BF40AoBF50A
6) Remove the spool valve cap using a commercially
available
2.8
mm driver bit.
7)
Apply small squirt of air pressure to the
oil
hole in the
spool valve cap to remove the valve
B.
Remove the
valve
B
from the spool valve cap.
Remove the O-rings from the spool valve cap and
valve
B
and discard them. Replace the O-rings with
the new ones during reassembly.
PI
DRIVER
BIT,
2.8
mm
I
(Commercially available)
[l]
VALVE
B
/
/
121
SPOOL
1
~onot
reuse.
1
8)
Remove the spool valve from the valve body.
[l]
SPOOL VALVE
Check the backup ring on the spool valve for damage
and scratches. Replace the backup ring if it is dam-
aged or scratched.
[l]
SPOOL VALVE
1
kKU/pRlNG
13-9