SET-UP AND INSTALLATION TMS9000-2 OPERATOR MANUAL
6-82
Published 02-21-2019, Control # 611-05
The manual offsetable heavy duty boom extension is now
ready to be lifted in front of the main boom nose and
installed.
Installing Manually Offsetable Heavy Duty
Boom Extension
1. Fully extend and set outriggers.
2. Position boom over rear of crane.
3. Fully retract all boom sections.
4. Lower boom to minimum elevation.
5. Using a suitable lifting device, lift the heavy duty boom
extension in front of the boom nose aligning the anchor
fittings with boom attachment fittings.
6. Using an impact driver attached to the right side
attachment pins jack screw, turn the screw
counterclockwise until both pins are fully engaged in the
anchor fittings and attachment fittings of the boom nose.
7. Using the impact driver, turn the jack screw of the left
side attachment pins mechanism counterclockwise until
the pins are fully engaged with the anchor and
attachment fittings.
8. Using the handle fold up the upper deflection sheave
and secure with the pin. Secure the pin with the retaining
clip.
9. Using the hand hold fold the front sheave out and secure
with the pin. Secure the pin with the retaining clip.
10. As required, rig main hoist or optional auxiliary hoist
cable for single through four part line.
11. Install the anti-two block switch on the pin and secure
with the retaining clip.
12. Connect anti-two block cable:
a. Attach anti-two block cable to the junction box.
b. Route the cable from the junction box to the junction
box on the boom nose and connect to the plug.
Setting Heavy Duty Boom Extension Manual
Offset
To set the offset, use the procedure for the folding boom
extension, refer to Extension Angle Adjusting Mechanism,
page 6-63.
Removing the Manual Offsetable Heavy Duty
Extension
1. Disconnect the cable from the junction box on the boom
nose.
2. Disconnect the anti-two block switch cable from the
junction box on the extension.
3. Remove the clip (2, Figure 6-180) securing the anti-two
block switch (1) to the pin, and remove the anti-two block
switch.
4. Remove the retaining clip and pin (1, Figure 6-179).
5. Rotate the sheave up into the stowed position
(Figure 6-178).
6. Remove the retaining clip and pin securing the upper
sheave and lower the sheave into the stowed position.
Secure the sheave with the pin and retaining clip.
7. Attach a lifting device to the heavy duty extension.
8. Use the impact driver (3, Figure 6-177) to turn the jack
screw (4) clockwise to remove the pins (5) from the
fittings.
9. Use the impact driver to turn the jack screw clockwise to
remove the pins from the extension attachment fittings
and the main boom anchor fittings.
10. With the heavy duty extension supported by the lifting
device, lay the extension down on the ground behind the
lattice base extension so the fittings align to connect the
heavy duty extension to the lattice base extension.
11. Install the pins to secure the heavy duty extension to the
lattice base extension and secure with clips.
12. Raise the base extension and position it in front of the
main boom.
DANGER
Crushing Hazard!
Ensure blocking material is adequate to support weight of
the extension assembly without tipping or falling.
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