John Deere 640L, 648L, 748L REPAIR MANUAL
TM13136X19 – JOHN DEERE 640L, 648L, 748L (SN.C666893—690813; D679126—690813) SKIDDER REPAIR MANUAL
- Park the tractor on a level surface and engage the parking brake.
- Remove the wheel/tire assembly on the side you wish to service.
- Locate the brake components, which may include the brake drum or disc, brake pads, brake caliper, and brake lines.
- Inspect the brake components for wear or damage. If any parts are worn or damaged, replace them with new ones.
- Remove the brake pads from the brake caliper. If the brake pads are worn, replace them with new ones. If the brake caliper is damaged or worn, replace it with a new one.
- Use a brake cleaning solution to clean the brake rotor or drum and the caliper components.
- Reinstall the brake pads and caliper, and torque the bolts to the manufacturer’s specifications.
- Replace the wheel/tire assembly, and torque the lug nuts to the manufacturer’s specifications.
- Repeat the process for the other side of the tractor.
Illustrated Factory Service Repair Technical Manual for John Deere Skidders Models 640L, 648L and 748L
This manual contains high quality images, instructions to help you to troubleshoot, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
This is repair only manual, Diagnostic Manual with electrical wiring diagrams are sold separate.
Language: English
Covered models:
640L (SN. C666893—690813; D679126—690813)
648L (SN. C666893—690813; D679126—690813)
748L (SN. C666893—690813)
John Deere 640L, 648L, 748L REPAIR MANUAL
Contents:
Foreword
Manual Identification-READ THIS FIRST!
General Information
Safety
Torque Values
Wheels
Powered Wheels and Fastenings
Axles and Suspension Systems
Removal and Installation
Input Drive Shafts and U-Joints
Hydraulic System
Transmission
Removal and Installation
Controls
Input Drive Shafts and U-Joints
Engine
Removal and Installation
Engine Auxiliary System
Cold Weather Starting Aids
Cooling Systems
Intake System
Exhaust Systems
External Fuel Supply Systems
Damper Drive
Elements
Steering System
Secondary Steering
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Removal and Installation
Hydraulic System
Electrical System
Removal and Installation
Frame, Chassis, or Supporting Structures
Frame Installation
Frame Bottom Guards
Operator’s Station
Removal and Installation
Operator Enclosure
Pedal Assembly
Seat and Seat Belt
Heating and Air Conditioning
Sheet Metal and Styling
Hood or Engine Enclosure
Safety and Convenience
Pressurized Water System
Main Hydraulic System
Hydraulic System
Winch
Removal and Installation
Control Valve
Input Drive Shafts and U-Joints
Drive and Clutches
Stacking Blades
Blades
Hydraulic System
Arch or Boom
Frames
Grapple
Grapple Mechanism
Frames
Hydraulic System
Dealer Fabricated Tools
John Deere JOHN DEERE 640L, 648L, 748L REPAIR MANUAL