Takeuchi TB215R Workshop Manual page 174

Check valve
1. Remove the plug (3) from body (13).
Plug: 21.0 N·m (15.5 ft-lb.)
2. Remove the spring (2) and the plunger (1).
3. Remove the O-ring (23).
4. Remove the plugs (16) and O-rings (25).
Plug: 26.5 N·m (19.5 ft-lb.)
Assembly
For assembly, follow the same procedure as for disassem-
bly in the reverse order by referring to the construction dia-
gram.
Inspection and adjustment
Checking the parts
Parts
Coil • When the solenoid is burned or short-circuited, or has a wire break
• Wiring short-circuit or wire break
Body • Scratches, rust or corrosion at the sliding parts and the spool
• Scratches, rust or corrosion of the seal part in contact with the O-
• Other damage considered to impair normal function
Spool • Scratches on the outer circumference, on which the fingernails get
• Movement is not smooth.
Spring • Rust, corrosion, deformation, breakage or other notable damage
O-ring
SOLENOID VALVE (LEVER LOCK)
Judgment criteria
ring
caught
DISASSEMBLY AND ASSEMBLY
SOLENOID VALVE (LEVER LOCK)
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3
4
Treatment
Replace
Replace
Replace
Replace
Replace
Replace
Repair or replace
Replace
Replace
4K6AX002