Related Manuals for Terex TM125
Summarization of Contents
Service Call: Manual Letdown on TM Series
Tools Required for Letdown
List of tools needed for manual letdown operation, including a 7/8" wrench and jack handle.
Applicable TM Series Models
Specifies the Terex TM series models covered by this manual letdown procedure.
Step 1: Assess Boom Position and Plan Movements
Assess boom position, identify obstructions, and plan movements for safe gravity-assisted letdown.
Step 2: Initiate Letdown and Rotation Procedures
Instructions for using pump handle, meter controls, and rotation release for manual letdown operations.
Step 3: Activate Lower Boom Extension Letdown
Procedure to activate and retract the lower boom extension using the manual letdown system.
Step 4: Determine Correct Boom Lowering Sequence
Guidance on determining the correct sequence for lowering upper and lower booms via gravity.
Step 5: Activate Upper Boom Letdown
Steps to activate the manual letdown for the upper boom function.
Step 6: Execute Safe Boom Lowering
Proper sequence for lowering booms to prevent platform instability and ensure safety.
Step 7: System Reset and Air Purging
Procedure to return valves to normal, purge hydraulic air, and cycle systems before service.
Post-Letdown Lower Boom Extension Angles
Specifies minimum angle requirements for lower boom extension on different TM models after letdown.
Tech Tip Safety Rules
Danger: Risk of Death or Serious Injury
Warning about severe injury or death from failing to follow safety and operational instructions.
Prerequisites for Performing Maintenance
Conditions required before performing maintenance: training, understanding instructions, and proper tools.
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