Section E - Hydraulics
Operation Description
Typical Valve Spool Operation
E-40 E-40
9803-9340-8
Spool Closed Selected
The illustration K Fig 32. ( T E-40) shows the service
selected. The spool is moved by the control lever.
The oil entering the valve block is diverted by the spool A
to load hold check valve C which opens to allow
pressurised oil to flow out of the valve block to operate the
ram.
Oil returning from the opposite end of the tilt ram enters the
valve block and flows past spool A into the exhaust gallery
and back to tank.
707930B-1
Fig 32.
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