JUKI KE-3010 Maintenance Manual page 223

Replacing the cup packing and suction valve interference-proof rubber
1) Remove 3 flat-head machine screws (M4 × 8) (6 screws in total) and then remove the
retainer, suction valve interference-proof rubber, and cup packing cylinder.
2) Remove dust completely from the cup packing cylinder and the retainer.
3) Set the cleaned cup packing cylinder in the casing and align the center of new cup packing
to the center of the cup packing mounting part of the connecting rod, and then thrust it into
the cup packing cylinder by hand.
Flat-head
machine
screw
Suction valve
interference-
proof rubber
4) Tighten the cup packing in which a new suction valve interference-proof rubber is installed
on the cup packing with flat-head machine screws (M4 × 8) at 3.0 N m
∗ Install the cover according to the procedure for replacing the gasket. To replace other
consumables, do not close the cover but refer to the item of replacing each portion.
Maintenance Guide
Retainer
Connecting rod
10-12
Cup packing
∗ Pay attention to
the direction.
Retainer
Flat-head
machine screw
Rev. 2.0