11
4
Control valve
Disassembly anD assembly
4J0aX00
Control valve
Pilot operated section
1. remove the cap screws and cover (1), and then re-
move the o-ring from the cover (1).
Cap screw: 7.3 n·m (5.4 ft-lb.)
2. remove the spring holder (2), spring (3) and spring
holder (4).
3. remove the spool (5) from the housing.
• Make sure to insert the spool in the correct direc
-
tion.
Boom section
WARning
If the anti-drift valve is disassembled with the control
valve still installed, parts may be ejected due to the
internal pressure. remove it after relieving the internal
pressure by gradually loosening the cap screw.
1. remove the cap screws and cover (1), and then re-
move the o-ring from the cover.
Cap screw: 7.3 n·m (5.4 ft-lb.)
2. remove the spring holder (2), spring (3) and spring
holder (4).
3. take out the cap screws and housing (5), and then re-
move the o-ring from the housing.
• Do not further disassemble the anti-drift valve.
Cap screw: 9.3 n·m (6.9 ft-lb.)
4. remove the spring holder (2), spring (3) and spring
holder (4).
5. remove the spool assembly (6) from the housing.
• Make sure to insert the spool in the correct direc
-
tion.
Switch valve
1. remove the cap screws and cover (1), and then re-
move the o-ring from the cover (1).
Cap screw: 7.3 n·m (5.4 ft-lb.)
2. remove the cap screws and cover (3), and then re-
move the o-ring from the cover (3).
Cap screw: 7.3 n·m (5.4 ft-lb.)
3. remove the spring holder (4), spring (5) and spring
holder (6).
4. remove the spool (7) from the housing.
• Be sure to insert the spool in the correct direction.
-$)=
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Summary of Contents for TB215R
Page 1: ...CC8E005 WETB215R_A XI Seral No 215000003...
Page 3: ...SAFETY 1...
Page 13: ...SERVICE DATA 2...
Page 16: ...SERVICE DATA DIMENSIONAL DRAWING 3 2 DIMENSIONAL DRAWING 2A0AX001 Operating range 2A0AX02...
Page 53: ...SERVICE DATA WIRE HARNESS DIAGRAM 2 2 WIRE HARNESS DIAGRAM 2H0AX00 Body harness 03342 68000...
Page 54: ...SERVICE DATA WIRE HARNESS DIAGRAM 3 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 55: ...SERVICE DATA WIRE HARNESS DIAGRAM 4 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 56: ...SERVICE DATA WIRE HARNESS DIAGRAM 5 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 57: ...SERVICE DATA WIRE HARNESS DIAGRAM 6 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 58: ...FUNCTION 3...
Page 88: ...DISASSEMBLY AND ASSEMBLY 4...
Page 125: ...DISASSEMBLY AND ASSEMBLY OPERATING DEVICE 6 4 OPERATING DEVICE 4F0AX00 Hydraulic piping...
Page 230: ......
Page 232: ...TROUBLESHOOTING 5...
Page 287: ...Other 6...