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Takeuchi TB215R - Check the Counter Balance Valve; Check the Swivel Joint; Test by Switching the Main Relief Valves; Is the Veering Within Specs?

Takeuchi TB215R
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5
5
TRAVELING
TROUBLESHOOTING
5C0AX00TRAVELING
1. Is the veering within specs?
  ī˜¬ī™‰ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™™ī™ˆī™ˆī™•ī™Œī™‘ī™Šī˜ƒ ī™Œī™–ī˜ƒ ī™šī™Œī™—ī™‹ī™Œī™‘ī˜ƒ ī™–ī™“ī™ˆī™†ī™Œīž‚ī™†ī™„ī™—ī™Œī™’ī™‘ī™–ī˜ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™ī™„ī™†ī™‹ī™Œī™‘ī™ˆī˜ƒ ī™Œī™–ī˜ƒ
ī™‘ī™’ī™•ī™ī™„ī™ī˜‘ī˜ƒī˜³ī™•ī™’ī™…ī™ī™ˆī™ī˜ƒī™Œī™–ī˜ƒī™†ī™„ī™˜ī™–ī™ˆī™‡ī˜ƒī™…ī™œī˜ƒī™—ī™‹ī™ˆī˜ƒī™†ī™’ī™ī™…ī™Œī™‘ī™„ī™—ī™Œī™’ī™‘ī˜ƒī™’ī™‰ī˜ƒī™‡ī™ˆ-
vices.
ī˜ƒī“ī˜•ī˜‘ī˜ƒī˜¶ī™ˆī™•ī™™ī™Œī™†ī™ˆī˜ƒī™‡ī™„ī™—ī™„ī˜ī˜ƒī˜³ī™ˆī™•ī™‰ī™’ī™•ī™ī™„ī™‘ī™†ī™ˆī˜ƒī™†ī™•ī™Œī™—ī™ˆī™•ī™Œī™„ī”
2. Check the crawler tension
ī˜ƒī“ī˜•ī˜‘ī˜ƒī˜¶ī™ˆī™•ī™™ī™Œī™†ī™ˆī˜ƒī™‡ī™„ī™—ī™„ī˜ī˜ƒī˜³ī™ˆī™•ī™‰ī™’ī™•ī™ī™„ī™‘ī™†ī™ˆī˜ƒī™†ī™•ī™Œī™—ī™ˆī™•ī™Œī™„ī”
3. Check the spool operation
ī˜ƒī“ī˜±ī™’ī˜ƒī™—ī™•ī™„ī™™ī™ˆī™ī˜ƒī™Œī™–ī˜ƒī™“ī™’ī™–ī™–ī™Œī™…ī™ī™ˆī˜ī˜ƒī˜•ī˜‘ī˜ƒī˜¦ī™‹ī™ˆī™†ī™Žī˜ƒī™—ī™‹ī™ˆī˜ƒī™ī™Œī™‘ī™Žī™„ī™Šī™ˆī˜‘ī”
4. Switch the discharge hoses between the pumps
  ī˜¶ī™šī™Œī™—ī™†ī™‹ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™‡ī™Œī™–ī™†ī™‹ī™„ī™•ī™Šī™ˆī˜ƒ ī™‹ī™’ī™–ī™ˆī™–ī˜ƒ ī™…ī™ˆī™—ī™šī™ˆī™ˆī™‘ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™“ī™˜ī™ī™“ī™–ī˜ƒ ī˜³ī˜”ī˜ƒ
ī™„ī™‘ī™‡ī˜ƒī˜³ī˜•ī˜‘ī˜ƒī˜¬ī™‰ī˜ƒī™—ī™‹ī™ˆī˜ƒī™™ī™ˆī™ˆī™•ī™Œī™‘ī™Šī˜ƒī™‡ī™Œī™•ī™ˆī™†ī™—ī™Œī™’ī™‘ī˜ƒī™Œī™–ī˜ƒī™†ī™‹ī™„ī™‘ī™Šī™ˆī™‡ī˜ƒī™—ī™’ī˜ƒī™—ī™‹ī™ˆī˜ƒī™’ī™“-
posite side, the pumps are faulty.
ī˜ƒī˜ī˜ƒ ī˜§ī™Œī™–ī™„ī™–ī™–ī™ˆī™ī™…ī™ī™ˆī˜ƒī™„ī™‘ī™‡ī˜ƒī™†ī™‹ī™ˆī™†ī™Žī˜ƒī™—ī™‹ī™ˆī˜ƒī™“ī™˜ī™ī™“
ā€œ4. Disassembly and assembly, Hydraulic pumpā€
5. Test by switching the main relief valves
  ī˜¶ī™šī™Œī™—ī™†ī™‹ī˜ƒī™—ī™‹ī™ˆī˜ƒ ī™ī™„ī™Œī™‘ī˜ƒ ī™•ī™ˆī™ī™Œī™ˆī™‰ī˜ƒī™™ī™„ī™ī™™ī™ˆī™–ī˜ƒī™…ī™ˆī™—ī™šī™ˆī™ˆī™‘ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™•ī™Œī™Šī™‹ī™—ī˜ƒī™—ī™•ī™„ī™™ī™ˆī™ī˜ƒ
circuit and the left travel circuit, and operate the ma-
ī™†ī™‹ī™Œī™‘ī™ˆī˜‘ī˜ƒī˜¬ī™‰ī˜ƒī™—ī™‹ī™ˆī˜ƒī™™ī™ˆī™ˆī™•ī™Œī™‘ī™Šī˜ƒ ī™Œī™–ī˜ƒī™†ī™‹ī™„ī™‘ī™Šī™ˆī™‡ī˜ƒī™—ī™’ī˜ƒī™—ī™‹ī™ˆī˜ƒī™’ī™“ī™“ī™’ī™–ī™Œī™—ī™ˆī˜ƒī™–ī™Œī™‡ī™ˆī˜ī˜ƒ
one of the main relief valves is faulty.
ī˜ƒī˜ī˜ƒ ī˜¦ī™‹ī™ˆī™†ī™Žī˜ƒī™—ī™‹ī™ˆī˜ƒī™ī™„ī™Œī™‘ī˜ƒī™•ī™ˆī™ī™Œī™ˆī™‰ī˜ƒī™™ī™„ī™ī™™ī™ˆ
ī˜ƒī“ī˜˜ī˜‘ī˜ƒ ī˜·ī™•ī™’ī™˜ī™…ī™ī™ˆī™–ī™‹ī™’ī™’ī™—ī™Œī™‘ī™Šī˜ī˜ƒ ī˜²ī™™ī™ˆī™•ī™„ī™ī™ī˜ƒ ī™ī™„ī™†ī™‹ī™Œī™‘ī™ˆī˜ī˜ƒ ī˜¤ī™ī™ī˜ƒ ī™–ī™œī™–-
ī™—ī™ˆī™ī™–ī˜ƒī™šī™’ī™•ī™Žī™Œī™‘ī™Šī˜ī˜ƒ ī™…ī™˜ī™—ī˜ƒī™Œī™‘ī™–ī™˜ī™‰īž‚ī™†ī™Œī™ˆī™‘ī™—ī˜ƒī™‰ī™’ī™•ī™†ī™ˆī˜ī˜ƒ ī˜—ī˜‘ī˜ƒ ī˜¦ī™‹ī™ˆī™†ī™Žī˜ƒ
the main relief valve.ā€
6. Check the swivel joint
ī˜ƒī“ī˜µī™Œī™Šī™‹ī™—ī˜ƒ ī™’ī™•ī˜ƒ ī™ī™ˆī™‰ī™—ī˜ƒ ī™—ī™•ī™„ī™™ī™ˆī™ī˜ƒ ī™Œī™–ī˜ƒ ī™Œī™ī™“ī™’ī™–ī™–ī™Œī™…ī™ī™ˆī˜ī˜ƒ ī˜—ī˜‘ī˜ƒ ī˜¦ī™‹ī™ˆī™†ī™Žī˜ƒ ī™—ī™‹ī™ˆī˜ƒ
swivel jointā€
7. Check the counter balance valve
Check to see if the spool of the counter balance valve
moves smoothly.
ī˜ƒī“ī˜µī™Œī™Šī™‹ī™—ī˜ƒ ī™’ī™•ī˜ƒ ī™ī™ˆī™‰ī™—ī˜ƒ ī™—ī™•ī™„ī™™ī™ˆī™ī˜ƒ ī™Œī™–ī˜ƒ ī™Œī™ī™“ī™’ī™–ī™–ī™Œī™…ī™ī™ˆī˜ī˜ƒ ī˜˜ī˜‘ī˜ƒ ī˜¦ī™‹ī™ˆī™†ī™Žī˜ƒ ī™—ī™‹ī™ˆī˜ƒ
counter balance valveā€
8. Check the travel motor
ā€œ4. Disassembly and assembly, Travel motorā€
&ī˜“$)ī˜“ī˜˜=

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