
Apply molybdenum disulphide oil on the valve
stem.
Install the valve in the head.
Rotate the valve until the contact surface and its
seat are evenly polished, then remove all lapping
paste.
ATTENTION
Avoid the lapping paste penetrating in the space
between the valve stem and the guide.
NOTA:
NOTA:
To obtain the best lapping results, slightly spot the
valve seat whilst manually rotating it forwards and
backwards. Figure
Apply a thin lapping paste on the surface contact
of the valve and repeat the above procedure.
After every lapping operation, it is important to
remove every trace of lapping paste from the
contact surface and from the valve seat.
Apply blue colouring (Dykem) for mechanics on
the contact surface of the valve.
Install the valve in the head.
Push the valve inside the guide and against its seat
to leave a well-defined impression.
4
Lappa
Lap:
• the contact surface of the valve
• the valve seat
N
NOTE:
After having replaced the head or the valve and the
relative guide, the seat and the contact surface of
the valve must be lapped.
4
a
b
c
d
C
C
5
e
f
g
h
i
Содержание 2009 TREK1130
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Страница 10: ...GEN INFO 1 ...
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Страница 26: ...SPEC 2 ...
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Страница 54: ...CHK ADJ 3 ...
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Страница 157: ...CHAS 4 ...
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Страница 269: ...4 107 ENGINE CHAS ENGINE REMOVAL 1 2 3 4 5 6 8 10 11 9 7 12 ...
Страница 321: ...ENG 5 ...
Страница 326: ...ENG ...
Страница 360: ...HEAD DISTRIBUTION ENG HEAD REMOVAL 5 34 8 9 9 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 7 3 5 4 6 ...
Страница 362: ...HEAD DISTRIBUTION ENG VALVES AND VALVES SPRINGS REMOVAL 5 36 DRAIN INLET 12 8 9 10 11 13 14 5 8 1 2 3 4 6 7 1 ...
Страница 377: ...CYLINDERS ENG CYLINDERS REMOVAL 5 51 1 1 2 3 4 4 ...
Страница 397: ...ENG CLUTCH REMOVAL 5 71 5 8 9 10 11 12 13 13 14 1 2 3 7 CLUTCH 6 4 15 PM S ...
Страница 483: ...COOL 6 ...
Страница 485: ...COOL ...
Страница 509: ...ELEC 7 ...
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