Case 621F, 721F Tier 4 Wheel Loader Operator's Manual
389 pages · Publication 47558866
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- Models
- 621F, 721F Tier 4
- Manual type
- Operator's Manual
- Pages
- 389
- Publication
- 47558866
- Condition
- Brand new

What's inside
From the manual's own table of contents: 24 sections, 139 entries. See sample pages (PDF, 365 KB)
Safety signs115 topics
- Proper entry and exit
- Overview
- Front console
- Steering column
- Pedal controls
- Parking brake
- Transmission controls
- Joystick steering
- Overview
- 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
- Before operating the transmission
- Ride control
- Control levers
- Auxiliary forward, neutral, reverse (F-N-R) switch
- Automatic mode
- Loader functions
- Safety rules
- Transporting the machine
- Travelling on public roads
- 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
- Fluids and lubricants
- Biodiesel fuel - Biodiesel fuels
- Selective Catalytic Reduction (SCR) system
- Selective Catalytic Reduction (SCR) exhaust treatment - Basic instructions
- Maintenance Chart
- General
- Engine oil
- Bucket/attachment grease fittings
- Grease machine and attachments
- Hydraulic oil level
- Transmission oil level
- Engine coolant
- Wheel torque
- Selective Catalytic Reduction - Clean in-line supply filter (Initial)
- Change engine oil and filter (Initial)
- Replace hydraulic oil filters (Initial)
- Clean in-line Diesel Exhaust Fluid (DEF) supply filter (Initial)
- Fuel prefilter (Initial)
- Fuel filter (Initial)
- Grease fittings
- Grease lift arm
- Grease drive shaft slip joints
- Cab air filter - Recirculation filter
- Wheels and tires
- Engine oil and filter
- Replace fuel prefilter
- Replace fuel filter
- Fuel tank sediment
- Axle oil level
- Roll over protective structure
- Battery fluid level
- Pivot points
- Articulation fittings
- Hydraulic oil filter
- Drive belt
- Cab air filter - Recirculation filter
- Replacing the engine breather filter
- Change front and rear axle oil
- Transmission fluid and filter
- Selective catalytic reduction system - Replace supply module filter
- Calibrating the gear box
- Transmission declutch pressure adjustment 4-speed transmission only
- Hydraulic oil and filters
- Engine coolant
- Engine air filters
- Frame and cab - lubricate
- Engine valve clearance
- Selective catalytic reduction system - Replace supply module filter
- Fuel pre-filter
- Selective catalytic reduction system - Clean tank filter
- Air conditioning condenser
- Height control and return to travel
- Return to dig
- Secondary steering
- Cab service
- Battery service
- Battery electrolyte level
- Auxiliary battery connections
- Battery removal and installation
- Fuses and relays
- Work lights
- Driving lights
- Additional features
- Preparation for storage
- Every 30 days
- Starting up after storage
Inside this manual
Real pages from this operator's manual (389 pages). Open the sample pages (PDF, 365 KB)
- Controls and operation, page 72: 3 - CONTROLS AND INSTRUMENTS
- Maintenance, page 228: Change fluid
- Specifications, page 330: 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, 389 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).