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Yongmao STT113 User Manual

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STT113
TOWER CRANE
II. OPERATION & SERVICE MANUAL
Fushun Yongmao Construction Machinery Co. Ltd.
2007R32

Table of Contents

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Yongmao STT113 Specifications

General IconGeneral
ModelSTT113
Max Load Capacity8 tons
Working Voltage380V/50Hz
Maximum Load8000 kg
Slewing Speed0-0.7 rpm

Summary

Tower Crane Parameter and Structure

Main Performance Parameter and External Dimensions

Details on dimensions and load capacity charts for the tower crane.

Safe Rules of Tower Crane

Manual of Safe Rules

Guidelines for safe operation, correct usage, and general safety measures.

Safety Rules During Working Stage

Pre-operation checks and safety procedures during work execution.

Maintenance and Fault Clearance

Procedures for maintaining the crane and addressing operational faults.

Instruction for Special Dangerous

Specific warnings and instructions for hazardous situations.

Operation

Precautions During Operation

Important safety measures and checks to perform before, during, and after operation.

Power Supply and Schematic Diagram

Power Supply of the Tower Crane

Guidelines for connecting and ensuring proper power supply to the crane.

Earthing

Methods and requirements for grounding the tower crane for safety.

Hoisting Winch (24PQC15)

Maintenance and Servicing of Hoisting Winch

Routine checks and maintenance tasks for the hoisting winch.

Slewing Mechanism

Operating and Fault Clearance

Guidance on operating the slewing mechanism and troubleshooting common faults.

Safety Device

Hoisting Limiter

Explains the purpose, working principle, and adjustment of the hoisting limiter.

Slewing Limiter

Details the purpose, working principle, and adjustment of the slewing limiter.

Trolley Limiter

Explains the purpose, working principle, and adjustment of the trolley limiter.

Moment Limiter

Covers the purpose, working principle, and adjustment of the moment limiter.

Load Limiter

Information on the purpose, working principle, and adjustment of the load limiter.

Hydraulic System

Operating and Maintenance

Procedures for operating and maintaining the hydraulic system.

Common Failure Reason and its Clearance

Identifies common hydraulic system failures and their solutions.