
40 Troubleshooting
SEN02307-00
BR380JG-1E0
19
S-12 Oil pressure drops
1
General causes why oil pressure drops
q
Leakage, clogging, wear of lubrication system
q
Defective oil pressure control
q
Improper selection of fuel (improper viscosity)
q
Deterioration of oil due to overheating
Causes
W
orn journa
l of be
aring
Lack of oil in oil p
a
n
Co
olant,
fuel in oil
Clogged
str
ainer
in
oil p
an
Clogged,
broken pipe in oil p
an
De
fective oil pump
De
fective regulator
valve
Clogged oil
filter
Leaking, crushed, cl
og
ged hydraulic pipin
g
De
fective oil level senso
r, wiring harne
ss
Questio
ns
Confirm recent repair history
Degree of use of machine Operated for long period
E
E
E
Oil pressure monitor indicates low oil pressure
Q w
Non-specified oil is being used
Q
Q
Replacement of filters has not been carried out according to Operation and Maintenance
Manual
w
Oil pressure monitor
(if installed)
Indicates pressure drop at low idle
w
Indicates pressure drop at low, high idle
Q
w w w Q
Indicates pressure drop on slopes
w
Sometimes indicates pressure drop
w
Q
Oil level monitor indicates oil level drop
w
w
Oil level in oil pan is low
w
Check items
External hydraulic piping is leaking, crushed
w
Oil is milky or smells of diesel oil
w
Metal particles are found when oil pan is drained
w
Metal particles are found when oil filter is drained
w
Q
T
rouble
shoot
ing
Metal particles are found in oil filter
q
See S-
13
Inspect oil pan strainer, pipe directly
q q
Oil pump rotation is heavy, there is play in oil pump
q
Valve spring of regulator valve is fatigued, damaged
q
Inspect oil filter directly
q
If oil level sensor is replaced, oil pressure monitor indicates normally
q
Remedy
Cle
an
Add
—
Cle
an
Cle
an
Replace
Adj
ust
Cle
an
Corr
ect
Replace
Summary of Contents for BR380JG-1E0
Page 1: ...SEN01341 03 MOBILE CRUSHER BR380JG 1E0 SERIAL NUMBERS 2001 and up ...
Page 2: ......
Page 13: ...00 Index and foreword SEN01343 03 BR380JG 1E0 11 ...
Page 71: ...SEN01349 00 10 Structure function and maintenance standard 4 BR380JG 1E0 Final drive 1 ...
Page 79: ...SEN01350 00 10 Structure function and maintenance standard 4 BR380JG 1E0 Idler 1 ...
Page 160: ...SEN01353 00 10 Structure function and maintenance standard 18 BR380JG 1E0 ...
Page 183: ...10 Structure function and maintenance standard SEN01354 00 BR380JG 1E0 5 ...
Page 187: ...SEN01354 00 10 Structure function and maintenance standard 10 BR380JG 1E0 ...
Page 211: ...10 Structure function and maintenance standard SEN01355 00 BR380JG 1E0 17 ...
Page 304: ...SEN02303 00 30 Testing and adjusting 46 BR380JG 1E0 Adjusting mirrors 1 ...
Page 402: ...30 Testing and adjusting SEN02305 01 BR380JG 1E0 61 ...
Page 414: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 3 Sequence of events in troubleshooting 1 ...
Page 424: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 13 ...
Page 425: ...SEN02089 01 40 Troubleshooting 14 BR380JG 1E0 ...
Page 426: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 15 ...
Page 427: ...SEN02089 01 40 Troubleshooting 16 BR380JG 1E0 ...
Page 428: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 17 ...
Page 429: ...SEN02089 01 40 Troubleshooting 18 BR380JG 1E0 ...
Page 430: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 19 ...
Page 431: ...SEN02089 01 40 Troubleshooting 20 BR380JG 1E0 ...
Page 432: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 21 ...
Page 433: ...SEN02089 01 40 Troubleshooting 22 BR380JG 1E0 ...
Page 434: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 23 ...
Page 435: ...SEN02089 01 40 Troubleshooting 24 BR380JG 1E0 ...
Page 436: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 25 ...
Page 437: ...SEN02089 01 40 Troubleshooting 26 BR380JG 1E0 ...
Page 438: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 27 ...
Page 439: ...SEN02089 01 40 Troubleshooting 28 BR380JG 1E0 ...
Page 440: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 29 ...
Page 441: ...SEN02089 01 40 Troubleshooting 30 BR380JG 1E0 ...
Page 442: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 31 ...
Page 443: ...SEN02089 01 40 Troubleshooting 32 BR380JG 1E0 ...
Page 444: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 33 ...
Page 445: ...SEN02089 01 40 Troubleshooting 34 BR380JG 1E0 ...
Page 446: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 35 ...
Page 447: ...SEN02089 01 40 Troubleshooting 36 BR380JG 1E0 ...
Page 448: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 37 ...
Page 449: ...SEN02089 01 40 Troubleshooting 38 BR380JG 1E0 ...
Page 450: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 39 ...
Page 451: ...SEN02089 01 40 Troubleshooting 40 BR380JG 1E0 ...
Page 452: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 41 ...
Page 453: ...SEN02089 01 40 Troubleshooting 42 BR380JG 1E0 ...
Page 454: ...40 Troubleshooting SEN02089 01 BR380JG 1E0 43 ...
Page 455: ...SEN02089 01 40 Troubleshooting 44 BR380JG 1E0 ...
Page 463: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 5 Related electrical circuit diagram ...
Page 465: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 7 Related electrical circuit diagram ...
Page 467: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 9 Related electrical circuit diagram ...
Page 469: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 11 Related electrical circuit diagram ...
Page 471: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 13 Related electrical circuit diagram ...
Page 473: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 15 Related electrical circuit diagram ...
Page 475: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 17 Related electrical circuit diagram ...
Page 477: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 19 Related electrical circuit diagram ...
Page 479: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 21 Related electrical circuit diagram ...
Page 485: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 27 Related electrical circuit diagram ...
Page 487: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 29 Related electrical circuit diagram ...
Page 489: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 31 Related electrical circuit diagram ...
Page 491: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 33 Related electrical circuit diagram ...
Page 493: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 35 Related electrical circuit diagram ...
Page 495: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 37 Related electrical circuit diagram ...
Page 497: ...40 Troubleshooting SEN02090 00 BR380JG 1E0 39 Related electrical circuit diagram ...
Page 511: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 5 Related electrical circuit diagram ...
Page 513: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 7 Related electrical circuit diagram ...
Page 520: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 15 Related electrical circuit diagram ...
Page 522: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 17 Related electrical circuit diagram ...
Page 524: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 19 Related electrical circuit diagram ...
Page 526: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 21 Related electrical circuit diagram ...
Page 531: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 27 Related electrical circuit diagram ...
Page 533: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 29 Related electrical circuit diagram ...
Page 538: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 35 Related electrical circuit diagram ...
Page 540: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 37 Related electrical circuit diagram ...
Page 542: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 39 Related electrical circuit diagram ...
Page 544: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 41 Related electrical circuit diagram ...
Page 546: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 43 Related electrical circuit diagram ...
Page 550: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 47 Related electrical circuit diagram ...
Page 554: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 51 Related electrical circuit diagram ...
Page 556: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 53 Related electrical circuit diagram ...
Page 558: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 55 Circuit diagram related to air cleaner clogging ...
Page 560: ...40 Troubleshooting SEN02091 00 BR380JG 1E0 57 Circuit diagram related to charge voltage ...
Page 577: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 17 Circuit diagram related to fuel control dial ...
Page 579: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 19 Circuit diagram related to fuel control dial ...
Page 601: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 43 Circuit diagram related to No 1 injector ...
Page 603: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 45 Circuit diagram related to No 5 injector ...
Page 605: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 47 Circuit diagram related to No 3 injector ...
Page 607: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 49 Circuit diagram related to No 6 injector ...
Page 609: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 51 Circuit diagram related to No 2 injector ...
Page 611: ...40 Troubleshooting SEN02092 00 BR380JG 1E0 53 Circuit diagram related to No 4 injector ...
Page 617: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 5 Circuit diagram related to engine controller ...
Page 619: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 7 Circuit diagram related to sensor power supply 1 ...
Page 622: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 11 Circuit diagram related to water in fuel sensor ...
Page 624: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 13 Circuit diagram related to water in fuel sensor ...
Page 652: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 45 Related electrical circuit diagram ...
Page 654: ...40 Troubleshooting SEN02093 00 BR380JG 1E0 47 Related electrical circuit diagram ...
Page 659: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 5 Circuit diagram related to horn relay ...
Page 661: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 7 Related electrical circuit diagrams ...
Page 666: ...SEN02094 00 40 Troubleshooting 12 BR380JG 1E0 Related electrical circuit diagram ...
Page 668: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 15 Related electrical circuit diagram ...
Page 670: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 17 Related electrical circuit diagram ...
Page 672: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 19 Related electrical circuit diagram ...
Page 674: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 21 Circuit diagram related to engine stop switch ...
Page 681: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 29 Related electrical circuit diagram ...
Page 683: ...40 Troubleshooting SEN02094 00 BR380JG 1E0 31 Related electrical circuit diagram ...
Page 765: ...SEN02307 00 40 Troubleshooting 2 BR380JG 1E0 S 16 Vibration is excessive 23 ...
Page 794: ...50 Disassembly and assembly SEN02737 00 BR380JG 1E0 7 ...
Page 823: ...SEN02738 00 50 Disassembly and assembly 28 BR380JG 1E0 ...
Page 828: ...50 Disassembly and assembly SEN02738 00 BR380JG 1E0 33 ...