Drott 35B, 40B, 40BLC, 50B Excavator Service Manual

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SKU: OM-0388 Categories: , Tags: , , ,
  • Covers Drott 35B, 40B, 40BLC, 50B Series B Crawler Excavator
  • P/N S406173M2
  • 231 pages
  • Downloadable PDF format
  • Bookmarked chapters, searchable, printable
  • 66mb
  • Works with Windows and Mac computers

The Drott 35B, 40B, 40BLC, 50B Excavator Service Manual includes specifications, step-by-step instructions and accurate illustrations to aid mechanics with any mechanical, electrical or hydraulic repairs. The complete service manual was carefully reproduced from the original dealer manual and is a must for mechanics repairing or rebuilding their Drott 35B, 40B, 40BLC, 50B Excavator to the manufacturer’s standards. The Drott 35B, 40B, 40BLC, 50B Excavator Service Manual is also referred to as the shop manual or repair manual. View the service manual on your computer/tablet or print off pages as needed.

Topics in the Drott 35B, 40B, 40BLC, 50B Excavator Service Manual:

GENERAL INFORMATION
Safety Precautions
Nomenclature
Introduction
Safety Symbols
Directional Reference

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
Troubleshooting
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°) 99H
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 Circui
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 (Wiring Diagram)

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