Table Of Contents - Etesia HYDRO 124D Technical Training Manual

Table of Contents

Presentation/Contents3
All Hydraulic3
Steering3
Cutting System3
Grassbox4
Engine6
Arguments6
Technical Specifications7
Alternator7
Power Curves/Consumption/Torque8
Lubrication8
Air Supply Circuit9
Air Filter9
Cooling System10
Engine Cold10
Engine Hot11
Fuel Supply System12
Breakdowns And Their Possible Causes13
Anomalies On Ldw903Focs Engine14
Memento Ldw 903 Focs.15
Fuel System15
Cylinder Head15
Tightening Torques16
Engine Oil Pressure16
Thermostate Valve16
Hydraulic Training17
Hydraulics18
Table Of Contents18
General Points19
Hydraulic System19
The Equipment Circuit20
Power Unit20
Introduction20
1) General Points20
The External Gear Pump21
Control22
The Control Valves22
Operating Principle22
Grassbox Controls23
The Pressure Limiting Devices25
Symbols25
Applied To A Circuit25
The Flow Limiters26
2) Pressure Limiting Devices26
The Safety Valves Or Parachute Valves27
Application To The Hydro 124D27
Function27
The Receivers28
The Rams28
Diagram28
2) Hydraulic Steering (Orbitrol)29
The Drive Transmission Circuit30
Power Unit : Axial-Piston Pump30
Operation31
Notion Of Internal And External Leakage31
Control: The Flow Divider32
Slow Internal Gear Motors33
Formulae Used34
Measurement Of The Pressure Of The Transmission Circuit38
Checking The Efficiency Of The Drive Transmission System38
The Negative Effects Of Modifications To The Settings39
Increase In Engine Speed39
Oils41
Presence Of Water41
Oxidation41
Anti-Wear Resistance41
Presence Of Air42
Application to the L'hydro 124 D42
Mounting A Flexible Hose43
Pollution44
Nature Of Solid Pollutants45
Types Of Particles45
Coarse Pollution45
Ultra-Fine Pollution46
Pollution Of A Fluid47
Where Does Solid Pollution Come From47
Oil Returner Filter48
Equipment Circuit Hydraulic Diagram49
Drive Transmission Circuit Hydraulic Diagram50
Electrical Training51
Electrical Module53
The Electrical Harnesses54
The Safety Contactors Or Limit Switches55
The Switches56
The Ignition Switch57
The Monitors58
The Audible Warnings58
The Revolving Warning Light58
Operation Of The Hydro 124D59
The Control Valve Coils59
Description Of The Safety Functions60
The Engine Can Only Be Started If60
From The Point Of View Of The Contactors And Switches60
The Engine Is Stopped If61
The Blade Clutch Is On If62
From The Point Of View Of The Contactors62
Emptying The Basket63
Emptying On The Ground63
Detail63
Opening/Closing63
Point Of View Of The Inputs And Outputs To The Electric Module64
Emptying When Raised65
Breakdowns And Their Probable Causes67
Exploded View73
Regular Maintenance74
Service After 1St 50 Hours75
Engine Maintenance76
Settings77
Adjustment Of The Electro-Jack Travel (Cutting Height)77
Adjustment Of The Cutting Deck78
Left-Right Alignment78
Front-Rear Tilt78
Adjustment Of The Drive Transmission79
Hydraulic Zero79
Mechanical Zero79
Electrical Zero79