Original Factory Service Repair Manual for the Case 21E/121E/221E/321E Series 3 Tier 3 Compact Wheel Loader.
This manual is very detailed and contains all the official Case manufacturer specifications, troubleshooting, repair instructions step by step with illustrations and wiring diagrams. Simple to complicated repairs can be completed effortlessly with the information provided. It is 100 percent complete and intact. The manual is specifically written for the DIY as well as the experienced mechanic.
Models Covered:
Case 21E Series 3 Tier 3 Compact Wheel Loader
Case 121E Series 3 Tier 3 Compact Wheel Loader
Case 221E Series 3 Tier 3 Compact Wheel Loader
Case 321E Series 3 Tier 3 Compact Wheel Loader
CONTENTS AS FOLLOWS:
SECTION 00 – INTRODUCTION
1. SAFETY INSTRUCTIONS
2. GENERAL SAFETY INSTRUCTIONS
3. TECHNICAL SPECIFICATIONS
SECTION 10 – ENGINE
1. DIESEL ENGINE
2. FUEL SYSTEM
SECTION 25 – FRONT AXLES
1. REMOVAL AND INSTALLATION
2. DIMENSIONS
3. TECHNICAL SPECIFICATIONS
4. OIL CHANGE
5. DISASSEMBLY AND ASSEMBLY
5.1 DISC BRAKE ASSY
5.2 BRAKE CALIPER
5.3 REDUCTION GEAR (21E)
5.4 REDUCTION UNIT (121E, 221E, 321E)
5.5 WHEEL HUB (21E)
5.6 WHEEL HUB (121E, 221E, 321E)
5.7 WHEEL SHAFT (121E, 221E, 321E)
5.8 BRAKE AND WHEEL SHAFT (121E, 221E, 321E “HIGH SPEED”)
5.9 DIFFERENTIAL SUPPORT
5.10 DIFFERENTIAL ASSY
5.11 PINION
6. TROUBLESHOOTING
7. SPECIAL TOOLS
SECTION 27 – REAR AXLES
1. REMOVAL AND INSTALLATION
2. DIMENSIONS
3. TECHNICAL SPECIFICATIONS
4. OIL CHANGE
5. DISASSEMBLY AND ASSEMBLY
5.1 MOTOR TB150
5.2 MOTOR TB138.5 “HIGH SPEED”
5.3 TRANSMISSION BOX TB150
5.4 TRANSMISSION TB138.5 “HIGH SPEED”
5.5 REDUCTION GEAR (21E)
5.6 REDUCTION UNIT (121E, 221E, 321E)
5.7 WHEEL HUB (21E)
5.8 WHEEL HUB (121E, 221E, 321E).
5.9 WHEEL SHAFT (121E, 221E, 321E).
5.10 DIFFERENTIAL SUPPORT
5.11 DIFFERENTIAL ASSY
5.12 LIMITED SLIP DIFFERENTIAL ASSY.
5.13 PINION
6. TROUBLESHOOTING
7. SPECIAL TOOLS
SECTION 33 – BRAKE SYSTEM
1. BRAKE SYSTEM DIAGRAM
1.1 STANDARD DIAGRAM
1.2 “HIGH SPEED” DIAGRAM
2. TECHNICAL SPECIFICATIONS
2.1 BRAKE PEDAL VALVE
2.2 PRESSURE SWITCHES
3. OPERATION
3.1 SERVICE BRAKE OPERATION
3.2 PARKING BRAKE OPERATION
4. BRAKE PEDAL VALVE
5. PRESSURE SWITCHES
6. BRAKE ACCUMULATOR
6.1 TECHNICAL SPECIFICATIONS
7. CHECKS AND ADJUSTMENTS
7.1 SERVICE BRAKE SYSTEM PRESSURE CHECK
7.2 ACCUMULATOR PRESSURE CHECK.
7.3 PEDAL ANGLE ADJUSTMENT
7.4 “INCHING” VALVE ADJUSTMENT
8. TROUBLESHOOTING
SECTION 35 – HYDRAULIC SYSTEM
1. HYDRAULIC DIAGRAMS
1.1 HYDRAULIC DIAGRAM FOR 21E
1.2 HYDRAULIC DIAGRAM FOR 21E WITH OPTIONAL OUTFITS
1.3 HYDRAULIC DIAGRAM FOR 121E
1.4 HYDRAULIC DIAGRAM FOR 121E WITH OPTIONAL OUTFITS
1.5 HYDRAULIC DIAGRAM FOR 221E
1.6 HYDRAULIC DIAGRAM FOR 221E WITH OPTIONAL OUTFITS
1.7 HYDRAULIC DIAGRAM FOR 321E
1.8 HYDRAULIC DIAGRAM FOR 321E WITH OPTIONAL OUTFITS
2. TRANSMISSION
2.1 HYDRAULIC DIAGRAM
2.2 OPERATION
2.3 ADJUSTMENTS
3. VARIABLE-DISPLACEMENT PISTON PUMP
3.1 TECHNICAL SPECIFICATIONS
3.2 MAIN VALVES
3.3 DISASSEMBLY
3.4 ASSEMBLY
4. GEAR PUMP
4.1 TECHNICAL SPECIFICATIONS
4.2 COMPONENTS
4.3 DISASSEMBLY AND ASSEMBLY
5. PRIORITY VALVE
5.1 TECHNICAL SPECIFICATIONS
6. TRAVEL MOTOR
6.1 TECHNICAL SPECIFICATIONS
6.2 MAIN COMPONENTS
6.3 OPERATION
6.4 REMOVAL
6.5 DISASSEMBLY AND ASSEMBLY
7. ONE-WAY DISTRIBUTOR VALVE
8. HYDRAULIC OIL TANK
8.1 OIL FILTER
9. TROUBLESHOOTING
SECTION 39 – FRAME
1. ARTICULATED JOINT
1.1 COMPONENTS
1.2 DISASSEMBLY AND ASSEMBLY
SECTION 41 – STEERING SYSTEM
1. OPERATION.
1.1 EMERGENCY STEERING
1.2 PRESSURE ADJUSTMENT
2. POWER STEERING
2.1 TECHNICAL SPECIFICATIONS
2.2 COMPONENTS
2.3 DISASSEMBLY AND ASSEMBLY
2.4 TROUBLESHOOTING
2.5 SPECIAL TOOLS
3. STEERING CYLINDER
3.1 REMOVAL AND INSTALLATION
3.2 DISASSEMBLY
4. TROUBLESHOOTING
SECTION 50 – HEATING AND AIR CONDITIONING SYSTEM
1. HEATING
2. AIR CONDITIONING
3. TROUBLESHOOTING
SECTION 55 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS
2. FUSES AND RELAYS
3. VOLTAGE AND CONTINUITY CHECK
4. BATTERY
4.1 REPLACEMENT
5. BULBS
6. TROUBLESHOOTING
SECTION 82 – WORKING EQUIPMENT
1. HYDRAULIC DIAGRAM
2. OPERATION
3. REMOVAL AND INSTALLATION
4. QUICK TOOL COUPLER
4.1 COMPONENTS
4.2 QUICK TOOL COUPLER CYLINDERS
5. BUCKET
5.1 ASSEMBLY
5.2 DISASSEMBLY
5.3 BUCKET TEETH – REPLACEMENT
6. FORKS
6.1 DISASSEMBLY AND ASSEMBLY
6.2 CHECKS
7. CYLINDERS.
7.1 BOOM CYLINDER
7.2 DUMPING CYLINDER
8. CONTROL VALVE
9. LOAD HOLDING VALVE
9.1 TECHNICAL SPECIFICATIONS.
10. TROUBLESHOOTING
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Model Specification: Case 21E/121E/221E/321E Series 3 Tier 3 Compact Wheel Loader
Language: English
Total Pages: 488
File Format: PDF
Requirements: Adobe PDF Reader
Zoom In/Out: yes
Notes: Bookmarked, searchable, Fully printable, instant download
Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Smartphone, Android etc…
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