54 - 1
Dismantling and Assembly
Standar
d Spool
The numerical sequence shown on the illustration is
intended as a guide to dismantling.
For assembly the sequence should be reversed.
Great care should be taken when dismantling and
assembling a valve to avoid the following:-
Contamination
Damage to spools
Damage to seal grooves
Any of the above may result in possible problems with the
operation of the valve.
Dismantling
When removing 'O' Rings and seals, use an appropriatly
rounded tool that WILL NOT cause any damage to the seal
grooves.
Discard ALL 'O' Rings. DO NOT use worn or damaged
items.
Inspection
Inspect the valve components for scratches, nicks or any
other type of damage, replace with new if required.
Assembly
Renew wipers 5 and 14 and 'O' rings 6, 15 and 18.
Torque Settings
Item Nm kgf m lbf ft
7 6.1 - 7.5 0.62 - 0.76 4.5 - 5.5
9 9.5 - 10.9 0.97 - 1.11 7 - 8
Note: All valve block adapters, items A and B are torqued to
81 Nm (60 lbf ft; 8.3 kgf m).
Section E Hydraulics
9803/7130
Section E
54 - 1
Issue 1
Loader Valve
BB
BB
AA
S204750
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