Komatsu PC290LC-11 Operation & Maintenance Manual page 318

TRANSPORTATION
1)
Remove cap (7) from inside the door by picking the
protrusion (a) of cap (7) with fingers.
2)
Loosen the inside nuts (8) (2 places) to remove striker
(3).
• Keep the removed parts and removal procedure
manual in the magazine box.
3.
Covering stoppers and striker
Cover the mounting holes of stoppers and striker with tape
(b) etc. to prevent dust from entering the holes.
METHOD FOR INSTALLING CAB PARTS
1.
Removal of covering of stoppers and striker
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OPERATION