Drott 30, 35, 35A, 40, 40A, 50, 50A Series A Crawler Excavator Service Manual S406079M4 English
Brand: CASE Construction / Drott
Product Range: Crawler Excavator
Publication Type: Service Manual
Equipment Model: 30, 35, 35A, 40, 40A, 50, 50A Series A
Serial Number: -
Publication Number: S406079M4
Issued: Printed in U.S.A. (Reprinted)
Language: English
Pages: 122
File Format: PDF Document
Additional Information: Complete information on service and maintenance of the engine is available from its manufacturer. For Engine Repair, See the Engine Service Manual.
Introduction
This service manual contains the service procedures for the 30C, 35C and 40C Drott crawlers. General references in the manual are made to the three types of machines. When a description applies to one type of machine, such descriptions are indicated.
First, this manual describes the components of the undercarriage, upper structure and booms.
Second, the hydraulic and electrical systems of the crawlers are described.
When studying the various parts of the crawlers in this manual, read the entire description before starting service or repair. The serviceman then has a better understanding of the information.
Table of Contents
GENERAL
Table of Contents
Warranty
Nomenclature
Introduction
CRAWLER UNDERCARRIAGE
Frame
Track Shoes
Track Adjustment
Breaking Track
Expanding Track Base
Track Rollers
Disassembly and Assembly of Roller
Track Drive Tandem Motors
Track Drive Brake
Final Drive Transmission Assembly
Drive Wheel Removal
Front Idler Wheel Disassembly
Carbody and Carbody Leveler
Crawler Trouble Shooting
Brakes Trouble Shooting
UPPER STRUCTURE
Upper Structure Removal
Turntable and Bearing
Swing Drive Motor
Brake
Reducer
Hydraulic Swivel
Valve Bank Assembly
Main Tandem Pump
Disassembly
Inspection
Sub Assemblies
Final Assembly
Taper Bearing
Installation and Run-In
Engine Maintenance and Service
In-Line Oil Filters
Counterweight
Adjusting Control Pedal Linkage
Hydraulic Oil Reservoir
Oil Screen
FuelTank
Air Cleaner
BOOMS
YC Boom
Main Boom
Tool Boom
Tool Boom Extension Removal
EC Boom
Main Boom
Grapples
HYDRAULIC SYSTEM
General Information
Overall Hydraulic Circuit
Reservoir Hydraulic Circuit
Pump Hydraulic Circuit
Filters Hydraulic Circuit
Work Cylinders Hydraulic Circuit - (Hoist, Crowd and Tool)
Swing Motor Hydraulic Circuit
Swivel Motor Hydraulic Circuit
Drive Motors Hydraulic Circuit
Leveler Cylinders Hydraulic
Circuit
Brakes Hydraulic Circuit
Trouble Shooting
Checking Hydraulic Pressures
Pump
Hydraulic System
Valves
ELECTRICAL
General Information
Wiring Harness Inspection
GENERAL TORQUE SPECIFICATIONS
Capscrews and Studs
Hydraulic Fittings