CX200-4(Maint).pdf - 第66页
(3) Loosen two setscrews fastening the upper part of the head and detach the holder from the head. Carefully loosen two setscrews be- cause the holder pops out upward. (4) Detach the miniature stroke bearing (MSB). (4-1)…

1.4.5 Disassembly, Cleaning, and Lubrication of Miniature Stroke
Bearing
Note: Since the disassembly and reassembly work of the miniature
stroke bearings requires highly sophisticated technique, consult
our nearby service station for details.
• Cleaning Stage
Perform the cleaning when dirt has accumulated on the sliding part of
the shaft and the movement is hampered.
Perform the cleaning when dirt has accumulated on the hollow portion
of the shaft and the suction force has deteriorated.
Ref.: Clean the shafts once a year or so.
• Disassembly of Miniature Stroke Bearing
Disassembly Procedure
(1) Detachment of Head Assembly
(1-1) Loosen two M4L12 bolts (upper ones) and
two M4L16 bolts (lower ones) fastening
the head and detach the head assembly.
(1-2) Pull out the air hose.
(1-3) Pull the head forward to detach.
(2) Loosen three setscrews fastening the
diffusion plate and detach the plate from the
head.
Do not apply a wrench, etc., to the
magnet for head origin detection.
Otherwise, the magnet will be demag-
netized.
Fig. 4A69
01 10-003 1-54
AFO01ETRP
Note
Fig. 4A70
1.4 Maintenance Method

(3) Loosen two setscrews fastening the upper
part of the head and detach the holder from
the head.
Carefully loosen two setscrews be-
cause the holder pops out upward.
(4) Detach the miniature stroke bearing (MSB).
(4-1) Loosen and remove the setbolt and
detach the MSB plate.
(4-2) Detach the MSB shaft and the MSB outer
cylinder.
Pull out the MSB shaft from the upper
side. Use a pair of tweezers to pull out the
outer cylinder from the lower side.
Fig. 4A71
Note
Fig. 4A72
Removal from Head Bottom
Fig. 4A73
01 10-003 1-55
AFO01ETRP
1.4 Maintenance Method

(5) Detach the upper seal, the collar, and the
lower seal from the MSB outer cylinder.
Fig. 4A74
01 10-003 1-56
AFO01ETRP
1.4 Maintenance Method