Kitz FBS - Page 22

Document No.:KE-4011-03 Page: 19/27
19.3 Reassembly of KITZ FBS pneumatic valve actuator
(1) Lubricate a larger O-ring, a smaller O-ring, a bearing, and a back-up ring with Kyodo Oil
MULTEMP AC-J lubricant or the equivalent, and assemble them with the piston (Fig.13).
Contact KITZ Corporation for advice, if this lubricant is not available.
Fig.13
(2) Lubricate an O-ring and a bearing, and assemble them with the shaft (Fig.14).
Fig.14
(3) Lubricate an O-ring, a bearing, a pinion gear and the shaft, and assemble them with the
housing (Fig.15). The pinion teeth and the NAMUR groove on top of the shaft must be
positioned each other as shown in Fig.16.
Fig.15 Fig.16
Back
-
up ring <45C>
O-ring <45D>
O
-
ring <45A>
Piston bearing <67C>
Piston <177>
Bearing <67B>
Shaft <3>
O
-
ring <45C>
O
-
ring <45B>
Bearing <67A>
Pinion <142>
Shaft-bearing assembly
Housing <1>
NAMUR slot at the
top of the shaft
Pinion <142>