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November 2008
5.1
INTRODUCTION
•
Maintenance inspections shall be completed by a
person trained and qualified on the maintenance
of this machine.
•
Immediately tag and remove from service a
damaged or malfunctioning machine.
•
Repair any damage or malfunction before operating
machine.
•
Unless otherwise specified, perform each
procedure with the machine in the following
configuration:
-
machine parked on a flat level surface;
-
boom in the stowed position;
-
key switch in the OFF position with the key
removed.
Before troubleshooting:
•
Read, understand and obey the safety rules and
operating instructions printed in the Operator
Manual of the machine.
•
Be sure that all necessary tools are available and
ready for use.
•
Read each appropriate flow chart thoroughly.
•
Pay special attention to the following warnings:
DANGER
Crushing hazard. When testing or replacing any
hydraulic component, always support the structure
and secure it from movement.
WARNING
Electrocution hazard. Contact with electrically
charged circuits may result in death or serious
injry. Remove all rings, watches and other
jewerly.
Document 57.0009.0427
GTH-4017EX GTH-4514EX GTH-4013EX
Section 5 - Problems-Causes-Solutions
Problems-Causes-Solutions
WARNING
Spraying hydraulic oil can penetrate and burn
skin; loosen hydraulic connections very slowly
to allow the oil pressure to dissipate gradually.
Do not allow oil to squirt or spray.
CAUTION
Perform all troubleshooting on a firm level
surface.
CAUTION
Two person will be required to safely perform
some troubleshooting procedures.
1
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