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Cylinder O-ring [11]
Hex. Socket Hd. Bolt
(W/Flange)
M6 x 35 [4]
Top Cover [3]
Hex. Socket Hd. Bolt
M6 x 16 [1]
Exhaust Cover [5]
Gasket (A) [6]
Exhaust Valve
Rubber [7]
Plate [2]
Head Valve Spring [8]
Cylinder O-ring (B) [9]
Head Valve [10]
Head Valve Rubber [12]
Body [22]
10-2. Disassembly and Reassembly of the Output Section
(1) Disassembly and reassembly of the Exhaust Cover [5], Head Valve [10], Exhaust Valve Rubber [7], etc.
(See Fig. 11A and Fig. 11B.)
Fig. 11B
Fig. 11A Disassembly and reassembly of the
exhaust cover, head valve, exhaust
valve rubber, etc.
Exhaust Cover [5]
Exhaust Valve
Rubber [7]
Bar of 4 to 5 mm dia.
Hammer
[Tools required]
Hex. bar wrench (5 mm)
Hammer
(a) Disassembly
Remove the four Hex. Socket Hd. Bolt (W/Flange)
M6 x 35 [4] with a hex. bar wrench. The entire Exhaust
Cover [5] can now be removed from the Body [22].
Remove the Hex. Socket Hd. Bolt M6 x 16 [1] with a hex.
bar wrench. The Plate [2] and the Top Cover [3] can now
be removed.
As shown in Fig. 9B, insert a 4 to 5 mm dia. bar into the
hole of M6 screw in the Exhaust Cover [5] and force out
the Exhaust Valve Rubber [7] with a hammer. Now, the
parts forming the Exhaust Valve Rubber [7] can be taken
out.
[CAUTION]
To prevent damage to the Exhaust Valve Rubber [7], do
not use a pointed bar or a bar wth a diameter of less than
4 mm.
Summary of Contents for NR 90AC3
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