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ENGINE -
Carburetor
(2)
Remove the two
springs.
and remove silencers 1 and
2 as
an
assembly from the silencer plate
.
(Fig
.
2
-
26)
Fig. 2-26
(3) Straighten the lock washers, and remove the s ix
bolts using the
10-
mm. T
-
handle wrench
.
Remove
the silencer plate from the carburetor
.
(Fig
.
2 -27)
Fig. 2-27
Before disassembling the carburetor, its exterior should
be washed with gasoline or petroleum.
When using
compressed
air, take care not to blow into any small
holes
such as
the fuel inlet port and impulse port.
Oth-
erwise,
the
compressed
air can break the diaphragm
.
2-5-2.
Disassembly (GPX338F)
(1)
Loosen the screw, and remove the cover and gasket
(rubber).
Loosen the four screws, and remove body
3, check valve, body 2 gasket, body 2, body 1 gas-
ket, body 1 and main diaphragm.
(Fig
.
2 -28)
1.
2.
3.
4
5.
3
2
4-----<.
2--~
5
6
7
9
10
i-~11
Main diaphragm
6
Body gasket 2
10.
Body gasket 1
7.
Check valve
11.
Body
1
8.
Body 3
12.
Pump diaphragm
9.
Gasket
13.
Body 2
Cover
Screw
Spring washer
Pan head screw
Fig.
2-28
(2)
Loosen the oval head screw, and remove the lever
pin, diaphragm arm, diaphragm spring and needle
valve.
Remove the two pan head screws, and remove the
plate and valve seat
(#
1.5).
Remove the two oval head screws, and remove the
set check plate, check valve seat and gasket.
-16-
Since the check valve seat is very thin, be careful
not to lose or damage.
(Fig
.
2-29)
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