Product Description
The CASE 621F wheel loader continues to bring to the worksite a tradition of reliability, performance, and efficiency. New powertrain and Tier 4 SCR engine technology offer the 621F significant gains in performance with up to 16% reduced fuel consumption per hour and the CASE exclusive POWERINCH, an intelligent declutching for tight operating environments such as truck loading. 1996 CASE, 621B Wheel Loaders, #27785 Hours 89601996 Case 621B; clean, well maintained loader with 8,960 hours; 2.5 cubic yard bucket; Ag tread tires.
Service manual includes full set of repair and technical service information, electrical wiring diagrams, disassembly and assembly instructions, fitting instructions for Wheel Loader Case 621D.
E-manual is very convenient, because it is designed to run on personal computers, supports English.
Electronic manual allows to troubleshoot and eliminate hardware conflicts.
This manual comes in PDF format. For work with manual you need to install any PDF Reader.
Service Manual covers:
General
Standard Torque Specifications
Fluids and Lubricants
Metric Conversion Chart
Loctite Product Chart
Engines
Engine and Radiator Removal and Installation
Engine and Radiator Removal and Installation P.I.N. JEE0135501 and Above
Stall Tests
For Engine Repair, See the Engine Service Manual
Fuel System
Section Index - Fuel System
For Fuel System Repair, See the Engine Service Manual
Electrical
Section Index - Electrical
Removal and Installation of Starter and Alternator
Electrical Specifications and Troubleshooting
Electrical Specifications and Troubleshooting P.I.N. JEE0135501 and Above
Batteries
Information and Diagnostic Center
Alternator - 65 Ampere
Alternator - 45 Ampere
Steering
Section Index - Steering
Removal and Installation of Steering Components
Steering Specifications, Pressure Checks, and Troubleshooting
Steering Control Valve
Steering Priority Valve
Steering Cylinders
Center Pivot
Auxiliary Steering Motor and Pump
Power Train
Removal and Installation of Power Train Components
Transmission Specifications, Pressure Checks, and Troubleshooting
Transmission
Front Axle
Rear Axle
Drive Shafts, Center Bearing, and Universal Joints
Wheels and Tires
Transmission Control Valve
Brakes
Section Index - Brakes
Removal and Installation of Brake Components
Hydraulic Brake Troubleshooting
Brake Accumulators
Parking Brake
NOTE: For parking brake and brake pedal adjustments, see Section 9001
Hydraulics
Section Index - Hydraulics
Removal and Installation of Hydraulic Components
Hydraulic Specifications, Troubleshooting, and Pressure Checks
Cleaning the Hydraulic System
Cylinders
Coupler Solenoid Locking Valve
Pilot Pressure Accumulator and Ride Control Accumulator
Mounted Equipment
Section Index - Mounted Equipment
Pedals and Levers
Air Conditioning Troubleshooting and System Checks For Systems with HFC-134a Refrigerant
Air Conditioner System Service
Removal and Installation of Air Conditioning Components For Systems with HFC-134a Refrigerant
Loader
ROPS Cab and ROPS Canopy
Cab Glass Installation
Electrical Schematic Foldouts and Hydraulic Schematic Foldout In Rear Pocket
Electrical Schematic Foldouts and Hydraulic Schematic Foldout P.I.N. JEE0135501 and Above
$59.99
Case 621 Wheel Loader Manual
Covers: Case 621B, 721B Loader (All Serial Numbers)
Pages: 1,859
Format: PDF download
File size: 438mb
Compatibility: Windows/Mac/Tablet/Smartphone
Notes: Instant digital download only – no printed copy or CD-ROM media.
The Case 621B and 721B service manual covers comprehensive service, repair and troubleshooting procedures for the wheel loader. This service manual has over 1,800 pages of technical information with illustrations for professional and DIY mechanics. View the service manual on your tablet, smartphone or computer and save time and money on repairs.
Latest edition. Engine repair is included.
Topics:
Case 621 Loader Manual
General Information
- Loctite Products
- Standard Torque Specs
- Fluids and Lubricants
Engine (6T-590/6T-830)
- Specifications
- Cylinder Head and Valve Train
- Cylinder Block – Crankshaft, Pistons, Rods, Sleeves, Camshaft, Bearings, Seals, Flywheel
- Lubrication System
- Cooling System
- Turbocharger
Fuel System
- Fuel System and Filters
- Injection Pump and Drive Gear
- Fuel Injectors
Electrical System
- Removal and Installation of Starter Motor
- Starter and Starter Solenoid – Denso
- Electrical Wiring Schematics, Troubleshooting
- Batteries
- Instrument Cluster and Gauges
- 65 Amp Alternator – Bosch
Steering
- Removal and Installation of Steering Components
- Steering Specifications and Troubleshooting
- Steering Control Valve
- Flow Control Valve
- Steering Cylinder
- Center Pivot
- Aux. Steering Motor and Pump
Powertrain
- Removal and Installation of Powertrain Components
- Transmission Specifications, Schematic and Troubleshooting (With and Without Autoshift Transmission)
- Transmission Repair – 4WG150/180
- Axle Repair
- Driveshaft, Center Bearing and Universal Joints
- Wheels and Tires
- Transmission Control Valve
Brakes
- Removal and Installation of Brake Components
- Hydraulic Brake Troubleshooting
- Brake Pump
- Brake Accumulators
- Brake Actuator Valve
- Brake Accumulator Valve
- Parking Brake
Hydraulic System
- Removal and Installation of Hydraulic Components
- Hydraulic Specifications, Pressure Checks and Troubleshooting
- Cleaning the Hydraulic System
- Hydraulic Pump
- Loader Control Valve
- Cylinders
- Remote Control Valves
- Coupler Lock Valve – XT Loader
- Pressure Reducing/Sequence Valve
Chassis
- Air Conditioning Troubleshooting and System Checks
- Air Conditioner System Service
- Removal and Installation of Air Conditioning System Components
- Air Conditioning Compressor and Clutch
- Loader
- ROPS Cab and Canopy
- Seat and Seat Belts
- Suspension Seat
- Pedals and Levers
- Cab Window Replacement
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