Worldwide Construction And Forestry Division 444K User manual

444K
Loader
Repair
TECHNICAL MANUAL
444K Loader Repair
TM10685 24MAR09 (ENGLISH)
For complete service information also see:
444K Loader Test Manual .............. TM10684
444K Loader Operator’s Manual .........OMT227993
PowerTech4.5 L and 6.8 L Diesel
Engines—Base Engine ................. CTM104
PowerTech E4.5 & 6.8L Diesel
Engines—Level 16 Electronic Fuel System
with Denso HPCR ..................... CTM502
120 Series Hydraulic Cylinders .......... TM-H120A
125 Series Hydraulic Cylinders .......... TM-H125A
Super Caddy Oil Cleanup Procedure ...... CTM310
JDLink/ ZXLinkMachine Monitoring
System .............................. CTM10006
Specifications Manual .................. SP458
Worldwide Construction
And Forestry Division
LITHO IN U.S.A.

Introduction
DX,TMIFC –19–29SEP98–1/1
Foreword
This manual is written for an experienced technician.
Essential tools required in performing certain service
work are identified in this manual and are
recommended for use.
Live with safety: Read the safety messages in the
introduction of this manual and the cautions presented
throughout the text of the manual.
This is the safety-alert symbol. When you see this
symbol on the machine or in this manual, be alert to
the potential for personal injury.
Technical manuals are divided in two parts: repair and
operation and tests. Repair sections tell how to repair
the components. Operation and tests sections help you
identify the majority of routine failures quickly.
Information is organized in groups for the various
components requiring service instruction. At the
beginning of each group are summary listings of all
applicable essential tools, service equipment and tools,
other materials needed to do the job, service parts kits,
specifications, wear tolerances, and torque values.
Technical Manuals are concise guides for specific
machines. They are on-the-job guides containing only
the vital information needed for diagnosis, analysis,
testing, and repair.
Fundamental service information is available from
other sources covering basic theory of operation,
fundamentals of troubleshooting, general maintenance,
and basic type of failures and their causes.
TM10685 (24MAR09) 444K Loader
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Introduction
TX,II,FAX –19–10JUL01–1/1
Technical Information Feedback Form
We need your help to continually improve our technical
publications. Please copy this page and FAX or mail your
comments, ideas and improvements.
SEND TO: John Deere Dubuque Works
P.O. Box 538
Attn: Publications Supervisor, Dept. 303
Dubuque, IA 52004-0538
FAX NUMBER: 563-589-5800
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THANK YOU!
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Introduction
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Contents
00
SECTION 17—Frame or Supporting Structure
SECTION 00—General Information
Group 1740—Frame Installation
Group 0001—Safety Information
Group 1746—Frame Bottom Guards
Group 1749—Chassis Weights
SECTION 01—Wheels
Group 0110—Powered Wheels and Fasteners
01
SECTION 18—Operator’s Station
Group 1800—Removal and Installation
SECTION 02—Axles and Suspension Systems Group 1810—Operator Enclosure
Group 0200—Removal and Installation Group 1821—Seat and Seat Belt
Group 0225—Axle Shafts and U-Joints Group 1830—Heating and Air Conditioning
Group 0250—Axle Shaft, Bearings, Reduction
Gears SECTION 19—Sheet Metal and Styling
Group 0260—Hydraulic System Group 1910—Hood or Engine Enclosure
SECTION 31—Loader
SECTION 03—Transmission
Group 3102—Bucket
Group 0300—Removal and Installation
02
Group 3140—Frames
Group 0350—Gears, Shafts, Bearings and Power Group 3160—Hydraulic System
Shift Clutch
Group 0360—Hydraulic System SECTION 99—Dealer Fabricated Tools
Group 9900—Dealer Fabricated Tools
SECTION 04—Engine
Group 0400—Removal and Installation
SECTION 05—Engine Auxiliary Systems
Group 0505—Cold Weather Starting Aids
Group 0510—Cooling System
03
Group 0520—Intake System
Group 0530—External Exhaust System
Group 0560—External Fuel Supply Systems
SECTION 07—Dampener Drive
Group 0752—Elements
SECTION 09—Steering System
Group 0960—Hydraulic System
04
SECTION 10—Service Brakes
Group 1011—Active Elements
Group 1060—Hydraulic System
SECTION 11—Park Brake
Group 1111—Active Elements
Group 1160—Hydraulic System
All information, illustrations and specifications in this manual are based on
the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
05
COPYRIGHT

2009
DEERE & COMPANY
Moline, Illinois
All rights reserved
A John Deere ILLUSTRUCTION

Manual
Previous Editions
Copyright

2008
07
09
10
11
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Contents
00
01
02
03
04
05
07
09
10
11
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Contents
17
18
19
31
99
INDX
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Contents
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18
19
31
99
INDX
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00
Section 00
General Information
Contents
Page
Group 0001—Safety Information
Recognize Safety Information ............00-0001-1
Follow Safety Instructions ...............00-0001-1
Operate Only If Qualified................00-0001-2
Wear Protective Equipment..............00-0001-2
Avoid Unauthorized Machine
Modifications .......................00-0001-2
Add Cab Guarding For Special Uses ......00-0001-3
Inspect Machine ......................00-0001-3
Stay Clear of Moving Parts ..............00-0001-3
Avoid High-Pressure Fluids ..............00-0001-4
Avoid High-Pressure Oils ...............00-0001-4
Beware of Exhaust Fumes ..............00-0001-5
Prevent Fires.........................00-0001-5
Clean Trash from Machine ..............00-0001-6
Prevent Battery Explosions ..............00-0001-6
Handle Chemical Products Safely .........00-0001-6
Dispose of Waste Properly ..............00-0001-7
Prepare for Emergencies................00-0001-7
Use Steps and Handholds Correctly .......00-0001-7
Start Only From Operator’s Seat ..........00-0001-8
Use and Maintain Seat Belt..............00-0001-8
Prevent Unintended Machine Movement ....00-0001-9
Avoid Work Site Hazards ..............00-0001-10
Use Special Care When Operating
Loader ...........................00-0001-11
Keep Riders Off Machine ..............00-0001-11
Avoid Backover Accidents ..............00-0001-12
Avoid Machine Tip Over ...............00-0001-13
Operating on Slopes ..................00-0001-13
Operating or Traveling On Public Roads . . .00-0001-14
Inspect and Maintain ROPS ............00-0001-14
Add and Operate Attachments Safely .....00-0001-14
Park And Prepare For Service Safely .....00-0001-15
Service Cooling System Safely ..........00-0001-15
Service Tires Safely ..................00-0001-16
Remove Paint Before Welding or
Heating ..........................00-0001-17
Make Welding Repairs Safely ...........00-0001-18
Drive Metal Pins Safely ................00-0001-18
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Contents
00
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