Cap With Lock - Komatsu D155A-6 Operation & Maintenance Manual

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EXPLANATION OF COMPONENTS

CAP WITH LOCK

Lock-type caps are available for the radiator water filler, power train case oil filler cap, and hydraulic tank oil filler cap.
For details of the locations of the caps with locks, see "LOCKING (PAGE 3-142)".
OPENING AND CLOSING CAP WITH LOCK
Use the starting switch key to open and close the locks on the caps except fuel tank cap.
The method of opening or closing the locks on the caps are as follows.
OPENING THE COVER
1. Insert the key. Make sure that you have inserted the key fully
(1) before turning it. If the key is turned when only partially
inserted, it may break.
(L) : Lock position
(F) : Open position
(A) : working angle of key 180°
(B) : 45°
2. Turn the key counterclockwise to align the match mark (2) on
the cap with the rotor groove, then turn the cap slowly. When
a click is heard, the lock is released, enabling the cap to be
opened.
LOCKING THE COVER
1. Turn the cap into place.
2. Turn the key clockwise and take the key out.
3 - 66
OPERATION

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