Case 621F, 721F Tier 4B Wheel Loader Operator's Manual
409 pages · Publication 47915753
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- Models
- 621F, 721F Tier 4B
- Manual type
- Operator's Manual
- Pages
- 409
- Publication
- 47915753
- Condition
- Brand new

What's inside
From the manual's own table of contents: 25 sections, 143 entries. See sample pages (PDF, 360 KB)
Safety signs118 topics
- Proper entry and exit
- Overview
- Front console
- Steering column
- Pedal controls
- Parking brake
- Joystick steering
- Two function valve
- Three function valve
- Four function valve
- Wrist rest
- Hood switch and master disconnect
- Overview
- Status and warning icons
- Display settings
- Keypad
- Operator preferences
- Overview
- Switch operations
- Climate controls
- Cab air louvers
- Windows
- Before starting the engine
- Run in period of a new machine
- Starting the engine
- Operating in extreme temperatures
- Cold temperature operation
- Transport/service link
- Stopping the engine
- Transmission enable switch
- Ride control
- Control levers
- Auxiliary forward, neutral, reverse (F-N-R) switch
- Automatic mode
- Loader functions
- Safety rules
- Transporting the machine
- Moving a disabled machine
- Operating tips
- Changing loader attachments
- Coupling to the attachment
- Uncoupling the attachment
- Joystick operation
- Servicing
- Support strut for loader lift arm
- Releasing pressure in the hydraulic system
- General specification - Diesel fuel
- Biodiesel
- Fluids and lubricants
- Engine cooling system
- Selective Catalytic Reduction (SCR) - Overview
- Selective Catalytic Reduction (SCR) system
- Maintenance chart
- General
- Engine oil level - Check
- Bucket/attachment fittings - Grease
- Machine fittings - Grease
- Hydraulic oil level - Check
- Transmission oil level - Check
- Engine coolant level - Check
- Wheel nuts tightening - Check
- Engine oil and filter (Initial) - Change
- Selective Catalytic Reduction (SCR) in-line filter (Initial) - Cleaning
- Fuel pre-filter (Initial) - Replace
- Fuel filter (Initial) - Replace
- Hydraulic oil filters (Initial) - Replace
- Front and rear axle oil (Initial) - Change
- Machine fittings - Grease
- Drive shaft slip joints - Grease
- Cab air filters - Cleaning
- Wheels and tires pressure - Check
- Drive belt - Check
- Engine oil and filter - Replace
- Fuel pre-filter - Replace
- Fuel filter - Replace
- Fuel tank sediment - Drain
- Front and rear axle oil level - Check
- Front and rear axle oil - Severe duty - Change
- Roll Over Protective Structure (ROPS) - Check
- Battery fluid level - Check
- DEF/AdBlue® tank vent filter - Replace
- Selective Catalytic Reduction (SCR) in-line filter - Cleaning
- Pivot points - Grease
- Hydraulic oil filter - Replace
- Drive belt - Replace
- Cab air filters - Replace
- Engine breather filter - Replace
- Front and rear axle oil - Change
- Transmission fluid and filter - Change
- Transmission breather - Cleaning
- Gear-box - Calibration
- Transmission declutch pressure - Adjust - 4-speed transmission
- Hydraulic oil and filters - Change
- Engine air filters - Replace
- Frame and cab - Lubricate
- Engine valve clearance - Check and adjust
- Selective Catalytic Reduction System (SCR) Supply Module filter - Replace
- Diesel Exhaust Fluid (DEF)/AdBlue® tank suction - Cleaning
- Engine coolant - Change
- Fuel pre-filter - Drain fluid
- DEF/AdBlue® tank neck filter - Cleaning
- Urea Quality Sensor (UQS) - Replace
- Air conditioning condenser - Cleaning
- Height control and return-to-travel - Adjust
- Return-to-dig - Adjust
- Parking brake - Check
- Secondary steering - Check
- Cab service - Check
- Windshield washer fluid level - Check
- Battery - Cleaning
- Battery electrolyte level - Check
- Auxiliary battery connections - Check
- Battery - Replace
- Fuses and relays - Replace
- Lights - Replace
- Preparation
- Every 30 days
- Removal
Show all 25 sections
Inside this manual
Real pages from this operator's manual (409 pages). Open the sample pages (PDF, 359 KB)
- Controls and operation, page 73: 3 - CONTROLS AND INSTRUMENTS
- Maintenance, page 301: Engine air filters - Replace
- Specifications, page 361: 8 - SPECIFICATIONS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals 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 an operator's 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.
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, 409 pages
Quantity one is the manual described above.
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60-day returns
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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).