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00 INDEX AND FOREWORD
H-9 WORK EQUIPMENT DOES NOT MOVE WITH INDIVIDUAL FUNCTION .............................40-966
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE ..........................................................................40-967
H-11 EXCESSIVE ARM DRIFT .....................................................................................................40-968
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE.......................................................................40-970
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIP-
MENT MOVES ..........................................................................................................................40-971
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE ...................................................................40-972
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE ...........................40-973
H-16 ATTACHMENT CIRCUIT CANNOT BE CHANGED..............................................................40-974
H-17 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED .......................................40-975
H-18 WORK EQUIPMENT IS SLOW IN COMBINED OPERATION ..............................................40-976
H-19 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY ......
..................................................................................................................................................40-977
H-20 BOOM RAISE SPEED IS SLOW WHEN COMBINED WITH SWING FUNCTION ................40-978
H-21 MACHINE DOES NOT TRAVEL STRAIGHT ........................................................................40-979
H-22 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW...............................40-982
H-23 TRAVEL SPEED IS LOW .....................................................................................................40-984
H-24 ONE OF TRACKS DOES NOT RUN ....................................................................................40-986
H-25 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST ....40-987
H-26 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT ...................40-988
H-27 SWINGS ONLY IN ONE DIRECTION...................................................................................40-989
H-28 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND
LEFT) ........................................................................................................................................40-990
H-29 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY
ONE DIRECTION ......................................................................................................................40-991
H-30 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH
RIGHT AND LEFT)....................................................................................................................40-992
H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE
DIRECTION EITHER RIGHT OR LEFT)....................................................................................40-993
H-32 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING ...............................40-994
H-33 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING..40-995
H-34 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED).40-996
H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)........
..................................................................................................................................................40-997
H-36 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) ..............................40-998
H-37 UNUSUAL NOISE IS HEARD FROM AROUND FAN ...........................................................40-999
TROUBLESHOOTING OF ENGINE (S-MODE) .................................................................................40-1000
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...............................40-1000
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION.......
................................................................................................................................................40-1001
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT .................................................40-1002
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) ........................................................................................................40-1003
S-4 ENGINE IS HARD TO START ..............................................................................................40-1005
S-5 ENGINE DOES NOT PICK UP SMOOTHLY ........................................................................40-1007
S-6 ENGINE STOPS DURING OPERATION ..............................................................................40-1009
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE ........................................................................40-1011
S-8 LOW ENGINE POWER ........................................................................................................40-1012
S-9 BLACK EXHAUST SMOKE ..................................................................................................40-1014
S-10 EXCESSIVE OIL CONSUMPTION .....................................................................................40-1016
S-11 EXCESSIVE OIL CONTAMINATION...................................................................................40-1017
S-12 EXCESSIVE FUEL CONSUMPTION..................................................................................40-1018
S-13 HIGH COOLANT PRESSURE OR OIL CONTAMINATION.................................................40-1019
S-14 RAPID OIL PRESSURE LOSS...........................................................................................40-1020
S-15 FUEL CONTAMINATION OF ENGINE OIL .........................................................................40-1022
S-16 OIL IS CONTAMINATED BY COOLANT.............................................................................40-1023
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) ....................................40-1024
S-18 ABNORMAL SOUND FROM MACHINE .............................................................................40-1025
PC170LC-11
INDEX
00-13
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