NOTICE
• Komatsu recommends using Komatsu genuine parts for replacement parts.
• If the engine is operated without the filter element, the turbocharger and aftercooler become dirty
and their performance will lower and that can cause engine problems such as overrun caused by
suction of oil. Therefore, never start the engine without the filter element.
• The filter element cannot be cleaned. Flushing or regenerating of the filter element will degrade the
performance of the filter. As a result, the turbocharger and aftercooler become dirty and the per-
formance lowers or the crankcase pressure increases. Never reuse the filter element since it can
cause an engine failure.
• After the filter element is replaced, if KCCV is not assembled correctly, oil or blowby gas may leak.
Replace the filter element in the correct procedure.
• Always stop the engine and clean around the KCCV before replacing the element.
Items to be prepared
• Container to catch the drained oil
• Special wrench for KCCV
The KCCV ventilator is located in the position shown in the fig-
ure.
For the use of the special wrench, see the figure.
1.
By using the special wrench, loosen the ring (3) of the
KCCV ventilator (1).
MAINTENANCE PROCEDURE
MAINTENANCE
4-72
Содержание PC1250-11
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Страница 67: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 73: ...REMARK The above figure does not show all of the caution lamp symbols OPERATION GENERAL VIEW 3 7...
Страница 317: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...
Страница 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...
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Страница 401: ...SPECIFICATIONS 5 1...
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Страница 435: ...REPLACEMENT PARTS 7 1...
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Страница 452: ...PC1250 11 PC1250SP 11 HYDRAULIC EXCAVATOR Form No EENAM03651 2018 KOMATSU All Rights Reserved Printed in Belgium 06 2018...