HYDRAULIC SYSTEM - DISASSEMBLY, SERVICE AND ASSEMBLY
5.2.4 FRONT BLOCK (RELIEF VALVE) DISASSEMBLY
1.
Unscrew the plug (1) on the relief adjusting screw.
2.
Remove the cover plug (1), spring (2), tappet (3)
and spool (4) in order.
3.
Remove the spool by turning it with a flat-bladed
screwdriver.
SUUV-W00 Apr. 2011
REMARK
UUVWB55A
•
Adjust the relief valve pressure by unscrewing
the adjusting nut (1) and turning the adjusting
screw (2).
•
Turning the adjusting screw clockwise with a hex.
wrench increases the set pressure while turning
it counterclockwise decreases the set pressure.
4.
Assemble in the reverse order of disassembly.
UUVWB56A
UUVWB57A
UUVWB58A
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