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Groove of the
Exhaust Cover [5]
Exhaust Cover [5]
(2) Disassembly and reassembly of the Valve Bushing [22], Plunger [18], etc. (See Fig. 14.)
[Tools required]
Socket wrench (14 mm)
Flat-blade head screwdriver
(a) Disassembly
Remove the Valve Bushing [22] with a socket wrench (14 mm ). The Valve Packing [16] and the Spring [17]
can now be removed.
Remove the Knob [24] and the Retaining Ring (E-type) for D4 Shaft [23] then the Plunger [18] can be
removed from the Valve Bushing [22].
(a) Reassembly
Disassembly procedures should be followed in the reverse order. Note the following points:
Apply grease to the O-ring (1AP-3) [19], O-ring (S3) [20] and the O-ring (S-10) [21].
Mount the Retaining Ring (E-type) for D4 Shaft [23] to the Plunger [18] then press the Knob [24] against the
Retaining Ring (E-type) for D4 Shaft [23] to mount it.
Exhaust Cover [5]
Fig. 14 Disassembly and reassembly of the valve bushing, plunger, etc.
O-ring (P-22) [9]
a
c
b
Head Valve (A) [10]
Fig.13
O-Ring (S-10) [21]
O-Ring (S3) [20]
O-Ring (1AP-3) [19]
(b) Reassembly
Disassembly procedures should be followed in
the reverse order. Note the following points:
Apply grease to the inside of the Cylinder [11],
O-ring (I.D 34.7) [14] and the Cylinder O-ring
(I.D 63.1) [12] before reassembly.
Apply grease to the sliding surface a of the
Exhaust Cover [5] and Head Valve (A) [10] and
charge about 0.5 g (.018 oz) of grease in the
groove of the Exhaust Cover [5] (Fig. 13).
Apply grease to the lip portions b and c of
Head Valve (A) [10] (Fig. 13).
Apply grease to the O-ring (P-22) [9].
Mount the O-ring (P-22) [9] to Head Valve (A)
[10], then mount it to the Exhaust Cover [5].
Valve Bushing [22]
Plunger [18]
Spring [17]
Valve Packing [16]
--- 23 ---
Knob [24]
Retaining Ring (E-type)
for D4 Shaft [23]
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