Riso ComColor X1 series Technical Manual page 298

Ink Flow Section
Pressurized Ink Tank Air Valve
1) Remove the Left and Right Top covers, Rear cover, and Right-side cover.
2) Remove the scissor clamps from the machine.
3) Open the Power supply unit, Engine control PCB, and Ink supply unit.
4) Follow the procedure in "Draining Ink into the Waste Ink Tank from OLD type Ink circulation unit" when
removing the Pressurized ink tank air valve from either the NEW type or OLD type Ink circulation system.
5) Remove the Pressurized ink tank air valve filter assembly (attached to the Pressurized ink tank air valve). (IT
screw 3x4 (2 pcs))
Air valve Filter assembly
6) Disconnect the Pressurized ink tank air valve tube (between the valve and pressurized ink tank), on the
Pressurized ink tank side.
7) Disconnect the Pressurized ink tank air valve tube (between the Air valve and Overflow pan), on the Overflow
pan side.
Air valve for the Pressurized ink tank
[ 11A-86 ]
Screws to remove
Air tube to disconnect in Step-(6)
Air tube to disconnect in Step-(7)
ComColor Series (Revision 2.4)