1-27
Removing the spools from the valve
CONTROL VALVE 1.3
C2241
C2237
C2240
C2239
Remove the check valves
4 Remove the lock block from the valve. (fig. C2241)
5 Remove the spring return / centering cap from the
end of the spool. (fig. C2237)
6 Pull out the spool. (fig. C2240) As you pull out the
spool, note it’s smooth action as it comes out of the valve
body. The spool should move freely and smoothly in the
bore of the valve body. Check the control valve spool and
bore for scuff marks or abnormal wear. Replace the spool
and or control valve if signs of wear are present.
Inspect tapered seats
Remove the spring centering / return assembly
Disassembly / Repair (cont’d)
7 Remove the check valves from control valve body.
(fig. C2239) They are located between the ports of each
section. Check the seat and poppet of the valve body and
check valve. Replace the check valve and or the control
valve if any signs of wear are present.
O-ring seal
Seal washer