Drott 30, 35, 40, 50 Series A Excavator Service Manual

Covers: Drott 30, 35, 40, 50 Crawler Excavators (“Series A”)
Pages: 121
Format: PDF
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

This professionally reproduced factory service manual contains service procedures for the Drott Series A 30, 35, 40, 50 EC/YC crawler excavator.

Topic List:

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

UPPERSTRUCTURE
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
Fuel Tank
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
Troublt’t Shooting
Checking Hydraulic Pressures
Pump
Hydraulic System
Valves

ELECTRICAL
General Information
Wiring Harness Inspection

GENERAL TORQUE SPECIFICATIONS
Capscrews and Studs
Hydraulic Fittings

Example content (actual manual may vary):

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