Hyundai Robex 22-7, Service Manual

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19 TROUBLESHOOT-
ING
CONTENTS
19-1 Troubleshooting
19-1-1 All functions not operational
19-1-2 Operation power is weak
19-1-3 No operation on boom, arm, bucket slewing
19-2 Travelling system
19-2-1 Right (or left) hand side of crawler
does not work correctly
19-2-2 Travelling meander by slow speed
on only right (left) hand side
19-2-3 Machine fails to hold on incline
19-3 Slewing system
19-3-1 No operation both (right/left)slewing
19-3-2 It is possible to turn right (left)
but not left (right)
19-3-3 Turning acceleration slow, the overturn
is highter than tolerance
19-3-4 Extreme slow turning speed
19-3-5 Turning movement when the machine is
parked on a slope
19-4 Boom system (for arm and bucket cylinders
the same method as follows.)
19-4-1 No movement on boom cylinder
19-4-2 Slow action or lack of power on boom
cylinder
19-4-3 Natural fall of boom
19-5 Swing system
19-5-1 No movement on swing system
19-5-2 Drifting swing cylinder