Technical Workshop Guide: John Deere 640d 648d Grapple Skidder Repair Manual Download
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the John Deere series provides OEM specifications, torque settings, and assembly instructions.
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What's inside this John Deere manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
John Deere 640d 648d Grapple Skidder Repair Manual Download
This manual contains high-quality images, diagrams, instructions to help you to operate, maintenance, Remove, troubleshooting, and repair your Skidder.
Language: English
Format: PDF,969 pages
File size: 122 MB
Compatible with: All Windows Systems
+ Mac Systems, Tablet PCs & Mobile Devices
Delivery: Download link will appear on the checkout page after payment is complete.
Sections Include:
SECTION I – GENERAL INFORMATION
I – Safety Information
II – General Specifications
III – Torque Values
IV – Fuels and Lubricants
V – Inspection Procedure
SECTION 01 – WHEELS
Head bolts are torques to yard so you MUST use new bolts.
Tighten cylinder head retaining bolts in numerical sequence in three steps as follows:
20 Nm (15 lb (ca. 7 kg)-ft).
40 Nm (30 lb (ca. 14 kg)-ft).
50 Nm (37 lb (ca. 17 kg)-ft)
Transmission John Deere 640d 648d Grapple Skidder
Loosen retaining bolts one at a time two to three revolutions and retighten as follows:
Long bolts:
Tighten to 40-50 Nm (30-37 lb-ft).
Rotate an additional 175–185 degrees.
Go to next bolt in sequence.
Short Bolts:
Tighten to 20-30 Nm (15-22 lb-ft).
Rotate an additional 175–185 degrees.
Go to next bolt in sequence.
Here is a pic of the sequence
0110 – Powered Wheels and Fastenings.
SECTION 02 – AXLES AND SUSPENSION SYSTEM
0200 – Removal and Installation
0210 – Differential or Bevel Drive
0225 – Input Drive Shafts and U-Joints
0250 – Axle Shafts, Bearings, and Reduction Gears
0260 – Hydraulic System
SECTION 03 – TRANSMISSION
0300 – Removal and Installation
0315 – Controls Linkage
0350 – Gears, Shafts, Bearings, and Power Shift Clutch
0360 – Hydraulic System
SECTION 04 – ENGINE
0400 – Removal and Installation
SECTION 05 – ENGINE AUXILIARY SYSTEMS
0505 – Cold Weather Starting Aids
0510 – Cooling Systems
0515 – Speed Controls
0520 – Intake System
0530 – External Exhaust System
0560 – External Fuel Supply Systems
SECTION 07 – CLUTCH
0715 – Controls Linkage
0752 – Elements
John Deere 640d 648d Clutch
SECTION 09 – STEERING SYSTEM
0930 – Secondary Steering
0960 – Hydraulic System
SECTION 10 – SERVICE BRAKES
1011 – Active Elements
1060 – Hydraulic System
SECTION 11 – PARK BRAKE
1111 – Active Elements
1115 – Controls Linkage
1160 – Hydraulic System
SECTION 16 – ELECTRICAL SYSTEM
1671 – Batteries, Support, and Cables
1672 – Alternator, Regulator and Charging System Wiring
1673 – Lighting System
1674 – Wiring Harness and Switches
1676 – Instruments and Indicators
SECTION 17 – FRAME OR SUPPORTING STRUCTURE
1740 – Frame Installation
1746 – Frame Bottom Guards
SECTION 18 – OPERATORS STATION
1800 – Removal and Installation
1810 – Operator Enclosure
1821 – Seat and Seat Belt
1830 – Heating and Air Conditioning
SECTION 20 – SAFETY, CONVENIENCE AND MISCELLANEOUS
2004 – Horn and Warning Devices
SECTION 21 – MAIN HYDRAULIC SYSTEM
2160 – Hydraulic System
SECTION 30 – WINCH
3000 – Removal and Installation
3015 – Controls Linkage
3050 – Drive and Clutch
3060 – Hydraulic System
SECTION 32 – BULLDOZERS (STACKING AND TRAILBUILDING BLADES)
3201 – Blades
3215 – Controls Linkage
3260 – Hydraulic System
SECTION 37 – ARCH OR BOOM
3740 – Frames
SECTION 38 – GRAPPLE
3803 – Grapple Mechanism
3815 – Controls Linkage
3840 – Frames
3860 – Hydraulic System
SECTION 40 – WINCH DRIVE
4025 – Input Drive Shaft
SECTION 99 – DEALER FABRICATED TOOLS
9900 – Dealer Fabricated Tools
John Deere 640d 648d Grapple Skidder Repair Manual Download