Case Wheel Loader 21B-121B-221B Service Manual 7-79121 – PDF DOWNLOAD

Description

Case Wheel Loader 21B-121B-221B Service Manual

FILE DETAILS:

Case Wheel Loader 21B-121B-221B Service Manual

Size : 28.6 MB
Format : PDF
Language : English
Brand: Case
Number of page: 432 page
Type of machine: Case Wheel Loader
Type of document: Service Manual
Model: Case Wheel Loader 21B 121B 221B
Part No: 7-79121

CASE WHEEL LOADER 21B-121B-221B SERVICE MANUAL 7-79121 – PDF DOWNLOAD:

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DESCRIPTION:

Case Wheel Loader 21B-121B-221B Service Manual

GENERAL INFORMATION:

• Cleaning:Clean all metal parts except bearings. In a suitable cleaning solvent or by steam cleaning. Do not use caustic scda for steam cleaning. After cleaning, dry and put oil on all parts. Clean oil passages with compressed air. Clean bearings in a suitable cleaning solvent, try the bearings completely and put oil on the bearings.
• Inspection:Check all parts when the parts are disassembled. Replace all parts that have wear or damage. Small scoring or grooves can be removed with a hone or crocus cloth. Complete a visual inspection for indications of wear. pitting and the replacement of parts necessary to prevent early failures. Bearings Check bearings for easy action. If bearings have a loose fit or rough action replace the bearing. Wash bearings with a suitable cleaning solvent and permit to air dy. DO NOT DRY BEARINGS WITH COMPRESSED AIR.
• Needle Bearings:Before you press needle bearings in a bore always remove any metal protrusions in the bore or edge of the bore. Before you press bearings Into position put petroleum jelly on the inside and outside cfiameter of the bearings.
• Gears:Check all gears for wear and damage. Replace gears that have wear or damage.
• Oil Seals, O-rings and Gaskets:Always install new oil seals. O-rings and gaskets. Put petroleum jelly on seals and O-rings.
• Shafts:Check all shafts that have wear or damage. Check the bearing and oil seal surfaces of the shafts for damage.
• Service Parts:Always install genuine Case service parts. When ordering refer to the Parts Catalog torthe correct part number of the genuine Case replacement items. Failures due to the use of other than genuine Link- Belt replacement parts are not covered by warranty.
• Lubrication:Only use the oils and lubricants specified in the Operator’s or Service Manuals. Failures due to the use of non-specified oils and lubricants are not covered by warranty.

TABLE OF CONTENTS:

Case Wheel Loader 21B-121B-221B Service Manual

GENERAL INFORMATION
Safety. General Information and Torque Settings
Specifications:
21B loader
Specifications:
121B loader: up to Serial Number DAH 1218599
2218 loader: up to Serial Number DAH 2218599
Specifications:
1218 loader: Serial Number DAH 1218600 and after
2218 loader: Serial Number DAH 2218600 and after
ENGINE
Engine Specifications
Cylinder Head and Valve Assembly
Cylinder Block
Lubrication System
Cooling System
Turbocharger
FUEL SYSTEM
Fuel System and Filter
Injection Pump
ELECTRICAL SYSTEM
Electrical Schematics:
218 loader
121B loader: up to Serial Number DAH1218599
221B loader: up to Serial Number DAH fi18599
Electrical Schematics: ‘
121B loader: Serial Number DAH 1218600 and after
2218 loader: Serial Number DAH 2218600 and after
Starter motor
Alternator
STEERING SYSTEM
Rotary Control Valve
TRANSMISSION COMPONENTS
Travel Reduction Gear: 218 loader
Rear Axle and Transfer Box
Front Axle
DRIVETRAIN
Master cylinder: 21B loader
Master cylinder: 1218 – 2218
UNDERCARRIAGE HYDRAULICS
Checks. Adjustments and Hydraulic Schematics:
218 loader
1218 loader: up to Serial Number DAH 1218599
2218 loader: up to Serial Number DAH 2218599
Checks. Adjustments and Hydraulic Schematics:
121B loader: Serial Number DAH 1218600 and after
2218 loader: Serial Number DAH 2218600 and after
Variable Displacement Pump: 21B loader
Variable Displacement Pump: 1218 – 2218 loaders
Travel motor:
218 loader: Up to Serial Number DAH 21 6074
Travel motor:
21 8 leader; Serial Number DAH 216075 and after
Travel motor:
1218 loader: up to Serial Number DAH 1 216059
2218 loader: up to Serial Number DAH 2216059
Travel motor:
1218 loader. up to Serial Number DAH 1216060 and after
2218 loader: up to Serial Number DAH 2216060 and after
Control Valve: 218 loader
Control Valve: 1218 – 2218 loaders

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