DISASSEMBLY AND ASSEMBLY
PROPORTIONAL CONTROL SOLENOID VALVE
4
Disassembly For disassembly, follow the steps below. For assembly, follow the same procedure as for removal in the reverse order.
1
1. Take out the bolts and remove the proportional control solenoid valve. Bolt: 6.9 ±1 N·m
4KAD02Z
2. Remove the O-ring from the proportional control solenoid valve (1). • Do not disassemble the sleeve (2) that is united with the solenoid (4) with the retaining ring (3). • Make sure that the spool (5) moves a little if pushed from the sleeve (2) end.
4 3 2 5
4KAD03Z
Inspection and adjustment Checking the parts Part Coil assembly
Body
Spool
Spring O-ring
Criteria • When the solenoid is burned, short-circuited, or has a wire break • Wiring short-circuit or wire break • 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 functions • Scratches on the outer circumference that easily catch a fingernail • Movement is not smooth • Rust, corrosion, deformation, breakage, or other notable damage —
4-87
Action • Replace • Replace • Replace • Replace • Replace • Replace • Repair or replace • Replace • Replace
