Product Name:
        
        
            Instruktionsbok Volvo BM 620 & 640
        
     
    
        
            Product Description Summary:
        
        
            Swedish instruction manual for Volvo BM 620 & 640 tractors, covering operation, maintenance, and key service works. 94 pages, scanned at 300 dpi, in PDF format.
        
     
 
    
    
    
        
            Product Segment:
        
        
            Agricultural Tractors, utility tractors.
        
     
    
    
        
            Manual Purpose:
        
        
            To provide operators and owners with the necessary information to safely and efficiently operate, maintain, and perform basic service on their Volvo BM 620 and 640 tractors.
        
     
    
        
            Manual Scope:
        
        
            Comprehensive guidance for owner-level service and maintenance, enabling users to keep their tractor in good working order.
        
     
    
    
        
            Competitors:
        
        
            During its production era, competitors included brands like Massey Ferguson, John Deere, Ford, Fiat, and other European tractor manufacturers.
        
     
 
    
    
    
        
             Powertrain:
        
        
            Engine, transmission, drivetrain, hydraulics.
        
     
    
        
            Chassis And Controls:
        
        
            Steering, braking system, clutch, PTO, lifting hydraulics, operator controls, instrumentation.
        
     
    
        
            Electrical:
        
        
            Basic electrical system overview, lighting, battery maintenance.
        
     
    
        
            Operator Controls:
        
        
            Identification and function of all levers, pedals, switches, and controls in the operator station.
        
     
    
        
            Instrumentation:
        
        
            Description of all gauges, indicators, and warning lights.
        
     
    
    
        
            Routine Maintenance:
        
        
            Daily checks, lubrication points, fluid level checks, filter replacement, greasing intervals.
        
     
    
        
            Service Operations:
        
        
            Engine oil and filter changes, coolant checks, transmission fluid changes, hydraulic fluid checks, air cleaner servicing, spark plug replacement (if applicable), battery servicing.
        
     
    
        
            Troubleshooting Guidance:
        
        
            Basic troubleshooting advice for common operational issues.
        
     
    
        
            Lubrication Schedule:
        
        
            Detailed points and recommended lubricant types and frequencies.
        
     
    
        
            Fluid Capacities:
        
        
            Engine oil, coolant, transmission oil, hydraulic oil, fuel tank capacity.
        
     
    
        
            Tire Pressure:
        
        
            Recommended tire pressures for front and rear wheels.
        
     
    
        
            Safety Precautions:
        
        
            General safety guidelines for operating and servicing the tractor.
        
     
    
        
            Winter Operation:
        
        
            Instructions or advice on preparing the tractor for winter conditions, if applicable.
        
     
    
    
        
            Depth:
        
        
            Covers essential operator-level maintenance and routine service procedures specific to these tractor models. Does not include detailed repair diagnostics or complete overhaul instructions typically found in a workshop manual.
        
     
    
        
            Focus:
        
        
            Operator and basic maintenance level; aimed at ensuring correct operation and upkeep to prolong the life of the tractor.
        
     
 
    
    
    
        
            File Type:
        
        
            Portable Document Format (PDF)
        
     
    
        
            Searchability:
        
        
            Likely text-searchable if the OCR quality is good, otherwise image-based PDF.
        
     
    
    
        
            Scan Resolution:
        
        
            300 dots per inch (dpi)
        
     
    
        
            Clarity:
        
        
            Clear and sharp scan quality.
        
     
    
        
            Readability:
        
        
            High readability due to the 300 dpi scan resolution, suitable for digital viewing and potential printing of specific pages.
        
     
    
    
        
            Binding:
        
        
            N/A (Digital PDF)
        
     
    
    
        
            Paper Quality:
        
        
            N/A (Digital PDF)
        
     
 
    
    
    
        
            Engine Family:
        
        
            Volvo Diesel (Specific engine model typically identified by engine number or designation within the manual).
        
     
    
    
        
            Displacement Range:
        
        
            Typically in the 3.0-4.0 liter range for tractors of this era, though precise figures depend on specific engine variant.
        
     
    
        
            Horsepower Range:
        
        
            Varies by specific model (620 and 640), generally in the 40-70 HP range.
        
     
    
    
    
        
            Injection Type:
        
        
            Indirect injection or direct injection, depending on engine variant.
        
     
    
    
        
            Engine Model 620:
        
        
            Specific engine model for the 620 varies, but common for this size would be a 3-cylinder diesel.
        
     
    
        
            Engine Model 640:
        
        
            Specific engine model for the 640 varies, but common for this size would be a 4-cylinder diesel, offering slightly more power than the 620.
        
     
 
    
    
    
        
            Gearbox Type:
        
        
            Manual transmission, likely with multiple forward and reverse gears (e.g., 8-speed or 12-speed gearbox).
        
     
    
        
            Drive Type:
        
        
            2WD (Two-Wheel Drive) is standard, with 4WD (Four-Wheel Drive) potentially being an optional configuration.
        
     
    
    
        
            Clutch Type:
        
        
            Dry single-plate clutch or dual-clutch.
        
     
    
        
            Pto Options:
        
        
            Standard rear Power Take-Off (PTO) with selectable speeds (e.g., 540/1000 RPM).
        
     
 
    
    
    
        
            Rollover Protection:
        
        
            ROPS (Roll-Over Protective Structure) might be optional or standard depending on market and production year. The manual would detail its use and maintenance if present.
        
     
    
        
            Seatbelts:
        
        
            Seatbelt information if equipped.
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes or drum brakes, typically operating on the rear wheels and sometimes front wheels if 4WD.
        
     
 
    
    
    
        
            Features:
        
        
            Basic operator controls, analog instrumentation (tachometer, oil pressure gauge, temperature gauge, fuel gauge), warning lights. No modern infotainment systems.
        
     
    
    
        
            Features:
        
        
            No electronic driver assistance features typical of modern vehicles. Focus on mechanical controls and operator skill.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 250-500 operating hours, or annually.
        
     
    
        
            Air Filter Service:
        
        
            As needed, based on operating conditions (dusty environments require more frequent checks).
        
     
    
        
            Greasing Points:
        
        
            Daily or weekly, depending on the point and operating intensity.
        
     
    
    
        
            Engine Oil Type:
        
        
            API CD or CE equivalent, SAE 15W-30 or 10W-30 (depending on ambient temperature). Specific Volvo approval numbers may be listed.
        
     
    
        
            Hydraulic Fluid Type:
        
        
            Volvo approved hydraulic oil or equivalent, e.g., ISO VG 46.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze mixed with water (50/50 ratio). Specific Volvo coolant may be recommended.
        
     
    
        
            Transmission Fluid Type:
        
        
            API GL-4, SAE 80W-90 gear oil for the main transmission; hydraulic fluid (as above) for the hydraulic system and possibly shared with the transmission or final drives.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch components, hydraulic seals, PTO components, exhaust system, electrical connections, starter motor, alternator.
        
     
    
        
            Typical Challenges:
        
        
            Age-related wear, corrosion, potential for hydraulic leaks, starter issues, alternator failure.
        
     
    
        
            Engine Reliability:
        
        
            Volvo engines of this era are generally robust but require adherence to maintenance schedules for optimal longevity.
        
     
 
    
    
    
        
            Manufacturer Focus:
        
        
            Volvo BM was a significant Swedish manufacturer of construction equipment and tractors, known for robust and reliable machinery.
        
     
    
    
        
            Era Of Production:
        
        
            Likely produced in the 1970s and 1980s, part of Volvo BM's lineup of versatile agricultural tractors.
        
     
    
        
            Tractor Series:
        
        
            Part of Volvo BM's 'General Purpose' tractor series, designed for a wide range of farm tasks.
        
     
    
    
        
            Manufacturing Location:
        
        
            Sweden