Komatsu PC22MR-3 Operation & Maintenance Manual page 112

CAB
2. Shift the safety lever (1) to the "locked" position (L).
3. Make sure that the windshield wiper is positioned correctly.
4. 4.Seize the handles (A) at the right or left top of the front
windscreen and push the locking levers (B) down to
release the windscreen.
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WEAM014500
FUNCTIONING
RKA32810
RKA34290