Manitowoc Published 11-20-19, Control # 234-19 4-69
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
Prepare Counterweight Tray
Perform the following steps if needed. See Figure 4-50.
1. Connect two shackles (1, View B) and two lifting slings
(2) to the inboard holes in the mounting frame (3) and to
the assist crane.
2. Tighten the lifting slings and remove pins (4, View B).
3. Lift the mounting frame (3) from the VPC-MAX position
(View B) to the VPC position (View A).
4. Align the connecting holes and install pins (4, View A).
Make sure the pin heads face in as shown.
5. Disconnect the shackles (1) from the mounting frame
(3).
6. Repeat step 1
through step 5 for the other mounting
frame.
7. Connect two shackles (1, View B) and two lifting slings
(2) to the lifting holes in the counterweight tray frame (5).
8. Tighten the lifting slings and remove the pins (6 and 7,
View B) from holes B.
9. Lift the counterweight tray frame (5) from the VPC-MAX
position (View B) to the VPC position (View A).
10. Align the connecting holes and install the pins (6 and 7,
View A) in holes A.
11. Disconnect the shackles (1) from the counterweight tray
frame (5).
12. Repeat step 7
through step 11 for the other mounting
frame.