18 - 3
Brake Valve
Dismantling
Unscrew the knurled nut 2 and remove ‘O’ ring 3, withdraw
the solenoid 4 and ‘O’ ring 5.
Hold the solenoid valve body 6 in a vice, using the spanner
flats A, remove spindle 7 and ‘O’ ring 8.
Pull out actuating pin 9, spring 10, spring retainer 11 and
spool 12.
Inspect the spool and spool bore for signs of wear, nicks,
scratches, etc.
Assembling
Assembly is the reversal of the dismantling procedure.
Renew all ‘O’ rings.
Lightly lubricate all parts with clean hydraulic fluid before
assembling.
Check that the flying leads are secure and that the
connectors are intact.
Torque Settings
Item Nm kgf m lbf ft
2 10 to 15 1 to 1.5 8 to 10
Section E
Hydraulics
9803/8500
Section E
18 - 3
Issue 1
Valves
161590
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