16 - 11
Loader Valve
Dismantling
The illustration below shows a valve section with electrically
operated spool. Three spool loader valves will have this
section in the third spool position for operating optional
attachments.
Always work on a clean, dirt free surface.
1 Note orientation of solenoids 3 then unscrew
thumbscrews 1 and remove the seals 2 and the
solenoids.
2 Remove screws 4 and retainer plates 5. Remove outer
tubes 6 and inner pistons 7.
3 Remove spool 8 from the main body 9.
4 Refer to page E/16-8 and 16-9 for dismantling of the
remainder of the valve.
Note: Work on the operation sections individually. Do not
interchange parts from individual sections.
5 Clean all parts in kerosene, inspect and check for
damage.
Damaged sections should be replaced complete.
Inner pistons 7 must be replaced complete if the plunger,
spring or seal is damaged.
Assembly
Assembly is a reversal of the dismantling procedure.
Renew all seals and 'O' rings.
Lubricate all parts with hydraulic oil before assembly.
Tighten thumbscrews 1 hand tight only.
Before finally tightening the tie rod nuts, position the valve
assembly on its mounting feet and ensure the valve is sitting
flat.
Torque Settings
Item Nm lbf ft kgf m
4 5 - 8 4 - 6 0.5 - 0.8
Section E
Hydraulics
9803/8500
Section E
16 - 11
Issue 1
Valves
1
2
1
5
2
3
4
5
6
4
3
6
7
S271230
7
8
9
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