Manitowoc Published 08-12-19, Control # 224-13_v2 4-11
MLC650 OPERATOR MANUAL SET-UP AND INSTALLATION
6. All plugs, regardless of location, must be fully screwed
together into their corresponding caps until there is
metal to metal contact during crane assembly.
Examples of locations of caps and plugs:
• hanging lanyards
• storage brackets
• job box
7. All quick disconnects must be fully screwed together
with their corresponding cap and plug until there is metal
to metal contact during crane disassembly.
The following threaded areas of the quick disconnects, caps,
and plugs must be lubricated with LPS-2 Aerosol Lubricant
during crane assembly and disassembly (see Figure 4-11
):
• threaded surface of male quick disconnect
• threaded surface of female quick disconnect
• threaded surface of aluminum caps and plugs
• o-rings
NOTE: If the crane is stored without operating for long
duration, the hydraulic quick disconnects, caps,
and plugs must be lubricated every 6 months.
Item Description
1 Female Quick Disconnect
2 Male Quick Disconnect
3 O-ring
4 Aluminum Cap
5 Aluminum Plug
FIGURE 4-11