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IMT 3820 - User Manual

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99903514:TELESCOPIC CRANE: i SECTION 0: INTRODUCTION
VOLUME 1
IOWA MOLD TOOLING CO., INC.
BOX 189, GARNER, IA 50438-0189
TEL: 641-923-3711
TECHNICAL SUPPORT FAX: 641-923-2424
MANUAL PART NUMBER 99903514
TELESCOPIC CRANE
OPERATION AND SAFETY
20140915
Iowa Mold Tooling Co., Inc. is an Oshkosh Corporation Company.

Table of Contents

Questions and Answers

  • H
    Hayden ElliottAug 9, 2025
    What to do if IMT Construction Equipment crane functions don't work?
    • D
      dickersonscottAug 9, 2025
      If the crane functions, such as boom down, extension out, and winch up, are not working, it may be due to a two-blocking or overload condition. To resolve this, winch down to relieve the two-block condition. Alternatively, boom up, extend in, or winch down to relieve the overload condition.
  • B
    Bobby WrightAug 15, 2025
    What to do if my IMT Construction Equipment radio remote does not work?
    • E
      esmithAug 15, 2025
      If the radio remote isn't functioning, it could be due to the emergency stop button being pushed in or a dead remote battery. Try pulling out the emergency stop button. If that doesn't work, replace the battery with a fully charged one.
  • W
    wmartinAug 21, 2025
    Why is my IMT Construction Equipment tethered remote not working?
    • S
      Susan SavageAug 21, 2025
      If the tethered remote isn't working, several factors could be the cause. First, ensure the “Power” toggle switch is switched to “Crane”. Also, verify the tether is securely plugged into the connection in the control cabinet. If the issue persists, the tethered control might be broken; in this case, use the buttons on the valve bank to manually stow the crane.
  • C
    clayscottAug 27, 2025
    What to do if my IMT Construction Equipment vehicle tires sink into the ground?
    • J
      Joanne HollowayAug 27, 2025
      If the vehicle tires are sinking into the ground, it is likely due to an unstable work area. Reposition the truck to more stable ground, or use blocks under the tires for added support.
  • H
    Hannah MezaSep 2, 2025
    Why don't my hydraulic outrigger controls function on my IMT Construction Equipment?
    • K
      Kelly FergusonSep 2, 2025
      If the hydraulic outrigger controls aren't working, the crane may not have hydraulic power. Engage the PTO (Power Take-Off) to power the crane’s hydraulic system.

Summary

SECTION 0: INTRODUCTION

Telescopic Crane Operation and Safety

Main topic of Volume 1, covering operation and safety procedures for the crane.

SECTION 1: OPERATION

Crane Capacity and Load Limits

Explains how to determine the crane's load capacity and limits based on the placard.

Fire Precautions

Safety measures to prevent fires, including refueling and fire extinguisher use.

Electrical Hazards and Workstation Positioning

Addresses electrical hazards, safe workstation placement, and outrigger operation details.

Crane Controls and Radio Remote Operation

Details crane control functions and how to operate the radio remote control system.

Understanding Reduced Capacity Charts

Explains the use and interpretation of Reduced Capacity Lift Charts (RCLC).

Electrical Safety Clearances and Contact Response

Details required clearances near power lines and follow-up actions after electrical contact.

Crane Capacity Alert System

Details the function, operation, and maintenance of the electrically operated capacity alert system.

Task Performance and Troubleshooting

Covers general task performance and provides troubleshooting steps for common crane operation issues.

Outrigger Operation and Safety

Explains the proper use and safety precautions for operating the crane's outriggers.

Anti Two-Blocking System

Explains the anti two-blocking system and its importance in preventing damage and accidents.

Important Safe Operation Notes

Critical safety points covering anti-two-blocking, overload protection, winch, and wire rope usage.

SECTION 2: MAINTENANCE

Wire Rope and Hook Maintenance

Covers inspection, lubrication, and general maintenance for wire rope and hooks.

ELLS Test Procedure - Crane Boom Positioning

Instructions for positioning the crane boom as part of the ELLS test.

ELLS Troubleshooting Procedure

A step-by-step guide to troubleshoot issues with the ELLS.

Hydraulic System Specifications and Fluid Level

Details hydraulic oil specifications, low-temperature requirements, and how to check fluid levels.

Wire Rope Maintenance and Replacement

Outlines procedures for maintaining wire rope and when it needs to be replaced.

ELLS Test Procedure - Attaching Pressure Gage

Details on how to attach a pressure gauge for the ELLS test, including safety warnings.

Winch Troubleshooting

Common problems with the winch and their probable solutions.

ELLS Test Procedure - Alternative Gage Attachment

Provides an alternative method for attaching the pressure gauge for ELLS testing.

Hydraulic System Troubleshooting

Provides guidance on diagnosing and resolving issues within the hydraulic system.

Excessive Load Limit System (ELLS) Test Procedure

Steps to test the operational status of the Excessive Load Limit System.

ELLS Test Procedure - System Testing

Steps to perform the system test on the ELLS, including function checks.

SECTION 3: REPAIR

Valvebank Troubleshooting and Replacement

Provides steps for troubleshooting valvebank issues and procedures for replacement.

Bearing Replacement and Valvebank Components

Details on replacing bearings and describes the components of the hydraulic valvebank.

Hydraulic Valvebank Components Explained

Explains the function of relief, proportional, and directional valves within the valvebank.

SECTION 3 A. CYLINDER REPAIR

Cylinder Disassembly and Assembly Overview

Introduces the process of cylinder repair, covering disassembly and assembly procedures.

Seal Installation Guidelines

Provides essential guidelines and best practices for correctly installing cylinder seals to prevent leaks.

Cylinder Repair Tools and Disassembly Steps

Lists necessary tools and details the initial steps for disassembling a cylinder.

Cylinder Assembly: Piston and Rings

Covers the installation of the piston, wear rings, and seals during cylinder assembly.

Cylinder Disassembly: Piston and Rod

Continues the cylinder disassembly process, focusing on the piston and rod assembly.

Cylinder Assembly: Head and Piston Torque

Details the final assembly steps for the cylinder head and torquing the piston.

Cylinder Disassembly: Seals and Components

Details the removal of seals and identification of cylinder components during disassembly.

SECTION 4: INSTALLATION

IMT 3820 Specifications

General IconGeneral
BrandIMT
Model3820
CategoryConstruction Equipment
LanguageEnglish

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