New Holland HW300, HW320, HW340, HW300, HW320, HW340 Windrower Service Manual
889 pages · Publication 86637556
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What's inside
From the manual's own table of contents: 30 sections, 245 entries. See sample pages (PDF, 623 KB)
00 000 Precautionary Statements4 topics
- Safety
- General Safety Information
- Introduction
- Specifications
10 000 Specifications58 topics
- Special Tools
- Description of Operation
- Engine Troubleshooting
- Engine Compression Test
- Diesel Engine Exhaust Smoke
- Engine Removal and Installation
- Disassembly and Overhaul
- Cylinder Head, Valves, and Related Parts
- Front Cover and Timing Gear
- Oil Pan
- Connecting Rods, Bearings, Pistons, and Rings
- Cylinder Block Overhaul
- Balancer, Main Bearings, Flywheel, and Crankshaft
- Camshaft
- HW300/320 (4-Cylinder) Fuel and Induction System
- Fuel Shutoff (Injection Pump)
- Sedimenter
- Electric Lift Pump
- Fuel Filter
- Cold Start Assist (Optional)
- Troubleshooting
- Fuel System Priming/Bleeding
- Speed Adjustments
- Throttle Linkage
- Fuel Tank
- Fuel Lines
- Fuel Injection Pump: HW300/320 DP200 Distributor Types
- General Description
- Solenoid Shutoff Valve
- Injection Pump
- Injection Pump Timing
- Injection Pump Storage
- Fuel Injectors
- Description and Operation
- HW340 (6-Cylinder) Fuel and Induction System
- Fuel Sedimenter
- Fuel Injection Pump
- Cold Start Assist
- Plumbing
- Throttle Cable
- Air Cleaner
- Turbocharger
- Disassembly and Repair
- Outer Filter Housing
- Outer Element
- Inner Element
- Center Housing and Rotating Assembly
- Air Filter
- Cooling Systems
- Rotary Screen Cleaner
- Motor and Sprocket
- Radiator
- Thermostat
- Temperature Warning Senders
- Fan Blade
- Fan Belt Tensioner
- Idler Pulley
- Water Pump
10 000 Description and Operation2 topics
- Engine Oil Consumption
- Evaluating Oil Consumption
25 000 Description of Operation9 topics
- Planetary Final Drive
- Labor Guide
- Overview
- Adjustment
- Wheel, Axle Shaft and Hub
- Axle Support Fork
- Channel
- Channel Carrier and Center Pivot Pin
- Repair Time Schedule
29 000 Specifications27 topics
- Torque Specifications
- Pumps
- High-Pressure Relief Valves
- Check Valves
- Charge Pump
- Charge Relief Valve (Pump)
- Header Lift Pump
- Motors
- Fixed Displacement Motor
- Variable Displacement Motor
- Reservoir
- Oil Flow
- Solenoid Valve Low-Range Operation
- Solenoid Valve High-Range Operation
- Hydrostatic Transmission
- Linkage
- SAUER-SUNDSTRAND - Authorized Service Centers
- Troubleshooting Charts
- Minor Repairs
- Shaft Seals (Pump)
- Shaft Seal (Motor)
- O Ring Seals
- Trunnion Seal (Control Shaft Side)
- Trunnion Cover (Plain)
- Tandem Pump
- Motor
- Start-up and Maintenance
33 000 Special Tools4 topics
- Parking Brake
- Brakes
- Removal and Replacement
- Adjusting The Brakes
35 000 Introduction17 topics
- HW300/320 Header Drive
- Header Drive Valve
- Header Drive Pump
- Header Drive Motor
- HW340 Header Drive
- Operation
- Component Description
- Start-Up Procedure
- Pressure Checks
- Temperatures
- Adjustments
- Major Repairs
- Header Lift
- Troubleshooting Header Lift System
- Hydraulic Header Tilt and Flotation Trim
- Troubleshooting Hydraulic Header Tilt and Flotation Trim
- Hydraulic Schematics
50 000 Introduction18 topics
- General Description and Operation
- Air Conditioning Process
- System Components - Description and Operation
- Compressor Pump
- Compressor Clutch
- Air Conditioning Filter
- Condenser
- Receiver/Drier
- Expansion Valve
- Evaporator
- Blower Fan
- Switches and Controls
- Refrigerant Ingredients
- Troubleshooting and Servicing
- Preliminary Troubleshooting and Testing
- Diagnosis Charts -- Air Conditioning System
- Containment of Air Conditioning Refrigerants
- A/C System Performance Test and Diagnosis Chart
55 000 Introduction19 topics
- General Troubleshooting
- General Electrical
- Definition of Terms
- Electrical System Components
- Momentary Switches
- Circuit Breakers
- Fuses
- Diodes
- Electro-hydraulic Solenoid Coils
- Solenoid Valve Operation
- Relays
- Welding on the Machine
- Wiring Harnesses and Connectors
- Wires
- Harness Connectors
- Ground Points
- Windrower Electronic System
- Configuration Menu
- System Monitoring
55 000 Windrower Electronic System Power Circuits7 topics
- Wes Power
- Unswitched Wes Power
- Switched Wes Power
- Wes Mode And Configure Select Switch Operation
- Display Select Switch (Hand) Circuit
- Display Select (FNR) Switch Circuit
- Ground Speed Circuit
55 000 Air-Conditioning Electrical Systems2 topics
- Fan (Pressurizer) Circuit
- A/C Clutch Circuit
55 000 Light Electrical Systems4 topics
- Flashing Lights and Turn Signals Circuits
- Road Lights Circuits
- Work Lights Circuits
- Console and Dome Lights Circuit
55 000 Engine Electrical Systems15 topics
- Air Filter Switch Circuit
- Fuel Level Gauge Circuit
- Coolant Temperature Circuit
- Engine Fuel Solenoid Circuit (HW340 SN 620760 and Below)
- Engine Fuel Solenoid Circuit (HW340 SN 620761 and Above, All HW320 and HW300)
- Engine Oil Pressure Sender Circuit
- Engine Starting Motor Circuit
- Fuel Lift Pump Circuit
- Cold Advance Circuit (HW320 and HW300 Only)
- Thermostart System Circuit
- Charging Electrical System
- Charging Electrical System Introduction
- Charging System Excitation Circuit
- Battery
- Alternator and Voltage Regulator
Show all 30 sections
55 000 Electrohydraulic Electrical Systems15 topics
- Hydraulic Oil Level Switch Circuit
- Hydraulic Oil Temperature Switch Circuit
- Hydraulic Charge Pressure Switch Circuit
- Seat Occupied Circuit
- Header Drive Circuit (HW340)
- Header Drive Circuit (HW320 and HW300)
- Header Reverse Circuit (HW340)
- Header Reverse Circuit (HW320 and HW300)
- Header Speed Circuit (HW340)
- Master Hydraulic Solenoid Circuit (HW340)
- Header Raise/Lower Circuit
- Header Tilt Up/ Tilt Down Circuit
- Header Flotation Trim Circuit
- Hydrostatic High-Speed Circuit (HW340 and HW320)
- Header Soft Lower Circuit
88 000 Field-Installed Options14 topics
- Header Flotation Trim Kit
- Hydraulic Header Tilt Cylinder Kit
- Radio
- Service Floodlight
- Thermostart Kit
- Instructional Seat
- Windshield Wiper Kit
- Cab Heater Kit
- Deluxe Seat (HW300)
- Air Ride Seat (HW320 and HW340)
- Cab Door
- Cab Door Handle
- Cab Floor Mat
- Safety Decals
Inside this manual
Real pages from this service manual (889 pages). Open the sample pages (PDF, 622 KB)
- Specifications, page 428: SECTION 35 - HYDRAULIC SYSTEMS - CHAPTER 1
- Diagram, page 753: SECTION 55 - ELECTRICAL - CHAPTER 6
- Troubleshooting, page 792: SECTION 55 - ELECTRICAL - CHAPTER 6
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the HW300 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 889 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).