Installation of Muffler (option parts)
①Remove Through-Bolt-Nuts and pull Through-bolts out.
Remove the section above the valve guide.
Then, remove the Valve-Knock-Pin.
(Don’t loose the Knock-Pin)
②Set Muffler-Bushing between Cylinder-Upper
-Flange and Exhaust-hole-Flange.
③Reassemble Parts, and tighten
Through-Bolt-Nuts equally
Tightening Torque：5.8kgf・m {56.9N・m}
④Put Muffler onto Rock Drill.
Muffler-Groove and Muffler-Bushing must correspond.
⑤Tighten Screws and Nuts. (6 Points)
tightening Torque：29kgf・cm { 3N・m }
Exhaust Side
Holes For Through-Bolts
7
Air & Allied Sales (Pacific) Pty Ltd
