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5-15
5
SLEWING
TROUBLESHOOTING
SLEWING
No slewing is possible
1
Check the operation of
actuators other than of
the slew motor
Normal
2
Check the pilot valve
Faulty
Repair or replace the pilot
valve
Normal
3
Check the spool opera-
tion
Faulty
Repair or replace the housing
block
Normal
4
Check the slew pressure
Pressure too low Adjust the pressure of the
slew relief valve
Adjust to the set pressure
Normal
Pressure does not rise Repair or replace the relief
valve
5
Check the slew motor
Faulty
Repair or replace the slew
motor
Normal
Slew bearing is faulty
Replace
1. Check the operation of actuators other than of the
slew motor
Determine if only the slew motor is faulty by checking
the operation of actuators for the devices listed in the
table on the right. If one of them is faulty, check the
main relief valve and the hydraulic pump (main).
“5-5”
Lever to operate
Device to check
Relief valve
Pump
Blade
R3
P3
Содержание TB 250
Страница 1: ......
Страница 3: ...1 1 SAFETY 1 Safety alert symbol 1 2 Safety precautions 1 3 Cautions when working 1 9...
Страница 36: ...2 24 2 TIGHTENING TORQUE SERVICE DATA...
Страница 37: ...2 25 2 SERVICE DATA HYDRAULIC CIRCUIT DIAGRAM HYDRAULIC CIRCUIT DIAGRAM Equipped with options 1 2...
Страница 38: ...2 26 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with options 2 2...
Страница 39: ...2 27 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 1 2...
Страница 40: ...2 28 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 2 2...
Страница 41: ...2 29 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 1 2...
Страница 42: ...2 30 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 2 2...
Страница 43: ...2 31 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow angle blade blade oat option 1 2...
Страница 44: ...2 32 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow angle blade blade oat option 2 2...
Страница 46: ...2 34 2 ELECTRIC CIRCUIT DIAGRAM SERVICE DATA First auxiliary hydraulic piping with proportional control...
Страница 49: ......
Страница 59: ...2 46 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 60: ...2 47 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 61: ...2 48 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 62: ...2 49 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 63: ...2 50 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 64: ...2 51 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 65: ...2 52 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 66: ...2 53 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 67: ...2 54 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 68: ...2 55 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 69: ...2 56 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 70: ...2 57 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 71: ...2 58 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 72: ...2 59 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 73: ...2 60 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA NAME STANDARD NO...
Страница 74: ...2 61 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 75: ...2 62 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 76: ...2 63 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 77: ...2 64 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 78: ...2 65 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 79: ...2 66 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 80: ...2 67 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 81: ...2 68 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 92: ...3 11 3 CONTROL VALVE FUNCTION...
Страница 108: ...4 3 4 SERVICE STANDARDS DISASSEMBLY AND ASSEMBLY Clearance for pin and bushing...
Страница 130: ...4 25 4 UPPER FRAME DISASSEMBLY AND ASSEMBLY 15 Side frame R 16 Side frame L 17 Tool box 18 Cover 19 Bracket 20 Cover 2 2...
Страница 165: ...4 60 4 HYDRAULIC PUMP DISASSEMBLY AND ASSEMBLY f Remove the plug g Remove the spring and the ball...
Страница 267: ...4 162 4 SLEW MOTOR DISASSEMBLY AND ASSEMBLY Special tools Oil seal press tting jig A Collar installation jig B...
Страница 352: ...ENGINE 6 Machine model Mounted engine TB250 4TNV88...