Drott 40YR, 40ER Cruz-Air Wheeled Excavator Service Manual S406062M3 English
Brand: CASE Construction / Drott
Product Range: Wheeled Excavator
Publication Type: Service Manual
Equipment Model: 40YR, 40ER Cruz-Air Excavator
Serial Number: -
Publication Number: S406062M3, S-406062M3
Issued: Printed in U.S.A. (Reprinted)
Language: English
Pages: 186
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 book has been prepared as a guide to the mechanic in servicing the DROTT CRUZ-AIR. It is intended to tell the mechanic how the machine works anti to help him understand why a malfunction has occurred as well as to tell him how to repair the machine. This is especially true of sections dealing with Hydraulic System Repair.
Sections A through E of this manual deal with the mechanical components of the machine and their controls. Troubleshooting information for a given component will be found in the section in which it is described.
Sections F through H deal with the Hydraulic System of the machine. These sections contain no overhaul or repair information, but are intended to help the mechanic in another way, by describing how a hydraulic system works, what the components of the Cruz-air hydraulic system are, how to keep those components in good repair, and how to pinpoint hydraulic problems. This manual is designed to help you prevent trouble, rather than repair damage that has already been done.
Overhaul Instructions begin with section J, if you care for your machine properly, you may never need them.
Table of Contents
GENERAL
Introduction
Nomenclature
Table of Contents
Warranty
MECHANICAL COMPONENTS AND CONTROLS
ELECTRICAL SYSTEM
Description
Trouble Shooting
ENGINE AND THROTTLE LINKAGE
Description
Adjustments
Master Cylinder
Slave Cylinder
Trouble Shooting Master /Slave Cylinder
Hydraulic Systems (see section "C")
BRAKES AND BRAKE LINKAGE
General Description
Bleeding
Master Cylinder
Swivel
Power System with troubleshooting information
Mico Brake Lock with troubleshooting information
Wheel Brakes
Parking Brakes
Trouble Shooting Master/ Slave Cylinder
Hydraulic Systems
DRIVE CONTROLS AND DRIVE LINE
Controls, with troubleshooting information
Revers-o-matic, with test procedures
Shift and Outrigger Control Linkage
Drop Box
Axle Drive Unit (differential)
Trouble Shooting Differential
Wheel Drive Unit (planetary)
Trouble Shooting Planetary
Torque Specifications for Differential and Planetary Drive Units
Steering Linkage to Drive Wheels
Trouble Shooting Drive Controls
SWING MECHANISM
Description
Swing Brake Overhaul
Swing Reduction Gearbox
Replacing Turntable Bearing and Positioning Swina Pinion
HYDRAULIC SYSTEM
GUIDE TO THE 40R HYDRAULIC SYSTEM
What is a Hydraulic System?
Schematic Diagrams
Description of 40R Hydraulic System
Pumps
Control Valves
Relief Valves
Low Pressure Components
Steering Controls
Optional Equipment
RELIEF PRESSURE CHECK
Why Check Relief Pressure?
Relief Pressure Check Procedures
Relief Pressure Charts
TROUBLESHOOTING THE 40R HYDRAULIC SYSTEM
Why Trouble Shooting?
Trouble Shooting Procedures
Pumps
Swivel
Control Valves
Steering Orbitrol
Relief Valves
Swing Motor
Cylinders
Trouble Shooting Charts
Pump
General Hydraulic System Malfunctions
Valve Banks
Swing Circuit
Outrigger, Hoist, Crowd, Tool Circuits
Steering Circuit
MAIN PUMP OVERHAUL PROCEDURE
STEERING PUMP OVERHAUL PROCEDURE
SWIVEL OVERHAUL procedure
CONTROL VALVE OVERHAUL PROCEDURE
ORBITROL OVERHAUL
SWING MOTOR OVERHAUL PROCEDURE
CYLINDER OVERHAUL PROCEDURE
GENERAL TORQUE SPECIFICATIONS
Capscrews and Studs
Hydraulic Fittings