GENERAL ENGINE MECHANICAL 6A – 23
When replacing the hot plug with new one:
When assembling a new hot plug, set the knock ball in the
positioning groove on the cylinder side and hit it lightly with
a plastic hammer until the hot plug is set in stably.
With patch attached to the hot plug to prevent it from
being damaged, press it in with a force of 4.5 ~ 5.5 ton
applied.
2) Valve Seat Insert Installation
1. Carefully place the attachment
!
(having a smaller
outside diameter than the valve seat insert) on the
valve seat insert
"
.
NOTE:
The smooth side of the attachment must contact the
valve seat insert.
2. Use the bench press
#
to gradually apply pressure to
the attachment and press the valve seat insert into
place.
NOTE:
Do not apply an excessive amount of pressure with
the bench press. Damage to the valve seat insert will
result.
Measure the height of the valve guide upper end from
the upper face of the cylinder head.
Valve Guide Upper End Height (H) (Reference) mm (in)
13 (0.51)
NOTE:
If the valve guide has been removed, both the valve
and the valve guide must be replaced as a set.
3) Spring Lower Seat
4) Valve Stem Oil Seal
5) Valve
6) Valve Spring
7) Split Collar
Above works refer to “VALVE” Section in this manual.
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