Case 21E, 121E, 221E, 321E Series 3 Tier 2 Compact Wheel Loaders Service Manual (87734636C)

Case 21E, 121E, 221E, 321E Series 3 Compact Wheel Loaders Service Manual (87734636C)

This official Case service manual delivers detailed maintenance and repair instructions for the 21E, 121E, 221E, and 321E Series 3 Tier 2 compact wheel loaders. Covering engine systems, axles, hydraulics, frame, steering, HVAC, and electrical components, the manual is ideal for technicians and operators maintaining Tier 3 compliant equipment.

Model Covers:

Case 21E, 121E, 221E, 321E Series 3 Tier 2
Compact Wheel Loaders

File Format: PDF

Size: 38.38 MB

No. of pages: 489
Language: English

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

📑 Table of Contents Overview:

Powertrain and Hydraulics

• Engine servicing and configuration
• Front and rear axle inspections
• Brake system overhaul procedures
• Hydraulic troubleshooting and calibration

Frame, Steering, and Cab Features

• Frame inspections and structural analysis
• Steering system disassembly and testing
• HVAC components and duct system servicing

Electrical and Working Equipment

• Wiring diagrams and electronic schematics
• Fuse panel layout and electrical checks
• Loader and auxiliary attachment servicing

The complete Repair Manual consists of two volumes:

21E - 121E - 221E - 321E Repair Manual for “Wheel loaders” - 87734636C

21E - 121E - 221E - 321E Repair Manual for “Engine” -  87736548A

Note: A newer edition (Tier 3) of this manual is available with additional service details, improved diagrams, and revised troubleshooting procedures. [Click here for more details.]

This Case 21E, 121E, 221E, 321E Series 3 Service Manual is a must-have guide for accurate and efficient servicing of your compact wheel loader fleet.