Replacing the Implement Pump on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {3203, 5070, 5073} Caterpillar

Compact Track Loader

279D (S/N: WEF1-25; GTL1-325; PPT1-270; RCX1-499)

289D (S/N: WCT1-289; TAW1-3174; A9Z1-549)

299D (S/N: GTC1-2309)

Multi Terrain Loader

277D (S/N: NTL1-322; FMT1-597; MLT1-162)

287D (S/N: STK1-181; TLK1-240; HMT1-644)

297D (S/N: BE71-314)

Skid Steer Loader

246D (S/N: BYF1-1775; JSL1-244; HMR1-1293)

262D (S/N: DTB1-3209; KTS1-397; LST1-492)

272D (S/N: B5W1-1256)

Introduction

This Special Instruction outlines the necessary parts and steps to replace the implement pump with the new implement pump.

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.

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.

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General Information

Visual Service Procedure Colors

Note: Based on SAE J2892 Surface Vehicle Recommended Practice.

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.

Attach - To connect together or to fasten on something.

Cut - To divide or terminate. To reduce the length of an object.

Discard - To cast aside as useless or undesirable in an approved and responsible manner.

Remove - To take off.

Replace - To put back in place.

Separate - To move or be apart.

Pump Replacement for 246D, 262D, 277D, 279D, 287D, and 289D

Required Parts

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Removal Procedure

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Installation Procedure

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Pump Replacement for 272D, 297D, and 299D

Required Parts

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Removal

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Installation Procedure

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Reference Section

, UENR3731, System Pressure-Release & Piston Pump Remove and Install - Standard Flow

, UENR6555, System Pressure-Release & Piston Pump Remove and Install - Standard Flow