Bamford S4 Forage Harvester Working Instructions & Spare Parts List

Download the Bamford S4 Forage Harvester Working Instructions & Spare Parts List in PDF format. This comprehensive manual combines operating and maintenance instructions with an illustrated spare parts catalogue for the Bamford S4 Forage Harvester.

The document is an 80-page PDF and is identified as List No. TR 603, January 1973, published by Bamfords Limited of Uttoxeter, Staffordshire, England. Bamford S4 forage harvester wor…

Unlike a parts-only catalogue, this manual provides detailed information on preparing, operating, adjusting and maintaining the forage harvester, followed by extensive spare parts listings and diagrams. The manual itself states that its working instructions cover preparation before use, operation and maintenance. Bamford S4 forage harvester wor…

What's covered:

• Machine specifications and dimensions
• Lubrication instructions and lubrication points
• Attaching the forage harvester to the tractor
• Running-in procedure
• Rotor operating speed
• Drawbar and jack stand
• Operating controls
• Gearbox operation
• Shear bolts
• Trailer hitch
• Pick-up lift controls
• Manual and hydraulic pick-up lift
• Length of cut adjustment
• Knife setting and sharpening
• Shear bar setting
• Pick-up reel and tine replacement
• Drive belt and chain adjustment
• Feed roller tension
• Clutch and gearbox adjustments
• Safety precautions
• Storage and beginning-of-season maintenance
• Maize head assembly, operation and adjustments
• Conveyor chain adjustment and timing
• Troubleshooting chart
• Illustrated spare parts diagrams and component listings
• Original part numbers

The manual includes useful original specifications for the S4. It specifies a 25-inch (63.5 cm) cutting rotor, 17-inch (43.1 cm) knives, six knives as standard with nine optional, a tractor PTO speed of 540–600 rpm, and a stated tractor power requirement of approximately 45–100 hp, depending on crop, cut length, conditions and equipment. Bamford S4 forage harvester wor…

Detailed instructions are provided for setting different theoretical lengths of cut using combinations of 12, 15, 18 and 24-tooth sprockets and three, six or nine knives. The manual also explains correct knife installation and adjustment. Bamford S4 forage harvester wor…

Maintenance information includes procedures for knife sharpening and shear bar adjustment, with the manual specifying a knife-to-shear-bar clearance of approximately 0.015–0.020 inches (0.38–0.5 mm). Bamford S4 forage harvester wor…

A troubleshooting chart helps diagnose problems including ragged cutting, insufficient blowing performance, excessive power requirements, feed roller clutch slipping, excessive shear bolt breakage and knife-grinding vibration. Bamford S4 forage harvester wor…

The spare parts section covers major assemblies including:

• Main frame
• Roller assembly
• Rotor unit
• Gearbox and cross shaft
• Drawbar and control unit
• Road wheel assembly
• Chute assembly
• Guards and tool box
• Universal drive shaft
• Pick-up assembly
• Hydraulic trailer pick-up hitch
• Extension chute
• Hydraulic pick-up lift controls
• Maize head main frame
• Maize head gear and cross shaft
• Bottom and top conveyor chains
• Rotating knife assembly
• Belt and drive pulley
• Divider and rear frame assemblies
• Tools, sundry items and transfers

These sections include illustrated component identification and original Bamford part numbers. Bamford S4 forage harvester wor…

The PDF also contains important information concerning the S4 MK2. It states that extensive modifications were introduced from serial number 79780997, with machines from that number being known as the S4 MK2. Changes described include the rotor and freewheel, hood and rotor mounting frame, gearbox and cross shaft, together with other modified components. Bamford S4 forage harvester wor…

This makes the manual particularly useful for owners who need both Bamford S4 operating instructions and a Bamford S4 spare parts catalogue, as well as those identifying components or checking differences associated with later S4 MK2 machines.

Please note: This product is a downloadable PDF manual. It is not the physical forage harvester or any replacement parts.