Gehl Wheel Loader 418T Operator’s Manual(909879) – PDF DOWNLOAD

Gehl Wheel Loader 418T Operator’s Manual(909879) – PDF DOWNLOAD

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Gehl Wheel Loader 418T Operator’s Manual(909879) – PDF DOWNLOAD

Introduction 
1.1 Notes on this operator’s manual

• This operator’s manual contains important information on how to work safely, correctly and economically with the wheel loader model 418T. Therefore, it aims not only at new operators, but it is also a reference for experienced ones. It helps to avoid dangerous situations, and reduce repair costs and downtimes. Furthermore, the reliability and the service life of the machine will be increased by following the instructions in the operator’s manual. This is why the operator’s manual must always be kept in the machine.
• Your own safety, as well as the safety of others, depends to a great extent on how the machine is moved and operated. Therefore, carefully read and understand this operator’s manual prior to the first use. This operator’s manual will help to familiarize yourself more easily with the machine, thereby enabling you to use it more safely and efficiently.
• General safety instructions are given in Part 2 of this operator’s manual. Carefully read and understand them prior to the first drive. As a rule, keep the following in mind:

Careful and prudent working is the best way to avoid accidents!

• Special safety instructions with direct reference to service, function and operator’s of the machine are given before the procedure to follow in the respective chapters. These safety instructions must always be observed and followed.
• Operational safety and readiness of the machine do not only depend on your skill, but also on maintenance and service of the machine. This is why regular maintenance and service work is absolutely necessary. Extensive maintenance and repair work should always be carried out by an expert with appropriate training. Insist on using original service parts when performing maintenance and repair work. This ensures operational safety and readiness of your machine, and maintains its value.
• Your dealer will be pleased to answer any further questions regarding the machine or the operator’s manual.

TABLE OF CONTENTS:

Gehl Wheel Loader 418T Operator’s Manual(909879) – PDF DOWNLOAD

Introduction
Introduction …………………………………………………………………………………………………….. 1-1
Notes on this operator’s manual ………………………………………………………………….. 1-1
Machine: Overview ……………………………………………………………………………………… 1-2
Brief description ………………………………………………………………………………………….. 1-3
Applications ……………………………………………………………………………………………….. 1-4
Regulations………………………………………………………………………………………………… 1-5
Machine data ……………………………………………………………………………………………… 1-6
Type labels and component numbers…………………………………………………………….. 1-7
Safety signs and symbols …………………………………………………………………………… 1-8
Safety instructions
Safety instructions ……………………………………………………………………………………………. 2-1
Identification of warnings and dangers …………………………………………………………. 2-1
Designated uses…………………………………………………………………………………………. 2-2
General conduct and safety instructions…………………………………………………………. 2-3
Safety instructions regarding operation ………………………………………………………….. 2-5
Safety instructions for service and maintenance ……………………………………………… 2-9
Warning of special hazards ……………………………………………………………………….. 2-11
Operation
Operation ……………………………………………………………………………………………………….. 3-1
Overview of cab …………………………………………………………………………………………. 3-2
Overview: Multifunctional lever and consoles ………………………………………………… 3-4
Placing into service …………………………………………………………………………………….. 3-5
Safety instructions ………………………………………………………………………………… 3-5
Placing the machine into service for the first time ……………………………………… 3-5
Checklists ……………………………………………………………………………………………. 3-6
Driving the machine…………………………………………………………………………………….. 3-8
Overview of controls: ……………………………………………………………………………. 3-8
Warning Lights: overview …………………………………………………………………….. 3-13
Before starting the engine ……………………………………………………………………. 3-16
Starting the engine ……………………………………………………………………………… 3-16
Before driving the machine……………………………………………………………………. 3-20
Driving ………………………………………………………………………………………………. 3-22
Drive ranges ……………………………………………………………………………………….. 3-23
Differential lock……………………………………………………………………………………. 3-25
Stopping the machine ………………………………………………………………………….. 3-25
Parking the machine…………………………………………………………………………….. 3-26
Light system ……………………………………………………………………………………….. 3-27
Signalling system…………………………………………………………………………………. 3-28
Cab heating and ventilation…………………………………………………………………… 3-29
Window wash system…………………………………………………………………………… 3-30
Seat adjustment…………………………………………………………………………………… 3-31
Seat belt …………………………………………………………………………………………….. 3-33
Driver’s door and side window……………………………………………………………….. 3-35
Other controls……………………………………………………………………………………… 3-38
Towing and transporting the machine …………………………………………………….. 3-39
Working with the machine ………………………………………………………………………….. 3-42
General safety instructions …………………………………………………………………… 3-42
Load diagram ……………………………………………………………………………………… 3-42
Safe load indicator……………………………………………………………………………….. 3-43
Control valve for the telescopic unit: overview …………………………………………. 3-45
Lowering the telescopic unit with the engine switched off ………………………….. 3-47
Relieving pressure the quick couplers on the telescopic unit ……………………. 3-47
Installing an attachment ……………………………………………………………………….. 3-48
Connecting pressurized quick couplers ………………………………………………….. 3-51
Operation of the telescopic unit ……………………………………………………………… 3-53
Safety device “Hose burst valve“ ……………………………………………………………. 3-55
Working with standard bucket and pallet forks …………………………………………. 3-58
Working with pallet forks……………………………………………………………………….. 3-66
Troubleshooting
Troubleshooting ………………………………………………………………………………………………. 4-1
Engine trouble ……………………………………………………………………………………………. 4-2
Possible causes for malfunctions …………………………………………………………….. 4-3
Maintenance
Maintenance ……………………………………………………………………………………………………. 5-1
Introduction ……………………………………………………………………………………………….. 5-1
Fuel system ……………………………………………………………………………………………….. 5-1
Specific safety instructions …………………………………………………………………….. 5-1
Refuelling……………………………………………………………………………………………… 5-2
Cleaning the fuel tank ……………………………………………………………………………. 5-3
Changing the fuel filter……………………………………………………………………………. 5-4
Cleaning the fuel/water separator…………………………………………………………….. 5-5
Bleeding the fuel system…………………………………………………………………………. 5-6
Engine lubrication system …………………………………………………………………………….. 5-7
Checking the engine oil level ………………………………………………………………….. 5-7
Topping up the engine oil ………………………………………………………………………. 5-7
Changing the engine oil ………………………………………………………………………….. 5-8
Changing the engine oil filter cartridge ……………………………………………………… 5-9
Engine and hydraulics cooling system………………………………………………………….. 5-10
Specific safety instructions …………………………………………………………………… 5-10
Checking the coolant level/topping up the coolant level ……………………………. 5-11
Cleaning the cooling fins ………………………………………………………………………. 5-12
Air filter ……………………………………………………………………………………………………. 5-13
V-belt……………………………………………………………………………………………………….. 5-15
Checking the V-belt tension ………………………………………………………………….. 5-15
Re-tensioning the V-belt ………………………………………………………………………. 5-15
Hydraulic system……………………………………………………………………………………….. 5-16
Specific safety instructions …………………………………………………………………… 5-16
Checking the hydraulic oil level …………………………………………………………….. 5-16
Topping up the hydraulic oil…………………………………………………………………… 5-17
Changing the hydraulic oil ……………………………………………………………………. 5-17
Hydraulic oil return filter ………………………………………………………………………… 5-20
Replacing the breather filter ………………………………………………………………….. 5-21
Hydraulic pressure lines ………………………………………………………………………. 5-21
Gearboxes and axles ………………………………………………………………………………… 5-22
Rear axle transfer gearbox …………………………………………………………………… 5-22
Front and rear axle differentials ……………………………………………………………… 5-24
Front and rear axle planetary drives ………………………………………………………. 5-25
Lubricating the rear axle oscillation-type bearing ……………………………………… 5-26
Maintenance of the brake system………………………………………………………………… 5-27
Specific safety instructions …………………………………………………………………… 5-27
Checking/topping up brake fluid ……………………………………………………………. 5-27
Telescopic unit………………………………………………………………………………………….. 5-28
Lubricating the pivot points of the telescopic unit …………………………………….. 5-28
Lubricating the telescopic unit ………………………………………………………………. 5-28
Adjusting the wear pads ……………………………………………………………………….. 5-29
Tire care ………………………………………………………………………………………………….. 5-30
Inspection work …………………………………………………………………………………… 5-30
Wheel change……………………………………………………………………………………… 5-31
Heating ……………………………………………………………………………………………………. 5-32
Cleaning the dust filter of the heating system ………………………………………….. 5-32
Electrical system……………………………………………………………………………………….. 5-33
Specific safety instructions …………………………………………………………………… 5-33
Service and maintenance work at regular intervals ………………………………….. 5-33
Instructions concerning specific components…………………………………………… 5-34
General maintenance work…………………………………………………………………………. 5-36
Cleaning ……………………………………………………………………………………………. 5-36
Bolted connections ………………………………………………………………………………. 5-38
Pivots and hinges ……………………………………………………………………………….. 5-38
Engine fluids and lubricants ………………………………………………………………………. 5-39
Maintenance kits ………………………………………………………………………………………. 5-40
Helpful information for using the service parts list
Helpful information for using the service parts list ………………………………………………… 6-1
Introduction ……………………………………………………………………………………………….. 6-1
Composition of service parts list …………………………………………………………………… 6-1
Groups ………………………………………………………………………………………………… 6-1
Group overview …………………………………………………………………………………….. 6-2
Figures…………………………………………………………………………………………………. 6-3
Number index ………………………………………………………………………………………. 6-3
Symbols and abbreviations ………………………………………………………………………….. 6-4
Description of symbols ………………………………………………………………………….. 6-4
Abbreviations………………………………………………………………………………………… 6-6
Machine data …………………………………………………………………………………………….. 6-6
Helpful information for ordering service parts ………………………………………………….. 6-7
Order information ………………………………………………………………………………….. 6-7
Address for your service part order ………………………………………………………….. 6-8
Specifications
Specifications ………………………………………………………………………………………………….. 7-1
Frame ………………………………………………………………………………………………………. 7-1
Engine ……………………………………………………………………………………………………… 7-1
Power train ………………………………………………………………………………………………… 7-2
Axles ……………………………………………………………………………………………………….. 7-2
Brakes ……………………………………………………………………………………………………… 7-3
Steering …………………………………………………………………………………………………… 7-3
Work hydraulics ………………………………………………………………………………………… 7-3
Telescopic unit ………………………………………………………………………………………….. 7-4
Electrical system ………………………………………………………………………………………… 7-5
Fuse boxes in side console ……………………………………………………………………. 7-5
Main fuses in engine compartment ………………………………………………………….. 7-6
Relays …………………………………………………………………………………………………. 7-6
Tires………………………………………………………………………………………………………….. 7-7
Weights ……………………………………………………………………………………………………. 7-7
Noise levels ………………………………………………………………………………………………. 7-7
Vibration ……………………………………………………………………………………………………. 7-8
Dimensions ………………………………………………………………………………………………. 7-8
Coolant table………………………………………………………………………………………………. 7-9
Tightening torques ……………………………………………………………………………………… 7-9
General tightening torques …………………………………………………………………….. 7-9
Specific tightening torques …………………………………………………………………….. 7-9
Conversion tables …………………………………………………………………………………….. 7-10
Conversion factors ………………………………………………………………………………. 7-10
Specific converted values …………………………………………………………………….. 7-11
Annex
Proofs of maintenance …………………………………………………………………………………….. A-1
Maintenance plan model 418T (overview) ………………………………………………………….. A-3
Maintenance plan model
418T (maintenance label) ………………………………………………………………………………… A-5
Explanation of symbols used in maintenance plan ………………………………………….. A-5
Legend for hydraulics diagram,
model 418T ❙➜418T 0001 …………………………………………………………………………. A-6
Hydraulics diagram model 418T ……………………………………………………………………….. A-7
Electrical diagram 418T …………………………………………………………………………………… A-9