CASE 30, 40, 50 Series B Crawler Excavators Service Manual

CASE 30, 40, 50 Series B Crawler Excavators Service Manual

This official service manual delivers in-depth technical instructions for servicing the CASE 30, 40, and 50 Series B Crawler Excavators. Covering preventive maintenance, hydraulic and electrical systems, undercarriage components, swing mechanisms, and troubleshooting guides, this manual is a crucial resource for advanced diagnostics and repairs.

Model Covers:

DROTT CRAWLER

CASE 30 Series B Crawler Excavator
CASE 40 Series B Crawler Excavator
CASE 50 Series B Crawler Excavator

File Format: PDF

Size: 65.56 MB

No. of pages: 234

Language: English

Publication: S406173 M2

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

📑 Included Sections:

General and Maintenance Information

• Safety precautions, nomenclature, directional reference
• Preventive maintenance schedule and lubrication charts
• Hydraulic fluid specs and filter servicing

Crawler Undercarriage

• Track frames, rollers, shoes, and final drive transmission repair
• Brake adjustments, disassembly, and troubleshooting
• Carbody and leveler inspection procedures

Upperstructure and Swing Mechanism

• Turntable bearing service, noise diagnostics, and installation
• Slew motor and reduction gearbox (1-piece and 2-piece)

Hydraulic System and Components

• Hydraulic pump servicing, output checks, and filter cleaning
• Hydraulic swivel, valve banks, relief valves, flow regulators
• Tool, crowd, hoist, and track cylinder diagrams

Electrical System

• Battery care, general wiring, and diagnostic troubleshooting
• Complete electrical schematics included

Logger and Feller/Buncher Sections

• Feller/buncher maintenance and collector repair
• Rotary cutter diagrams and servicing instructions

Miscellaneous and Schematics

• Torque charts for bolts and key components
• Hydraulic and electrical system schematics

This CASE 30, 40, 50 SERIES B CRAWLER EXCAVATORS Service Manual is a must-have resource for any technician or operator involved in advanced servicing and system restoration for Series B CASE crawler models.