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Section H
20 - 5
Priority Valve - Cleaning
The priority valve spool and spring may be removed for
cleaning.
Remove the priority valve from the machine. Refer to
1
Priority Valve - Removal and Replacement.
2
Unscrew adaptor 9 and extract the priority valve spring
11.
3
Remove the blanking plug 7. Press out the priority valve
spool 12 using a nylon pin. Take care not to damage
the bore of the valve.
4
Clean these components in clean paraffin paying
particular attention to the orifices at each end of the
spool. Dry off and lubricate with clean hydraulic fluid.
5
Refit the priority valve spool 12 making sure that the
spring seat end of the spool faces towards the LS port.
Refit blanking plug 7 and torque tighten.
6
Refit the priority valve spring 11 and adaptor 9 and
torque tighten.
7
Refit the valve onto the machine. Refer to Priority
Valve - Removal and Replacement.
Bleed the load sensing line. Refer to Priority Valve -
8
Bleeding.
Torque Settings
Item
Nm
Ibf ft
7
50
37
9
50
37
9803/3280
Steering
Service Procedures
Purchased from www.WorkshopManuals.co.uk
6
5
Section H
20 - 5
9
10
11
3
4
1
2
12
A
8
7
Issue 1
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