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As to malfunction reason and repair
manner of the engine, please refer to
the
《
YANMAR 403C-11 engine malfunction
estimation and maintenance manual
》
.
Only authorized people can disassemble and repair the hydraulic parts, please
consult with manufacturer if mentioned works is necessary.
Lower the work equipment or dozer blade to the ground when servicing them and
release the residual pressure of hydraulic system:
Park the machine on level ground, stop the engine, put the pilot control rod
on open position
and shake the pilot operation handle for several circles.
(2)
Grease all the places that need lubrication.
(3)
Check engine oil level to make sure it is in a stipulated position, otherwise you should
fill oil. If there is any water in oil, change oil
(4)
Turn the key to “ON” position, switch accelerograph button from low to high speed and
last for 3 seconds, then switch to low speed and start engine.
6. TROUBLE SHOOTING
If malfunction occurs, stop machine immediately, analyze the reason and maintain adjust or
repair the machine as following methods, objects and order.
