TROUBLESHOOTING
H-36
PC58UU-3
20-555
1
★
If there is any other trouble in the work equipment, travel system, or swing system, see H-1.
H-36
Blade speed or power is low (Work equipment, travel, and
swing operations are normal)
Cause
Remedy
1
•
See standard values table for
machine body.
•
From neutral to full stroke of 6
mm
Is stroke of spool normal?
No
Improper adjustment or
trouble of linkage and
cable
Adjust,
repair, or
replace
Yes
2
•
21.6
+1.0
-0.5
MPa
{210
+10
- 5
kg/cm²}
•
Run engine at full throttle.
Is blade relief pressure normal?
No
Go to troubleshooting
No. 5
—
Yes
3
Does pump pressure rise to relief
pressure during operation?
No
Yes
4
Is any hose between control valve
and cylinder flattened or
deformed?
No
Defective operation of
check valve in spool or
clogging of drilled hole
of spool
Repair or
replace
Yes
Flattened or deformed
hose
Replace
5
•
Max. 45 mm/15 min
Is hydraulic drift normal?
No
Carry out troubleshoot-
ing in H-38 (Hydraulic
drift of blade is exces-
sive)
—
Yes
Leakage inside control
valve (through clear-
ance between swing
valve and blade valve)
Repair or
replace
Содержание PC58UU-3
Страница 48: ...PC58UU 3 STRUCTURE FUNCTION AND MAINTENANCE STANDARD Serial No 22301 and up 7 TRACK FRAME IDLER CUSHION 10 8 1...
Страница 73: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD CONTROL VALVE 10 30 PC58UU 3...
Страница 96: ......
Страница 134: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD HYDRAULIC CYLINDER PC58UU 3 10 91 12 OFFSET CYLINDER BLADE CYLINDER 5...
Страница 136: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD SOLENOID VALVE PC58UU 3 10 93 12 SOLENOID VALVE...
Страница 143: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD WORK EQUIPMENT PC58UU 3 10 99 12 WORK EQUIPMENT...
Страница 144: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD WORK EQUIPMENT 10 100 PC58UU 3 12...
Страница 146: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD WORK EQUIPMENT 10 102 PC58UU 3 12 DIMENSION OF WORK EQUIPMENT 1 Arm 5...
Страница 158: ......
Страница 160: ...STRUCTURE FUNCTION AND MAINTENANCE STANDARD ELECTRICAL SYSTEM 10 116 PC58UU 3 12 SYSTEM DIAGRAM 5...
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Страница 250: ...PC58UU 3 20 203 TROUBLESHOOTING SEQUENCE OF EVENTS IN TROUBLESHOOTING SEQUENCE OF EVENTS IN TROUBLESHOOTING 6...
Страница 260: ......
Страница 265: ...TROUBLESHOOTING CONNECTOR ARRANGEMENT DIAGRAM 20 216 PC58UU 3 CONNECTOR ARRANGEMENT DIAGRAM Serial No 20001 22000 6...
Страница 266: ...TROUBLESHOOTING CONNECTOR ARRANGEMENT DIAGRAM PC58UU 3 20 217 1...
Страница 267: ...TROUBLESHOOTING CONNECTOR ARRANGEMENT DIAGRAM 20 218 PC58UU 3 1...
Страница 268: ...20 218 2 PC58UU 3 TROUBLESHOOTING Serial No 22001 and up CONNECTOR ARRANGEMENT DIAGRAM 6...
Страница 269: ...PC58UU 3 20 218 3 TROUBLESHOOTING CONNECTOR ARRANGEMENT DIAGRAM 6...
Страница 270: ...20 218 4 PC58UU 3 TROUBLESHOOTING CONNECTOR ARRANGEMENT DIAGRAM 6...
Страница 325: ...TROUBLESHOOTING E MODE 20 310 PC58UU 3 1 E MODE RELATED ELECTRICAL CIRCUIT DIAGRAM...
Страница 326: ...TROUBLESHOOTING E MODE PC58UU 3 20 311 1 PUMP CONTROLLER...
Страница 327: ...20 312 PC58UU 3 TROUBLESHOOTING ENGINE CONTROLLER Serial No 20001 22000 E MODE 6...
Страница 328: ...PC58UU 3 20 312 1 TROUBLESHOOTING Serial No 22001 and up E MODE 6...
Страница 348: ...20 332 PC58UU 3 TROUBLESHOOTING E 16 Related electrical circuit diagram E 16 6...
Страница 357: ...PC58UU 3 20 341 TROUBLESHOOTING E 19 a Related electrical circuit diagram E 19 6...
Страница 360: ...20 344 PC58UU 3 TROUBLESHOOTING E 19 a Related electrical circuit diagram E 19 6...
Страница 371: ...PC58UU 3 20 355 TROUBLESHOOTING E 25 Related electrical circuit diagram E 25 6...
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Страница 437: ...TROUBLESHOOTING M MODE 20 602 PC58UU 3 Electric circuit diagram of machine monitor system Serial No 20001 22000 6...
Страница 438: ...PC58UU 3 20 602 1 TROUBLESHOOTING Serial No 22001 and up M MODE 6...
Страница 457: ...TROUBLESHOOTING M 16 20 618 PC58UU 3 1 M 16 Related electrical circuit diagram...
Страница 459: ...20 620 PC58UU 3 TROUBLESHOOTING M 17 Related electrical circuit diagram M 17 6...
Страница 465: ......
Страница 521: ...PC58UU 3 90 3 HYDRAULIC CIRCUIT DIAGRAM 7 1 For Serial No 22001 and up...
Страница 522: ...3 88 5 8 5 8 7 5 0 7 21 77 0 17 5 8 7 RU 6HULDO 1R DQG XS...
Страница 523: ...3 88 75 5 8 7 5 0 6HULDO 1R...
Страница 524: ...3 88 75 5 8 7 5 0 6HULDO 1R...
Страница 525: ...3 88 75 5 8 7 5 0 6HULDO 1R...
Страница 526: ...3 88 75 5 8 7 5 0 6HULDO 1R...
Страница 527: ...3 88 75 5 8 7 5 0 6HULDO 1R DQG XS...
Страница 528: ...3 88 75 5 8 7 5 0 6HULDO 1R DQG XS...