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6 - Maintenance
TR4 - TR4R aluminium boom
General information
Before adjusting the boom settings, check the following points:
1. The boom must be well lubricated (see "Lubrication").
2. The machine should be parked on flat horizontal ground.
3. The boom must be unfolded and horizontal.
±
WARNING! As a safety measure, there should be no one near the boom during adjustment operations.
4
1. Central frame
2. Inner section
3. Outer section
4. Break-away section
Horizontal alignment of outer sections (TR4 - TR4R)
This adjustment is for changing the alignment of the outer section with
respect to the inner section.
• Unfold the boom completely.
• Loosen the counter-nut fig.3 and turn the screw fig.4 to change the
alignment of the outer section
• Ensure that the ram rod fig.2 is fully out.
• Adjust the length of the rod fig.1 until the screw fig.4 is supported.
• Rotate the rod for 2 more turns to fix the outer section in place.
• Fold the outer section completely.
• Loosen the nut fig.2 to increase the holding of the outer section in
transport.
94
3
2
1
4
1
2
1
2
3
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