Hitachi ZAXIS 17U-2 Operator's Manual page 80

Extending / Retracting Blade Width
Change the blade width in accordance with the side
frame extension / retraction.
When working with the blade contact to ground, there
are some cases that it is difficult to remove the pins.
Work after raising the blade, and stopping the engine.
When extending the blade width:
1. Remove blade pins (5).
2. Turn over the extension blade (4) and align the two
pin holes.
3. Install blade pins (5).
4. Extend the left side following steps 1 to 3 above.
When retracting the blade width:
1. Remove blade pins (5).
2. Turn over the extension blade (4) so that the cutting
edge side may turn to the track shoe side. Align the
two pin holes.
3. Install blade pins (5).
4. Retract the left side following steps 1 to 3 above.
OPERATION
5-9
4
5
M1MS-05-008
5
4
M1MS-05-009