Takeuchi TB215R Workshop Manual

DISASSEMBLY AND ASSEMBLY
PILOT VALVE
2
4
PILOT VALVE 4K2AQ00
Special tools
Unit: mm
Installation jig A
Quantity: 1
Material A: S45C
Material B: SCM415N (case hardened)
Installation jig B
Quantity: 2
Material B: SCM415N (case hardened)
Disassembly and Assembly
The numbers in parentheses () listed after the names of
parts in this document match the numbers used in the
construction diagrams and parts lists.
General Precautions
• Perform disassembly and assembly work in a clean
place. Provide clean containers to hold parts during
disassembly.
• Clean around the ports before disassembly. Remove
paint around connectors with a wire brush.
• Clean the disassembled parts with wash oil.
• Put alignment marks on all parts to reassemble them in
the same positions.
• After each disassembly, replace all seals and apply a
thin layer of grease to them.
• Check each part for abnormal wear or seizing. Re-
move any burrs with sandpaper.
4KAC02Z
ø29 ø26.5
23.5
ø19
A
B
50
54
13
46
25
17
69
ø23 ø27 ø31
+0.2
0
16
+0.2
0
+0.013
0
+0.028 +0.015
4KAC03Z
0.5x15°
11.6
C0.5
C0.5
R4.5
±0.1
0
6.5
9.5
12.5
±0.1
15.5
R5.8
R13
±0.1

Takeuchi TB215R Specifications

General

Brand	Takeuchi
Model	TB215R
Category	Excavators
Language	English