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Model List:
- 621G Tier 4B (Final) Wheel Loader
- 721G Tier 4B (Final) Wheel Loader
- 1. GENERAL INFORMATION
- 1.1. Note to the owner
- 1.2. Intended use
- 1.3. ElectroMagnetic Compatibility (EMC)
- 1.4. Metric and imperial units abbreviations
- 1.5. Product identification
- 1.6. Operators manual storage on the machine
- 1.7. Machine orientation
- 1.8. Identification of machine components
- 2. SAFETY INFORMATION
- 2.1. Safety rules and signal word definitions
- 2.2. Personal safety
- 2.3. Safety rules
- 2.4. Seat belts
- 2.5. Support strut and service link
- 2.6. Utility safety
- 2.7. Ecology and the environment
- 2.8. Hand signals
- 2.9. Safety signs
- 3. CONTROLS AND INSTRUMENTS
- 3.1. Access to operators platform
- 3.1.1. Proper entry and exit
- 3.2. Operators seat
- 3.2.1. Overview
- 3.3. Forward controls
- 3.3.1. Front console
- 3.3.2. Steering column
- 3.3.3. Pedal controls
- 3.3.4. Joystick steering
- 3.4. Righthand side controls
- 3.4.1. Overview
- 3.4.2. Multifunction keypad
- 3.4.3. Control lever operation
- 3.4.4. Parking brake
- 3.4.5. Arm pad
- 3.5. Exterior controls
- 3.5.1. Hood and Timed Disconnect Switches
- 3.6. Display
- 3.6.1. Display description
- 3.6.2. Status and warning icons
- 3.7. Climate controls
- 3.7.1. Climate controls
- 3.7.2. Cab air louvers
- 3.8. Windows
- 3.8.1. Windows
- 3.9. Internal cab lights
- 3.9.1. Cab lights
- 3.9.2. Follow Me Home Lights
- 4. OPERATING INSTRUCTIONS
- 4.1. Commissioning the unit
- 4.1.1. Before starting the engine
- 4.2. Starting the unit
- 4.2.1. Starting the engine
- 4.2.2. Operating in hot temperatures
- 4.2.3. Operating in cold temperatures
- 4.2.4. Operating the machine
- 4.3. Stopping the unit
- 4.3.1. Stopping the machine
- 4.4. Moving the unit
- 4.4.1. Enabling the Auxiliary FNR switch
- 4.4.2. Ride control
- 4.4.3. Control levers
- 4.4.4. Auxiliary Forward, Neutral, Reverse (FNR) switch
- 4.4.5. Automatic mode
- 4.4.6. Loader functions
- 5. TRANSPORT OPERATIONS
- 5.1. Road transport
- 5.1.1. Safety rules
- 5.2. Recovery transport
- 5.2.1. Transporting the machine
- 5.2.2. Moving a disabled machine
- 6. WORKING OPERATIONS
- 6.1. Loader operations
- 6.1.1. Operating tips
- 6.1.2. Changing loader attachments
- 6.1.3. Coupling to the attachment
- 6.1.4. Uncoupling the attachment
- 6.1.5. Joystick steering operation
- 7. MAINTENANCE
- 7.1. General information
- 7.1.1. Servicing
- 7.1.2. Releasing pressure in the hydraulic system
- 7.1.3. General specification Diesel fuel
- 7.1.4. Biodiesel
- 7.1.5. Fluids and lubricants
- 7.1.6. Engine cooling system
- 7.1.7. Selective Catalytic Reduction (SCR) Overview
- 7.1.8. Selective Catalytic Reduction (SCR) system
- 7.2. Maintenance planning
- 7.2.1. Maintenance chart
- 7.3. Daily inspection
- 7.3.1. Daily inspection
- 7.4. Every 10 hours
- 7.4.1. Engine oil level Check
- 7.5. Every 50 hours
- 7.5.1. Bucket/attachment fittings Grease
- 7.5.2. Machine fittings Grease
- 7.5.3. Hydraulic oil level Check
- 7.5.4. Transmission oil level Check
- 7.5.5. Engine coolant level Check
- 7.6. Initial 100 hours
- 7.6.1. Wheel nuts tightening Check
- 7.6.2. Selective Catalytic Reduction (SCR) inline filter (Initial) Cleaning
- 7.6.3. Engine oil (Initial) Change
- 7.6.4. Engine oil filter (Initial) Replace
- 7.6.5. Fuel prefilter (Initial) Replace
- 7.6.6. Fuel filter (Initial) Replace
- 7.6.7. Hydraulic oil filters (Initial) Replace
- 7.6.8. Front and rear axle oil (Initial) Change
- 7.7. Every 100 hours
- 7.7.1. Machine fittings Grease
- 7.8. Every 250 hours
- 7.8.1. Drive shaft slip joints Grease
- 7.8.2. Cab air recirculation filter Cleaning
- 7.8.3. Cab air prefilter Cleaning
- 7.8.4. Cab air filter Cleaning
- 7.8.5. Wheels Tire inflating
- 7.8.6. Drive belt Check
- 7.9. Every 500 hours
- 7.9.1. Engine oil Change
- 7.9.2. Engine oil filter Replace
- 7.9.3. Fuel prefilter Replace
- 7.9.4. Fuel filter Replace
- 7.9.5. Fuel tank sediment Drain
- 7.9.6. Front and rear axle oil level Check
- 7.9.7. Front and rear axle oil Severe duty Change
- 7.9.8. Roll Over Protective Structure (ROPS) Check
- 7.9.9. Battery fluid level Check
- 7.9.10. DEF/AdBlue tank vent filter Replace
- 7.9.11. Selective Catalytic Reduction (SCR) inline filter Cleaning
- 7.10. Every 1000 hours
- 7.10.1. Pivot points Grease
- 7.10.2. Water from hydraulic system Drain
- 7.10.3. Drive belt Replace
- 7.10.4. Cab air recirculation filter Replace
- 7.10.5. Cab air prefilter Replace
- 7.10.6. Cab air filter Replace
- 7.10.7. Engine breather filter Replace
- 7.10.8. Front and rear axle oil Change
- 7.11. Every 1500 hours
- 7.11.1. Transmission oil Change
- 7.11.2. Transmission oil filter Replace
- 7.11.3. Transmission breather Cleaning
- 7.12. Every 2000 hours
- 7.12.1. Cold weather hydraulic oil Change
- 7.12.2. Hydraulic oil filter Replace
- 7.12.3. Primary engine air filter Replace
- 7.12.4. Secondary engine air filter Replace
- 7.12.5. Frame and cab Lubricate
- 7.12.6. Engine valve clearance Check and adjust
- 7.13. Every 4000 hours
- 7.13.1. Selective Catalytic Reduction System (SCR) Supply Module filter Replace
- 7.13.2. Diesel Exhaust Fluid (DEF)/AdBlue tank suction Cleaning
- 7.13.3. Engine coolant Change
- 7.13.4. Standard weather hydraulic oil Change
- 7.14. As required
- 7.14.1. Fuel prefilter Drain fluid
- 7.14.2. DEF/AdBlue tank neck filter Cleaning
- 7.14.3. Urea Quality Sensor (UQS) Replace
- 7.14.4. Air conditioning condenser Cleaning
- 7.14.5. Parking brake Check
- 7.14.6. Secondary steering Check
- 7.14.7. Cab service Check
- 7.14.8. Windshield washer fluid level Check
- 7.15. Electrical system
- 7.15.1. Battery Cleaning
- 7.15.2. Battery electrolyte level Check
- 7.15.3. Auxiliary battery connections Check
- 7.15.4. Battery Replace
- 7.15.5. Fuses and relays Replace
- 7.15.6. Lights Replace
- 7.16. General specifications
- 7.17. Machine specifications and dimensions
- 7.18. Torque charts
- 7.19. Material weights
- 8. ACCESSORIES
- 8.1. General accessories
- 8.2. Telematics








