Case 21E, 121E, 221E, 321E Compact Wheel Loader Service Manual
491 pages · Publication 87630260
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What's inside
From the manual's own table of contents: 11 sections, 103 entries. See sample pages (PDF, 558 KB)
INTRODUCTION2 topics
- SAFETY INSTRUCTIONS
- TECHNICAL SPECIFICATIONS
ENGINE2 topics
- DIESEL ENGINE
- FUEL SYSTEM
FRONT AXLES16 topics
- REMOVAL AND INSTALLATION
- DIMENSIONS
- TECHNICAL SPECIFICATIONS
- OIL CHANGE AND GREASING
- DISASSEMBLY AND ASSEMBLY
- BRAKE DISC ASSY
- BRAKE CALIPER
- EPICYCLIC REDUCTION GEAR ASSY (21E)
- EPICYCLIC REDUCTION GEAR ASSY (121E, 221E, 321E)
- WHEEL HUB ASSY (21E)
- BRAKE AND WHEEL SHAFT ASSY (121E, 221E, 321E HIGH SPEED)
- DIFFERENTIAL SUPPORT ASSY
- DIFFERENTIAL ASSY
- PINION ASSY
- TROUBLESHOOTING
- SPECIAL TOOLS
REAR AXLES11 topics
- HYDRAULIC MOTOR ASSY TB150
- HYDRAULIC MOTOR ASSY TB138.5 HIGH SPEED
- TRANSMISSION BOX ASSY TB150
- TRANSMISSION BOX ASSY TB138.5 HIGH SPEED
- EPICYCLIC REDUCTION GEAR ASSY (21E)
- EPICYCLIC REDUCTION GEAR ASSY (121E, 221E, 321E)
- WHEEL HUB ASSY (21E)
- DIFFERENTIAL SUPPORT ASSY
- DIFFERENTIAL ASSY
- LIMITED SLIP DIFFERENTIAL ASSY
- PINION ASSY
BRAKES SYSTEM12 topics
- BRAKES SYSTEM DIAGRAM
- OPERATION
- SERVICE BRAKE
- PARKING BRAKE
- BRAKE PEDAL VALVE
- ADJUSTMENTS
- TROUBLESHOOTING
- ACCUMULATORS
- BRAKE ACCUMULATOR
- PUMP ACCUMULATOR
- MAINTENANCE
- TROUBLESHOOTING
HYDRAULIC SYSTEM17 topics
- HYDRAULIC DIAGRAMS
- 21E HYDRAULIC DIAGRAM
- 21E HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS
- 121E HYDRAULIC DIAGRAM
- 121E HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS
- 221E BASIC MODEL HYDRAULIC DIAGRAM
- 221E HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS
- 321E HYDRAULIC DIAGRAM
- 321E HYDRAULIC DIAGRAM WITH OPTIONAL OUTFITS
- TRANSMISSION HYDRAULIC SYSTEM
- PISTON PUMP AT VARIABLE DISPLACEMENT
- GEAR PUMP
- PRIORITY VALVE
- HYDRAULIC MOTOR
- ONE-WAY DISTRIBUTOR VALVE
- HYDRAULIC OIL TANK
- TROUBLESHOOTING
FRAME1 topic
- ARTICULATED JOINT
STEERING SYSTEM12 topics
- STEERING SYSTEM DIAGRAM
- ADJUSTMENTS
- POWER STEERING
- TECHNICAL SPECIFICATIONS
- HYDRAULIC DIAGRAM
- COMPONENTS
- DISASSEMBLY AND ASSEMBLY
- TROUBLESHOOTING
- SPECIAL TOOLS
- STEERING CYLINDER
- REMOVAL AND INSTALLATION
- DISASSEMBLY
HEATING AND AIR CONDITIONING SYSTEM3 topics
- HEATING
- AIR CONDITIONING
- TROUBLESHOOTING
ELECTRICAL SYSTEM5 topics
- ELECTRICAL DIAGRAMS
- FUSES AND RELAYS
- VOLTAGE AND CONTINUITY CHECK
- BATTERY
- BULBS
WORKING EQUIPMENT11 topics
- HYDRAULIC DIAGRAM
- REMOVAL AND INSTALLATION
- QUICK TOOL COUPLER
- BUCKET
- LIFTING FORKS
- CYLINDERS
- LIFTING CYLINDER
- DUMPING CYLINDER
- CONTROL VALVE
- LOAD HOLDING VALVE
- TROUBLESHOOTING
Inside this manual
Real pages from this service manual (491 pages). Open the sample pages (PDF, 558 KB)
- Specifications, page 288: SECTION 35 - HYDRAULIC SYSTEM
- Troubleshooting, page 351: SECTION 35 - HYDRAULIC SYSTEM
- Diagram, page 463: SECTION 82 - WORKING EQUIPMENT
- Foldout diagram: SECTION 35 - HYDRAULIC SYSTEM
Other manuals for this machine
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This is a service 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.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
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, 491 pages
Quantity one is the manual described above.
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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).