Drott 35, 40, 50 Series B Excavator Service Repair Manual Download

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This professionally reproduced factory service manual contains the service procedures for the 35, 40, 50 Series B Drott crawler excavators. View the service manual on your computer or print off pages as needed.

Topic List:

GENERAL
Table of Contents
Safety Precautions
Nomenclature
Introduction
Safety Symbols
Directional Reference
Parts and Service
SCHEDULED MAINTENANCE
Introduction
Cleaning Soundproofing Insulation
Spark Arrestors
Lubricant and Fluid Recommendations
Hydraulic Oil Recommendations
Component Lubricants and Fluid Specifications
Hydraulic System Operating Pressures
Preventive Maintenance Schedule
Lubrication and Service Chart
Pictorial Listing of Grease Fitting Locations
Itemized Maintenance Instructions
Hydraulic Oil Filters
Hydraulic Reservoir
Hydraulic Oil Filter Screen {in-tank)
Swing Reduction Gearbox
Final Drive Transmissions .
Turntable Open Gear
Engine
Engine Coolant
Oil Cooler
Batteries
Air Cleaner
Fuel Tank
CRAWLER UNDERCARRIAGE
General Description
Frames
Track Shoes
Track Rollers
Track Drive Motors
Track Drive Brake
Adjustment
Removal
Disassembly
Inspection and Repair
Mounting Track Brake to Final Drive Transmission
Final Drive Transmission
Trouble Shooting
Removal
Disassembly, Inspection and Re-assembly
Disassembly, Inspection and Re-assembly (40LC only)
Scheduled Maintenance (40LC only)
Track Adjustment Cylinder
Idler Wheel
Carbody and Carbody Leveler
Carbody Leveler Cylinder
Trouble Shooting – Tracks
UPPERSTRUCTURE
Replacing the Turntable Bearing
Removing the Upper
Checking Bearing Mounting Surface
Installing Bearing to Upper
Installing Upper to Lower
Torquing Procedure
Turntable Bearing Noise
Replacing Turntable on Machine without Machined Bearing Mounting Surface
Swing Mechanism
Brake
Reduction Gearbox (2 piece output shaft)
Reduction Gearbox (1 piece output shaft)
Motor
Reduction Gearbox
Shimming the Gearbox
Disassembly and Repair
Installation
HYDRAULIC SYSTEM AND COMPONENTS
Introduction to Hydraulics
Troubleshooting
Flushing Procedure
Basic System Flow Diagrams
Main Tandem Pump
Description .
Checking Gallonage Output
Removal
Disassembly, Inspection and Reassembly for:
Main Pump (used on 35 Crawlers
Main Pump (used on 40 and 50 Crawlers)
Swing Motors
Installation of Pump Drive
Pump Breakin Procedure
Track Drive Motor (40BLC and 50LC)
Removal and Repair
Clam Rotary Actuator (270°)
Hydraulic Swivel
Valve Banks
Description
Removal
Power Beyond Plug
Deviation of Valve Body
Series Spool – Seal Replacement
Parallel Spool – Seal Replacement
Main Relief Valve
Relief cartridge in Leveler Valve
Disassembly of Main Relief
Port Relief Valve
Swing Cross-Over Relief Valve
Track Brake Valve
Check Valves
Flow Regulators
Hydraulic Cylinders
Trouble Shooting Guides
Oil Flow Diagrams for:
Tool Cylinder Circuit
Crowd Cylinder Circuit
Hoist Cylinder Circuit
Leveler Cylinder Circuit
Swing Circuit
Track Drive Circuit
Track Brake and Drain Circuit
Feller/Buncher Circuit
Feller/Buncher Collector Circuit
ELECTRICAL
General Description
Battery Care
General Trouble Shooting
Trouble Shooting Guide
LOGGER
General Description
Feller/Buncher Maintenance
Feller/Buncher Collector
Rotary Cutter
MISCELLANEOUS
Torque Charts
Hydraulic Schematic
Electrical Schematic

Covers: Drott 35, 40, 50 Crawler Excavators (“Series B”)
Pages: 224
Format: PDF
Compatibility: Windows/Mac/Tablet
Note: Instant digital download only – no printed copy or CD-ROM media.