Manitowoc Published 12-10-19, Control # 258-05 4-7
MLC90A-1/MLC100-1 OPERATOR MANUAL SETUP AND INSTALLATION
PIN AND CONNECTING HOLE
CLEANLINESS
To prevent dirt from damaging closely machined surfaces of
pins and connecting holes:
• Thoroughly clean all pins and connecting holes.
• Apply a light coat of grease to all pins and connecting
holes.
ELECTRIC CABLE CLEANLINESS
To prevent dirt from damaging the electric connectors:
• Thoroughly clean the electric connectors before
connecting them.
• Thoroughly clean the dust caps before attaching them to
electric cables.
• Do not drag the electric cable connectors or cables on
the ground.
• Apply a light coat of dielectric grease to all cable
connector pins and connecting holes.
• Apply a light coat of silicone lubricant to the threads of
the cable connectors and dust caps.
CONNECTING/DISCONNECTING
HYDRAULIC HOSES AND ELECTRIC
CABLES
Always STOP ENGINE before performing the following steps
during crane assembly and disassembly:
• Connecting and disconnecting hydraulic lines. It will be
easier to connect and disconnect the couplers when
there is no pressure in the system.
• Connecting and disconnecting electric cables. The
potential for operating faults or damage to the electric
components exists if the engine is not stopped.
PRE-START CHECKS
Make the following checks before starting the engine upon
arrival at the job site.
- See Section 5 of the Operator Manual for lubrication
requirements.
- See Section 3 of the Operator Manual for starting
instructions.
Deploy the crane platforms as necessary to gain access to
components.
Engine
1. Check for leaks.
2. Check fuel, oil, and coolant levels.
3. Repair or refill as required.
Gear Boxes
1. Check for leaks.
2. Check levels.
3. Repair or refill as required.
Hydraulic System
1. Check for leaks.
2. Check level.
3. Repair or refill as required.
4. Make sure hydraulic tank shut-off valve is open.
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