Komatsu PC18MR-3, Operation & Maintenance Manual

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MODIFYING THE MACHINE CONTROL PATTERN (ONLY ON MACHINES WITH PATTERN CHANGE VALVE)
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6.6 MODIFYING THE MACHINE CONTROL PATTERN
(ONLY ON MACHINES WITH PATTERN CHANGE VALVE)
WARNING
q
Before using the pattern change lever to modify the control pattern of the machine, lower the tools to the
ground, stop the engine an ensure that the safety device lever is in the locked position.
q
After modifying the control operating pattern, perform the first manoeuvres slowly and with particular
caution as incorrectly performed manoeuvres may cause serious damage and even fatal injuries.
q
After modifying the control operating pattern and before testing the machine functions, ensure that
there are no obstacles in the area or persons in the operating radius of the machine.
6.6.1 PROCEDURE FOR MODIFYING CON-
TROL PATTERN
1. Park the machine on stable, even ground, set the safety de-
vice lever to the locked position and stop the engine.
2. Open the cover on the right hand side of the machine.
3. Loosen the screw (1) and select a new control operating pat-
tern by moving the lever (2) up or down.
The lever has two positions:
Position (A): ISO PATTERN control system
Position (B): BACKHOE PATTERN control system
4. After selecting the control pattern, tighten the screw (1).
5. Replace the control pattern card with the card corresponding
to the selected control pattern (insert card in card holder).
6. Start the engine, set the safety device lever to the work posi-
tion (F) and operate the tool control levers slowly to verify
that the control pattern has been changed successfully.
IMPORTANT
q
Before moving the machine, the operator must ensure that
the control pattern card fitted in the machine corresponds
to the control pattern selected with the lever (2).