Driveline Guarding Kit Installation for Certain 279D and 289D Compact Track Loaders {4151} Caterpillar

Compact Track Loader

279D (S/N: TP51-UP; WEF1-UP; GTL1-UP; PPT1-UP; RCX1-UP)

289D (S/N: WE51-UP; WCT1-UP; TAW1-UP; A9Z1-UP)

Introduction

Table 1

Revision History
Revision	Summary of Changes
03	Changes were made to serial numbers.

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information. This Special Instruction covers the installation of the 526-6616 Driveline Kit - Guarding.

Caterpillar Channel 1 Videos

For supplemental information on this procedure, refer to the following video. The previous training has been replaced with the video below.

Note: A CWS login is required to access Caterpillar Channel 1. Scan the QR code below with a QR enabled device or copy the link that follows.

Illustration 1	g06306276

https://channel1.mediaspace.kaltura.com/media/Introduction+to+Visualization+Service+Procedures+%28VSP%29/1_92vjr92v

Reference Section

Operation and Maintenance Manual, SEBU9084, Battery Disconnect Switch

Disassembly and Assembly, UENR3730, Track - Remove and Install

Disassembly and Assembly, UENR3730, Undercarriage - Remove and Install

Torque Specifications, SENR3130

Safety Section

Improper operation, lubrication, maintenance, or repair of this product can be dangerous and could result in injury or death.

The information, specifications, and illustrations in this publication are based on information that was available at the time that the publication was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job. Cat dealers have the most current information available.

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.

Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.

Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. If the tools, the procedure, the work method, or your actions are not recommended by Caterpillar, ensure that the tools and your actions are safe for you and for others.

Ensure that all personnel are safe when using a tool, procedure, work method, or operating technique not recommended by Caterpillar. Ensure that the product will not be damaged or the product made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.

Show/hide table

Before service work is begun, park the machine on a hard level surface. Block the wheels of the machine so unexpected movement will not occur. Unexpected movement of the machine can cause personal injury or death.

Show/hide table

Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine.

Show/hide table

Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Cat dealer for replacement manuals. Proper care is your responsibility.

Graphic Color Description

Color-coding of targeted components, or sections of a part, is used to communicate a required action.

The descriptions below illustrate the different colors and what is represented when used in a graphic.

(Blue) The primary component of focus for a particular step. Target or primary component to be installed or removed. Installation implied unless otherwise noted with a symbol.

(CAT® Yellow) Description of parts.

(Yellow) Components placed aside for access, but not removed. Highlighted areas of adjustment, inspection, or special attention.

(Cyan) Special tools or other equipment required for use in a particular step.

(Light Gray) Components used for reference.

(Magenta) Any fastener, retainer, or electrical connector used to install or remove the primary component.

Graphic Symbol Description

This section includes all the symbol graphics used throughout the Visual Service Procedure (VSP), along with a brief description of what the symbol represents.

Align - To arrange or to place objects along a line.

Attach - To connect together or to fasten on something.

Discard, Do Not Reuse - To cast aside as useless or undesirable in approved and responsible manner.

Drill - To pierce to make a hole with a drill.

Finger Tighten - To apply tension or torque with one's digits unaided by a tool or lever.

Insert - To put in or between.

Keep or Store - To retain for reinstallation or reuse.

Level - To position a surface in a horizontal orientation. To position in vertical dimension. To align to assist positioning a surface in a horizontal orientation.

Lower - To drop to a reduced energy position. To reduce the level of material in a container. To cause to descend.

Mark - To make a visible trace or impression on something.

Measure - To determine the dimension, area, volume, or other quantifiable property of an object. A desired quantity of something.

Open - To unseal or get access to.

Operation and Maintenance Manual

Position - To locate to the desired or intended location.

Remove - To take off.

Repeat - To perform once more. Iterate to do, make, or perform again.

Rotate - Counter Clockwise - To turn on an axis. To alternate position or orientation, for the purpose of achieving even wear.

Service Indicator - Refer to a Technical Manual, Warning, Caution, or Notice

Tapping - To cut and form the threads for the female portion of a mating pair.

Tighten - To make nearer, to fully stretch, without slack, or to apply tension or torque.

Required Parts

Illustration 2	g06267339

Table 2

Parts List for 526-6616 Driveline Kit - Guarding
Item	Qty	Part	Illustration (Sub-Step) Location
1	1	438-8880 Cover	27
2	1	438-8881 Cover	10 (1-3), 12 (1-3)
3	1	526-6612 Cover As	9 (1), 13 (1-4), 15 (1), 16 (1-4), 18 (1-3), 22 (1), 23 (1-2)
4	1	526-6613 Cover As	9 (1), 13 (1-2), 15 (1), 16 (1-3), 20 (1), 24 (1)
5	1	526-6614 Cover As	27
6	1	526-6615 Cover As	27
7	4	054-6233 Spacer	22 (3), 27
8	26	7X-7729 Washer	9(1), 12 (3), 15 (2), 18 (1-3),20 (1), 22 (2-3), 23 (1-2), 24 (2), 27
9	22	8T-4136 Bolt	9 (1), 12 (3), 15 (2), 18 (1-3), 20 (1), 22 (2-3), 23(1-2), 24 (2), 27
10	4	8T-4185 Bolt	22 (3), 27

Machine Preparation

Illustration 3	g06267492

Illustration 4	g06267493

Illustration 5	g06267495
Operation and Maintenance Manual, SEBU9084, Battery Disconnect Switch

Installation Procedure

Illustration 6	g06267497
Disassembly and Assembly, UENR3730, Track - Remove and Install

Illustration 7	g06267520
Disassembly and Assembly, UENR3730, Undercarriage - Remove and Install

Illustration 8	g06267530

Illustration 9	g06268509

Illustration 10	g06268275
After locating and inserting the 438-8881 Cover as shown in Illustration 10, slide the cover to the rear of the machine before marking drill holes.

Illustration 11	g06268277

Illustration 12	g06272354

Illustration 13	g06268282

Illustration 14	g06268284

Illustration 15	g06268285

Illustration 16	g06268293

Illustration 17	g06268295

Illustration 18	g06270426

Illustration 19	g06272359

Illustration 20	g06268297

Illustration 21	g06270469
Install hydraulic hoses to drive motor before proceeding to Step 17

Illustration 22	g06268303
Certain undercarriages may not require the installation of spacers

Illustration 23	g06272366
Drive motor hydraulic hoses omitted for clarity

Illustration 24	g06268310

Illustration 25	g06268299
Disassembly and Assembly, UENR3730, Undercarriage - Remove and Install

Illustration 26	g06268312
Disassembly and Assembly, UENR3730, Track - Remove and Install

Illustration 27	g06268873