Case 621D Repair Manual [Wheel Loader]


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Complete Service Repair Manual For Case 621D Wheel Loader. Include detailed step by step Instructions, diagrams, illustrations for disassembly and assembly. Make an easy any repair, overhaul, testing, adjustment, teardown, replacement and change, inspection.

= pages 1064
= Clickable index
= Bookmarks
= Searchable Text
= Printable
= Zoomable

MODELS Covered

Case 621D Wheel Loader

SECTIONS covered

Fuel system
Power train
Mounted equipment
Table of Contents

Section Index – General
Standard Torque Specifications
Fluids and Lubricants
Metric Conversion Chart
Loctite Product Chart

Section Index – 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

Section Index – Electrical
Removal and Installation of Starter and Alternator
Electrical Specifications and Troubleshooting
Electrical Specifications and Troubleshooting PI N. JEE0135501 and Above
Information and Diagnostic Center
Alternator – 65 Ampere
Alternator – 45 Ampere

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
Section Index – Power Train
Removal and Installation of Power Train Components
Transmission Specifications. Pressure Checks, and Troubleshooting
Front and Rear Axle (Early Version)
Front Axle
Rear Axle
Drive Shafts, Center Bearing, and Universal Joints
Wheels and Tires
Transmission Control Valve

Section Index – Brakes
Removal and Installation of Brake Components
Hydraulic Brake Troubleshooting
Brake Accumulators
Parking Brake

Section Index • Hydraulics
Removal and Installation of Hydraulic Components
Hydraulic Specifications, Troubleshooting, and Pressure Checks
Cleaning the Hydraulic System
Loader Control Valve
Coupler Solenoid Locking Valve
Pilot Pressure Accumulator and Ride Control Accumulator
Ride Control Valve
Mounted Equipment
Section Index – Mounted Equipment
Pedals and Levers
Air Conditioning Troubleshooting and System Checks For Systems with HFC-134a
Air Conditioner System Service
Removal and Installation of Air Conditioning Components For Systems with
HFC-134a Refrigerant
ROPS Cab and ROPS Canopy
Cab Glass Installation

Electrical Schematic Foldouts and Hydraulic Schematic Foldout

Electrical Schematic Foldouts and Hydraulic Schematic Foldout PIN. JEE0135501 and Above