Related Manuals for Terex TM105
Summarization of Contents
Manual Letdown Overview
Tools and Models
Lists the tools required and applicable Terex TM series models for manual letdown.
Safety Rules and Precautions
Details critical safety instructions, including danger warnings and maintenance prerequisites.
Manual Letdown Procedure Steps 1-2
Step 1: Initial Assessment
Assess boom position, identify obstructions, and plan movements for manual letdown.
Step 2: Safety Systems Inoperable
Highlights that safety limit systems are not operational during manual letdown.
Manual Rotation and Control Operation
Rotation Override and Valve Reset
Explains how to use the rotation override and the importance of resetting counterbalance valves.
Manual Letdown Execution Steps 3-7
Step 3: Lower Boom Extension
Instructions for activating and retracting the lower boom extension.
Step 4: Boom Lowering Sequence
Guidance on the sequence for lowering upper and lower booms using gravity.
Step 5: Upper/Lower Boom Letdown
Details on activating and repeating letdown functions for upper and lower booms.
Step 6: Lowering Booms Safely
Ensures safe lowering of booms, preventing platform instability and respecting extension retraction.
Step 7: System Reset and Air Purging
Procedures for returning valves to normal and purging air from the hydraulic system.
Post Letdown Operational Checks
Lower Boom Angle Requirements
Specifies minimum boom angles required for lower boom extension after letdown.
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