Caterpillar TH336C/TH337C/TH406C/TH407C/TH414C/TH514C/TH417C Telescopic Handler Service Manual
S/N MJR00150 & Present, S/N THM00150 & Present,
S/N DJB00150 & Present, S/N SXJ00150 & Present,
S/N GAT00150 & Present, S/N RCH00150 & Present,
S/N MLH00150 & Present, S/N JJT00150 & Present,
S/N KEK00150 & Present, S/N RWW00150 & Present,
S/N MWC00150 & Present, S/N KKW00150 & Present,
S/N RRJ00150 & Present, S/N RRW00150 & Present
Type of machine: Telescopic Handler
Print No: 31200799 UENR6251-06, January 2018
Language and Format: English/PDF
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Models covered:
– Caterpillar TH336C Telescopic Handler
– Caterpillar TH337C Telescopic Handler
– Caterpillar TH406C Telescopic Handler
– Caterpillar TH407C Telescopic Handler
– Caterpillar TH414C Telescopic Handler
– Caterpillar TH514C Telescopic Handler
– Caterpillar TH417C Telescopic Handler
The Service Manual will give you complete information on repair, servicing and preventative maintenance, for your Caterpillar TH336C/TH337C/TH406C/TH407C/TH414C/TH514C/TH417C Telescopic Handler.
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Table of contents:
Section 1.
Safety Practices
1.1 Introduction
1.2 Disclaimer
1.3 Operation & Maintenance Manual
1.4 Do Not Operate Tags
1.5 Safety Information
1.6 Safety Alert System and Signal Words
1.7 Safety Instructions
1.8 Safety Decals
Section 2.
General Information and Specifications
2.1 Replacement Parts and Warranty Information
2.2 Torque Charts
2.3 Specifications
2.4 Fluids and Lubricant Capacities
2.5 Service and Maintenance Schedules
2.6 Lubrication Schedules
Section 3.
Boom
3.1 Boom System Component Terminology – TH336C, TH337C, TH406C & TH407C
3.2 Boom System – Two Section
3.3 Boom Assembly Maintenance
3.4 Boom System Component Terminology – TH414C
3.5 Boom System – Three Section
3.6 Boom Assembly Maintenance
3.7 Boom Chain Removal/Installation
3.8 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation
3.9 Extend/Retract Cylinder Removal/Installation
3.10 Boom Sections Adjustment
3.11 Boom System Component Terminology – TH514C
3.12 Boom System – Three Section
3.13 Boom Assembly Maintenance
3.14 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation
3.15 Tandem Extend/Retract Cylinders Removal/Installation
3.16 Boom System Component Terminology – TH417C
3.17 Boom System – Four Section Boom
3.18 Boom Assembly Maintenance
3.19 Boom Chain Removal/Installation
3.20 Boom Sections Adjustment
3.21 Boom Extend and Retract Chains – TH414C & TH417C
3.22 Boom Wear Pads
3.23 Quick Coupler
3.24 Forks
3.25 Boom Prop (If Equipped)
3.26 Emergency Boom Lowering Procedure
3.27 Boom Retract Sensor Adjustment
3.28 Troubleshooting
Section 4.
Cab and Covers
4.1 Operator Cab and Covers Component Terminology
4.2 Operator Cab
4.3 Cab Components
4.4 Cab Removal
4.5 Cab Installation
Section 5.
Axles, Drive Shafts, Wheels and Tires
5.1 Axle, Drive Shaft and Wheel Component Terminology
5.2 Axle Serial Number
5.3 Axle Specifications and Maintenance Information
5.4 Axle Replacement
5.5 Mechanical Park Brake
5.6 Hydraulic Park Brake
5.7 Brake Inspection
5.8 Steering Angle Adjustment
5.9 Axle Assembly and Drive Shaft Troubleshooting
5.10 Drive Shafts
5.11 Wheels and Tires
5.12 Towing a Disabled Machine
Section 6.
Transmission
6.1 Transmission Assembly Component Terminology
6.2 Transmission Serial Number
6.3 Specifications and Maintenance Information
6.4 Transmission Replacement
6.5 Torque Convertor Diaphragm
6.6 Troubleshooting
Section 7.
Engine
7.1 Introduction
7.2 Engine Serial Number
7.3 Specifications and Maintenance Information
7.4 Engine Cooling System
7.5 Engine Electrical System
7.6 Fuel System
7.7 Engine Exhaust System
7.8 Air Cleaner Assembly
7.9 Engine Replacement
Section 8.
Hydraulic System
8.1 Hydraulic Component Terminology
8.2 Safety Information
8.3 Specifications
8.4 Hydraulic Pressure Diagnosis
8.5 Hydraulic Circuits
8.6 Hydraulic Schematics
8.7 Hydraulic Reservoir
8.8 Engine Implement Pump
8.9 Auxiliary Pump (Platform Equipped Models Only)
8.10 Control Valves
8.11 Hydraulic Cylinders
8.12 Boom Ride Control (TH336C, TH337C, TH406C, TH407C – If Equipped)
Section 9.
Electrical System
9.1 Electrical Component Terminology
9.2 Specifications
9.3 Safety Information
9.4 Keypad and Display Screen
9.5 Software Level 2 Accessibility
9.6 Operator Tools
9.7 Fuses and Relays
9.8 Electrical System Schematics
9.9 Circuit Breakdowns
9.10 Engine Start Circuit
9.11 Window Wiper/Washer Windshield Wiper Motor
9.12 Solenoids, Sensors and Senders
9.13 Dash Switches
9.14 Platform Interlock Checks
9.15 Platform Load System Check
9.16 Load Stability Indicator (LSI) (CE & AUS)
9.17 Hand Held Analyzer
9.18 Fault Codes
9.19 Machine Fault Codes
9.20 Engine Fault Codes
About Caterpillar TH336C, TH337C, TH406C, TH407C, TH414C, TH514C, TH417C Telescopic Handler (Ver. January 2018) Documentation
This page provides technical documentation for the Caterpillar TH336C, TH337C, TH406C, TH407C, TH414C, TH514C, TH417C Telescopic Handler (Ver. January 2018) used by service technicians and maintenance professionals.
The service manual typically includes troubleshooting procedures, adjustment instructions, service mode information, internal component layouts and maintenance guidelines required for proper repair and servicing.
These documents are commonly used in professional repair environments where accurate technical reference and correct service procedures are required.