IV-90
HYDRAULIC UNITS
SELF-LEVEL VALVE
INSPECTION AND ADJUSTMENT
Checking the Parts
Part Judgment Criteria Treatment
Housing • Scratches, rust, or corrosion at the sliding parts with the
spool.
• Scratches, rust, or corrosion of the seal part in contact
with the O-ring.
• Other damage considered to impair the normal func
-
tions.
• Replace
• Replace
• Replace
Spool, Pin, Plunger • Damage on the outer circumference which catches a
fingernal.
• No smooth movement
• Replace
• Adjust or replace
Spring • Rust, corrosion, deformation, breakage, or other notable
damage.
• Replace
O-Ring
±±
• Replace