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Jerr-Dan MPL - User Manual

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5-376-000102
REV. 1 - 07/10
© 2010 Jerr-Dan Corporation. All Rights Reserved.
MPL
OPERATIONS AND MAINTENANCE
MANUAL
$35.00
1080 Hykes Road
Greencastle, PA 17225
Phone (717) 597-7111
www.jerr-dan.com

Table of Contents

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Questions and Answers

  • B
    Bradley CabreraJul 26, 2025
    Why is the operation of my Jerr-Dan MPL so slow?
    • C
      Crystal LucasJul 26, 2025
      Slow operation in Jerr-Dan Trucks can stem from several causes. It could be due to: * Low engine RPM: Speed up the engine. * Low oil level: Check the dipstick and fill with the specified oil. * Blocked or restricted hoses: Inspect and remove any blockage. * Dirty hydraulic oil: Drain, flush, and refill with clean oil, replacing the filter. * A worn hydraulic pump: Consider rebuilding or replacing it. * Clutch Pump belt slipping: Tighten or replace the belt.
  • S
    sbookerJul 31, 2025
    What to do if the remote hand controller fails to respond on my Jerr-Dan MPL?
    • J
      Johnny RuizJul 31, 2025
      If the remote hand controller on your Jerr-Dan Trucks isn't responding, consider these potential causes and solutions: 1. Electric power turned off: Turn on the CONTROL power switch in the cab. 2. Not plugged in: Check the plug connection. 3. Faulty Remote Hand Controller: Use the manual controls at the rear of the body.
  • R
    rita13Aug 5, 2025
    What to do if valve solenoid(s) are sticking or frozen on my Jerr-Dan MPL?
    • B
      Brian MitchellAug 5, 2025
      If the valve solenoid(s) on your Jerr-Dan Trucks are sticking or frozen, it could be due to: * A broken centering spring or being clogged with foreign material: Inspect, clean, or replace the affected parts. * Low Amperage/Voltage at Solenoid: Check the Amperage/Voltage.
  • J
    Jasmine MartinezAug 11, 2025
    Why does my Jerr-Dan MPL cylinder leak?
    • A
      Andrew SuarezAug 11, 2025
      Cylinder leaks in Jerr-Dan Trucks can occur due to defective seals or rods. Inspect and replace the defective components.
  • K
    Kelly GonzalesAug 16, 2025
    Why do valve leaks occur in Jerr-Dan MPL Trucks?
    • R
      Robin RobinsonAug 16, 2025
      Valve leaks in Jerr-Dan Trucks are often due to defective seals. The solution is to replace them.
  • J
    janicebaileyAug 20, 2025
    How to fix erratic cylinder function in Jerr-Dan MPL?
    • F
      fkellyAug 20, 2025
      Erratic cylinder function in Jerr-Dan Trucks can be caused by: * Air in the system: Cycle the hydraulic system 10 to 15 times to remove the air. * Defective pump (pulsating): Replace the pump if necessary.

Summary

Foreword

Warranty Information

Limited Warranty Terms

Manufacturer's sole warranty terms and conditions for the product, including limitations and responsibilities.

Safety Guidelines

General Safety Practices

Guidelines for safe operation, understanding manuals, and avoiding unsafe practices.

Operational Safety Limits

Critical operational ratings for MPL, including underlift, tow, boom, and winch capacities.

Lift and Boom Safety

Precautions for safe lifting and boom operations, considering conditions and operator experience.

Safety Decals and Checklists

Importance of decals and essential pre-transport checklists for safe operation.

Operation Procedures

Wheel-Lift Operation

Step-by-step instructions for performing wheel-lift towing operations.

Tie Down Straps and Hitch Attachment

Proper installation and use of tie down straps and towball hitch attachment.

Specialized Operations

Guides for recovery winch, motorcycle adapter, and towing dollies.

Maintenance and Troubleshooting

Routine Maintenance and Lubrication

General maintenance, lubrication, and wire rope inspection procedures.

Troubleshooting Hydraulic Systems

Common problems and solutions for the hydraulic system, pumps, and winches.

Glossary of Terms

Terms A, B

Definitions of terms starting with 'A' and 'B' related to towing and equipment.

Terms C, D

Definitions of terms starting with 'C' and 'D' related to towing and equipment.

Terms E, F

Definitions of terms starting with 'E' and 'F' related to towing and equipment.

Terms G, H

Definitions of terms starting with 'G' and 'H' related to towing and equipment.

Terms L, M

Definitions of terms starting with 'L' and 'M' related to towing and equipment.

Terms P, R

Definitions of terms starting with 'P' and 'R' related to towing and equipment.

Terms S

Definitions of terms starting with 'S' related to towing and equipment.

Terms W

Definitions of terms starting with 'W' related to towing and equipment.

Jerr-Dan MPL Specifications

General IconGeneral
BrandJerr-Dan
ModelMPL
CategoryTrucks
LanguageEnglish

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