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4-181
4
SWIVEL JOINT
DISASSEMBLY AND ASSEMBLY
Inspection and adjustment
Inspection procedure and treatment
Inspection interval
Inspection point
Inspection procedure
Treatment
2000 hours
Seals preventing leakage
of oil to the outside
Check if oil is leaking out
If there is a leak, replace the O-
rings
4000 hours
Disassemble and inspect
regardless of leak
All seals
––
Replace all sealing parts
All sliding parts
Check for abnormal wear,
scratches, corrosion, etc., due
to scorching, or trapping of for-
eign matter, etc.
Treat in accordance with the
use limit for parts
Disassembly due to mal-
function
All parts
Check for abnormal wear,
scratches, corrosion, etc., due
to scorching, or trapping of for-
eign matter, etc.
Treat in accordance with the
use limit for parts, but make
sure to replace the seal kit
Use limit for parts
Hub, shaft
Part
Judgment criteria
Treatment
Sliding portion against the
seals
• Loss or peeling of high-frequency induction-hardened
surfaces due to wear, scorching, trapping of foreign
matter, etc.
• Replace
Sliding portion of hub and
shaft other than the seals
• Abnormal wear or scratches of 0.1 mm depth or more
due to scorching, trapping of foreign matter, etc.
• Scratches of 0.1 mm depth or more
• Replace
• Repair with an emery
wheel
Sliding portion against the
thrust ring
• Wear of 0.5 mm or more or abnormal wear
• Wear of 0.5 mm or less
• Scratches due to scorching, seizing of foreign matter,
etc., which are within the wear limit of 0.5 mm and can
be repaired
• Replace
• Repair to make surfaces
smooth
• Repair to make surfaces
smooth
Flange
Part
Judgment criteria
Treatment
Sliding portion against the
shaft end
• Wear of 0.5 mm or more or abnormal wear
• Wear of 0.5 mm or less
• Scratches due to scorching, trapping of foreign matter,
etc., which are within the wear limit of 0.5 mm and can
be repaired
• Replace
• Repair to make surfaces
smooth
• Repair to make surfaces
smooth
Thrust ring
Judgment criteria
Treatment
Wear of 0.5 mm or more or abnormal wear
Replace
Wear of 0.5 mm or less
Repair to make surfaces smooth
Scratches due to scorching, trapping of foreign matter, etc., which are within
the wear limit of 0.5 mm and can be repaired
Repair to make surfaces smooth
Summary of Contents for TB 250
Page 1: ......
Page 3: ...1 1 SAFETY 1 Safety alert symbol 1 2 Safety precautions 1 3 Cautions when working 1 9...
Page 36: ...2 24 2 TIGHTENING TORQUE SERVICE DATA...
Page 38: ...2 26 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with options 2 2...
Page 39: ...2 27 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 1 2...
Page 40: ...2 28 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 2 2...
Page 41: ...2 29 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 1 2...
Page 42: ...2 30 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 2 2...
Page 49: ......
Page 59: ...2 46 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 60: ...2 47 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 61: ...2 48 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 62: ...2 49 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 63: ...2 50 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 64: ...2 51 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 65: ...2 52 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 66: ...2 53 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 67: ...2 54 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 68: ...2 55 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 69: ...2 56 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 70: ...2 57 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 71: ...2 58 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 72: ...2 59 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 73: ...2 60 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA NAME STANDARD NO...
Page 74: ...2 61 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 75: ...2 62 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 76: ...2 63 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 77: ...2 64 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 78: ...2 65 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 79: ...2 66 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 80: ...2 67 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 81: ...2 68 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 92: ...3 11 3 CONTROL VALVE FUNCTION...
Page 108: ...4 3 4 SERVICE STANDARDS DISASSEMBLY AND ASSEMBLY Clearance for pin and bushing...
Page 352: ...ENGINE 6 Machine model Mounted engine TB250 4TNV88...