MUTOH ValueJet Service Manual page 128

ValueJet 1304 Service manual
NOTE
When attaching the part, make sure the followings:
• When tighten the joint screw, use the optional jig and pay attention to the fastening torque.
"10.3 Jigs and Tools" p.10-3
• Used O-ring become deformed. Do not use the O-ring removed and attach the new one.
AP-74109 Rev 1.1 4-82