CASE 521G Tier 2 Wheel Loader Service Manual (48083739)

This service manual provides detailed maintenance, troubleshooting, and repair procedures for the CASE 521G Tier 2 Wheel Loader models, including XT and Z-BAR configurations. It covers engines, powershift transmission, 4WD, axles, hydraulic pilot systems, camera systems, and mechanical diagnostics—ideal for units without advanced SCR or EGR emissions integration.

Model Covers:

CASE 521G ZBAR EH Tier 2 (New Cab)
CASE 521G XT EH Tier 2 (New Cab)
Serial range: FNH0521GNGHE00001 and above

Note: If your machine features SCR or EGR emissions systems and electronic control units, refer to the CASE 521G Tier 4B Final Service Manuals (48083735 or 51428262) for full integration with aftertreatment diagnostics and EH loader configurations.

File Format: PDF

Size: 92.20 MB

No. of pages: 2087

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Table of Contents Overview:

Engine Systems

• Crankcase, fuel tanks, air cleaners, exhaust manifolds
• Cooling system, aftercooler, fan drive, lubrication circuits

Transmission & 4WD

• Powershift transmission (internal and external)
• Driveshaft, front/rear axles, final drives

Brakes & Steering

• Hydraulic service and parking brake systems
• Steering control, cylinders, auxiliary steering

Hydraulic System

• Pilot control, loader arm/bucket hydraulics
• Hydraulic fan drive, quick coupler system

Electrical System

• Harnesses, starter, alternator, battery, DTC codes
• Cab camera system, HVAC control, loader joystick

Cab & Controls

• New cab structure, ROPS/FOPS, operator seat (mechanical and pneumatic)
• HVAC diagnostics, cab wiring and camera components

Mounted Equipment

• Loader arms and bucket, machine decals, shields and guards

Schematics

• Electrical system with fault codes
• Hydraulic system: pilot and main control valve circuit

This CASE 521G Tier 2 Service Manual is essential for technicians handling non-emission Tier 2 European machines with updated cab and hydraulic functionality.