John Deere 326D, 328D and 332D Skid Steer Loader Operation and Test Technical Manual (TM11438)

John Deere 326D, 328D, and 332D Skid Steer Loader Operation and Test Technical Manual (TM11438 11JUL13)

This technical manual provides a complete guide to diagnosing, testing, and troubleshooting John Deere 326D, 328D, and 332D Skid Steer Loaders. Covering electrical and hydraulic systems, powertrain operations, diagnostic trouble codes, and calibration procedures, this manual ensures accurate maintenance and system efficiency. Essential for operators and service technicians, it includes detailed step-by-step instructions for operational checks and machine performance optimization.

Model Covers:

• 326D, 328D and 332D Skid Steer Loader EH CONTROLS

File Format: PDF

Size: 26.92 MB

No. of pages: 708

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

Safety and Operator Guidelines

• Machine inspection and operational safety protocols
• Personal protective equipment and worksite hazard prevention
• Fire prevention and emergency shutdown procedures
• Attachment safety and proper machine handling

Diagnostic Trouble Codes (DTCs)

• Engine Control Unit (ECU) error codes and troubleshooting
• Hydraulic Control Unit (HCU) diagnostic fault detection
• Engagement and Monitor Unit (EMU) error handling
• Joystick controller diagnostics and calibration

Engine and Cooling System

• Engine power tests using turbocharger boost pressure
• Fuel system troubleshooting and component servicing
• Cooling system diagnostics and thermostat maintenance
• Diesel particulate filter and exhaust system inspections

Electrical System and Circuit Analysis

• Wiring schematics and harness component locations
• Fuse and relay diagnostics with functional diagrams
• Monitor operation and ECU communication analysis
• Battery, alternator, and starter motor troubleshooting

Powertrain and Drive System

• Drive chain operation, adjustment, and tensioning
• Hydrostatic system operation and troubleshooting
• Park brake calibration and hydraulic release testing
• Axle assembly, planetary gear maintenance, and drive motor diagnostics

Hydraulic System and Performance Tests

• Hydraulic pump operation and pressure testing
• Bucket and boom drift diagnostics
• Auxiliary hydraulic function calibration and valve servicing
• Fan speed control and hydraulic oil cooling system troubleshooting

Operator Controls and Calibration

• Joystick and foot control sensitivity adjustments
• Quik-Tatch™ attachment system troubleshooting
• Manual and electronic tracking adjustment procedures
• Cab control panel diagnostics and display troubleshooting

Heating, Ventilation, and Air Conditioning (HVAC)

• Air conditioning refrigerant servicing and leak detection
• Heater core maintenance and airflow diagnostics
• Blower motor troubleshooting and control adjustments
• Cab pressurization and ventilation system maintenance

Technical Specifications

• Machine weight, lifting capacity, and hydraulic pressure ratings
• Torque specifications for fasteners, fittings, and mechanical components
• Conversion charts for metric and SAE measurements
• Engine performance benchmarks and fuel efficiency data

For complete service information, also see:

326D, 328D, 329D, 332D, and 333D Skid Steer Loader Repair (EH Controls) .......... TM11439
326D, 328D, and 332D Skid Steer Loader Operation and Test (Manual Controls) .......... TM11430
326D, 328D, 329D, 332D, and 333D Skid Steer Loader Repair (Manual Controls) .......... TM11431
326D, 328D, and 332D Skid Steer Loader Operator's Manual .......... OMT253018
PowerTech E™ 2.4L and 3.0L Diesel Engines Component Technical Manual .......... CTM101019
120 Series Hydraulic Cylinders .......... CTM114319
Specifications Manual .......... SP458VOL2

This John Deere 326D, 328D, and 332D Skid Steer Loader Operation and Test Technical Manual is an invaluable guide for service professionals and operators, providing detailed instructions, calibration methods, and performance optimizations to keep your machine running at peak efficiency.