Service Manual - Models TH336, TH337, TH406, TH407, TH414, TH514, TH417 - S/N TDE00100 & After

Oct 23, 2026

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Service Manual covers multiple machine models including TH336, TH337, TH406, TH407, TH414, TH514, and TH417, with effectivity tied to serial numbers such as TDE00100 and later. It specifies revision dates, an effectivity page, and a structured section layout. Included sections address safety practices, general information and specifications, detailed boom system components and maintenance, and cab and covers procedures, supported by extensive page-by-page section contents.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages288

Reading Time12 h 6 min

AccessFree to download

Safety Practices

Introduction

Disclaimer

Operation & Maintenance Manual

Do Not Operate Tags

Safety Information

Safety Alert System and Signal Words

Safety Instructions

Safety Decals

General Information and Specifications

Replacement Parts and Warranty Information

Torque Charts

Specifications

Fluids and Lubricant Capacities

Service and Maintenance Schedules

Lubrication Schedules

Boom

Boom System Component Terminology-TH336, TH337, TH406 & TH407

Boom System-Two Section

Boom Assembly Maintenance

Boom System Component Terminology-TH414

Boom System-Three Section

Boom Chain Removal/Installation

Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation

Cab and Covers

Operator’s Cab and Covers Component Terminology

Operator’s Cab

Cab Components

Cab Removal

Cab Installation

Service Manual Models TH336, TH337, TH406, TH407, TH414, TH514, TH417 S/N TDE00100 & After S/N TDF00100 & After S/N TBX00100 & After S/N TBY00100 & After S/N TBZ00100 & After S/N TBW00100 & After S/N TBT00100 & After 31200370 Revised April 4, 2011 EFFECTIVITY PAGE October 24, 2008-A-Original Issue Of Manual June 17, 2009-B-Revised pages 2. 10, 2. 11, 2. 14, 3.22 thru 3.34, 3.37, 4.2, 4.9, 5.2, 5.5, 5.6, 5.7, 6.3, 7.5, 7.8, 7. 11, 8.6, 8.7, 8. 18, 9.5, 9.6, 9.10 thru 9.21, 9.29, 9.32, 9.33, 9.34, 9.35, 9.38 & 9.39. October 20, 2009-C-Revised pages 2. 12, 3.37 thru 3.46, 5.7, 5. 12, 9.34, 9.35 & 9.80 thru 9.88. January 8, 2010-D-Revised page numbers and pages 2-18 thru 2-23, 3-5, 3-13, 3-25, 3-48, 3-49, 3-56, 4-3, 4-7, 5-3, 5-4, 5-7, 5-13, 5-15, 6-3, 6-5, 7-8, 8-3, 8-16, 8-21 & 9-4. January 26, 2011-E-Revised pages 1-3, 2-17, 2-22, 9-10 thru 9-30, 9-43 thru 9-49, 9-54, 9-55, 9-57 thru 9-103. January 28, 2011-F-Revised pages 4-6, 9-45 & 9-47. April 4, 2011-G-Revised pages 2-3 thru 2-9 & 9-45 thru 9-54, 9-56 & 9-57. 31200370 TH336, TH337, TH406, TH407, TH414, TH514, TH417 i EFFECTIVITY PAGE ii TH336, TH337, TH406, TH407, TH414, TH514, TH417 31200370 SECTION CONTENTS | Section | Subject | Page | | --- | --- | --- | | | | | Section 1 Safety Practices ....................................................... 1-1 1.1 Introduction .......................................................... 1-2 1.2 Disclaimer ........................................................... 1-2 1.3 Operation & Maintenance Manual ......................................... 1-2 1.4 Do Not Operate Tags ................................................... 1-2 1.5 Safety Information ..................................................... 1-2 1.6 Safety Alert System and Signal Words ..................................... 1-2 1.7 Safety Instructions ..................................................... 1-3 1.8 Safety Decals ......................................................... 1-4 Section 2 General Information and Specifications .................................... 2-1 2.1 Replacement Parts and Warranty Information ................................ 2-2 2.2 Torque Charts ........................................................ 2-3 2.3 Specifications ......................................................... 2-10 2.4 Fluids and Lubricant Capacities ........................................... 2-13 2.5 Service and Maintenance Schedules ....................................... 2-15 2.6 Lubrication Schedules .................................................. 2-19 Section 3 Boom ........................................................... 3-1 3.1 Boom System Component Terminology-TH336, TH337, TH406 & TH407 ......... 3-4 3.2 Boom System-Two Section ............................................. 3-5 3.3 Boom Assembly Maintenance ............................................ 3-5 3.4 Boom System Component Terminology-TH414 .............................. 3-11 3.5 Boom System-Three Section ............................................ 3-12 3.6 Boom Assembly Maintenance ............................................ 3-12 3.7 Boom Chain Removal/Installation ......................................... 3-18 3.8 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation ............... 3-20 3.9 Extend/Retract Cylinder Removal/Installation ................................ 3-21 3.10 Boom Sections Adjustment .............................................. 3-22 3.11 Boom System Component Terminology-TH514 .............................. 3-23 3.12 Boom System-Three Section ............................................ 3-24 3.13 Boom Assembly Maintenance ............................................ 3-24 3.14 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation ............... 3-31 3.15 Tandem Extend/Retract Cylinders Removal/Installation ...................

FAQs

Which machine models are covered by the service manual?

The manual covers models TH336, TH337, TH406, TH407, TH414, TH514, and TH417.

How is applicability of the manual defined?

Applicability is defined by effectivity based on serial number ranges, such as S/N TDE00100 and after, and similar ranges for other serial prefixes.

What topics are included under the safety section?

The safety section includes an introduction, disclaimer, operation and maintenance manual guidance, do-not-operate tags, safety information, signal words, safety instructions, and safety decals.

Oct 23, 2026

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