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5-23
5
SLEWING
TROUBLESHOOTING
When stopped on a slope, the upperstructure cannot maintain its posture
1
Is the slew spontaneous
drop within specs?
Within specs
Normal
Out-of-specs
2
Check the slew pressure
Pressure too low Adjust the relief valve
pressure of the slew brake
valve
Adjust to set pressure
Normal
Pressure does not rise
Repair or replace the slew re-
lief valve
3
Check the slew motor
Faulty
Repair or replace the slew
motor
1. Is the slew spontaneous drop within specs?
“2. Service data, Performance criteria”
2. Check the slew pressure
“5-16”
3. Check the slew motor
“4. Disassembly and assembly, Slew motor”
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...
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Страница 65: ...2 52 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Страница 66: ...2 53 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
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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...