BF15DoBF20D
6) Remove the spool valve cap using a commercially avail-
able driver bit 2.8 mm.
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.
8) Remove the O-rings from the spool valve cap and valve
B and discard them. Replace the O-rings with the new
ones on reassembly.
9)
Remove the spool valve from the valve body
Check the backup ring on the spool valve for damage
and scratches. Replace the backup ring if it is damaged
or scratched.
I ] SPOOL VALVE CAP
\
I
121 DRIVER BIT, 2.8 mm
(Commercially available)
- w
/
VALVE
1
DO not
reuse.
j
SPOOL VALVE
12-23