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General| Engine Make | Kubota |
|---|---|
| Fuel Type | Diesel |
| Feed System | Hydraulic |
| Engine | Diesel |
| Width | 35 in (89 cm) |
| Cutting Width | 74 inches |
| Track Width | 7 inches (18 cm) |
| Dimensions | 35 in (W) |
| Fuel Tank Capacity | 15 gallons |
Guidance on storing and using the operator's manual and related documents.
Introduces the safety section, mentioning precautions and warning signs.
Explains how parts are identified and located through illustrations.
Describes the operation section's purpose for new and experienced operators.
Introduces the maintenance section as a guide to equipment care and schedules.
Details on using the service hour meter for determining servicing intervals.
Emphasizes the owner's responsibility for engine maintenance as per manuals.
States warnings regarding diesel exhaust and battery components.
Provides details about the Rayco RG74DXH, its engine, and emissions compliance.
Lists general specifications like weight, dimensions, chassis, tires, and engine details.
Details specifications for the hydraulic system and cutter components.
Lists specifications related to the cutting wheel, its diameter, thickness, RPM, and range.
Explains the importance of serial numbers and where to find them on the machine.
Provides a table to record machine, engine, and implement serial numbers.
Provides fields to record dealer contact and service information.
Stresses the importance of following safety rules to avoid accidents and injuries.
Explains the usage of the "Safety Alert" symbol and signal words (DANGER, WARNING, CAUTION).
Lists general warnings for operating the machine safely, including warnings about exhaust.
Details required PPE like head, eye, hearing protection, gloves, clothing, and footwear.
Warns about hazards of using pressurized air/water and required PPE.
Explains the danger of trapped pressure in hydraulic systems and fluid penetration.
Provides guidelines for handling asbestos parts and recommends respiratory protection.
Guides proper waste disposal and containing fluid spills during maintenance.
Details hazards like being crushed under the machine or by moving parts.
Warns about hot oil and components and safe procedures for handling them.
Warns about electrolyte hazards and recommends protective measures when servicing batteries.
Discusses flammability of fuels, lubricants, and coolants, and fire prevention precautions.
Advises on inspecting and maintaining lines and hoses to prevent leaks and fires.
Stresses having and using fire extinguishers and safe handling of ether starting fluid.
Advises on safety during electrical storms, especially when operating or near the machine.
Covers pre-operation checks, guard importance, and visibility considerations.
Advises on welding precautions and emphasizes the importance of safety decals.
Advises on walk-around inspections and maintaining situational awareness during operation.
Details how to start the engine safely from the operator compartment.
Covers general safety practices during operation, like never allowing riders or operating under influence.
Provides critical points for safe operation on slopes, considering speed, terrain, and load.
Recommends using approved work tools and safely lowering equipment when engine is stopped.
Summarizes procedures for lockout/tag-out to prevent accidental energization during maintenance.
Instructions for safe parking and performing maintenance with wheels blocked.
Lists pre-transport checks and provides crucial advice on preventing trailer "whipping".
Guidelines for loading, slowing down, and general towing practices.
Explains safety chains, brake cables, lighting, and the importance of the photo-eye.
Details the steps for safely unloading the machine from the trailer.
Lists key components of the RG74DXH machine with corresponding numbers.
Outlines pre-operation checks like reviewing decals, guards, and teeth condition.
Advises inspecting the hydraulic system for leaks and checking the oil level.
Emphasizes understanding and heeding safety instructions before operating.
Details steps for warming up the engine and hydraulic oil before full operation.
Explains levers for cutting wheel, tongue, and engagement.
Details the procedure for installing/removing the lock-pin for the telescoping tongue.
Describes the trailer hitch and safety chains for securing the machine.
Describes the quick-connect station for operating trailer lights and brakes.
Explains how the electric brake system operates and requires periodical adjustments.
Advises on setting the brake controller for synchronization with tow vehicle brakes.
Step-by-step instructions for starting the machine using jumper cables.
Instructions for stump removal and precautions for using the cutting wheel.
Detailed steps for preparing, cutting, and removing stumps.
Steps to safely stop the machine, including cycling controls and stopping the cutting wheel.
Steps to stop the engine and instructions for parking the machine safely.
Guidance on preparing the machine for storage, including cleaning and protecting surfaces.
Discusses engine oil consumption and recommended oil specifications.
Advises using only Ultra Low Sulfur Diesel Fuel and checking the operator manual.
Details factory-filled hydraulic fluid and recommendations for refilling with compatible oils.
Specifies the approved biodegradable hydraulic oil and draining mineral oils.
Instructions on checking grease fittings, using the correct grease gun, and recommended grease types.
Advice on ensuring oil flow in cold weather and specific oil grades for low temperatures.
Recommends specific coolant types and adherence to GM specifications for protection.
Guidelines for maintaining freeze point, testing coolant, and topping up levels.
Advises on correct antifreeze mixing ratios for cooling system top-up.
General information on torque values, fastener types, and hardware preparation.
Provides torque values for various SAE and Metric bolt sizes and O-Ring Face Seal fittings.
Specifies torque values for initial installation and retightening of worm drive hose clamps.
Lists common hydraulic problems, their causes, and solutions.
Identifies drive system issues, causes, and recommended solutions.
Covers troubleshooting for engine starting, power loss, and battery issues.
Emphasizes owner responsibility for engine maintenance and safety during service.
States warnings regarding diesel exhaust and battery components.
States that maintenance and repairs should only be done by trained specialists.
Lists maintenance tasks based on intervals like daily, 50, 250, and 500 hours.
Provides a log for recording service dates, machine hours, and maintenance performed.
Introduces the maintenance schedule and procedures for equipment care.
Explains how to use service hour meters and calendar intervals for scheduling maintenance.
Details items to inspect during a walk-around for maximum service life.
Instructions on checking engine oil level when the machine is on a level position.
Step-by-step guide for changing the engine oil, including filter replacement.
Steps for checking, filling, and draining the fuel tank with safety precautions.
Instructions for changing the fuel filter as per the Cummins Engine Manual.
Procedures for draining the fuel tank according to local environmental regulations.
Instructions for draining water and replacing elements in the fuel system water separator.
Details on checking and filling the hydraulic oil tank with safety warnings.
Steps for draining hydraulic oil, including removing the breather cap and loosening fittings.
Procedures for cleaning the fill area and filling the hydraulic oil tank to the correct level.
Instructions for changing the hydraulic oil filter, including applying oil to the gasket.
States that the coolant level should be checked daily and provides checking procedures.
Steps for refilling the radiator and checking fluid levels with a caution for hot engines.
Instructions for cleaning and replacing air cleaner cartridges.
Details on cleaning/replacing air filter cartridges and operating the dust ejector valve.
Steps for checking and adjusting the electrolyte level in the battery.
Procedures for cleaning battery terminals and applying petroleum jelly.
Explains the importance of cutting teeth and the need for frequent observation and replacement.
Recommends genuine Rayco tools and discusses dynamic balancing for reduced vibration.
Discusses tooth projection for efficient cutting and carbide tip size impact.
Notes on debris retention and safety warnings for changing teeth.
Advises having carbide teeth sharpened by a machinist and provides sharpening guidelines.
Warns against greasing spinning bearings and details daily lubrication procedure.
Refers to manuals for checking engine leaks and advises checking engine mounts.
Warns about belt dangers and provides procedure for checking and adjusting belt tension.
Introduces the Smart Tension App for iPhone users to check belt tension.
Explains the importance of proper belt tension for longevity and preventing slippage.
Steps to tighten or loosen the belt by pivoting the hydraulic motor.
How to verify the emergency stop function by raising a wheel and activating the cable.
Engine checks, valve clearance, grease & oil cleanup, and pivot lubrication.
Instructions for lubricating the inside tube of the telescoping tongue.
Lists the part number for the engine oil filter.
Lists part numbers for primary and secondary fuel filters.
Lists part numbers for cutter pump charge filter and restriction indicator.
Lists the part number for the hydraulic tank filter element.
Lists part numbers for the inner air filter cartridge and service indicator.
Lists the part numbers for the fuel cap and engine key.
Lists the part numbers for various manuals provided with the machine.
Lists part numbers for different types of cutter wheel teeth.
Outlines the general warranty terms and conditions for Rayco products.
Details warranties for individual components like engines, hydraulics, and batteries.
Lists items for which Rayco is not responsible under the warranty.
Explains conditions under which the warranty is voided due to modifications.
Describes the process for obtaining warranty service from a Rayco dealer.
States that no implied warranties of merchantability or fitness are made.
Limits Rayco's liability for incidental or consequential damages.
Clarifies that dealers make no warranties of their own unless explicitly stated.
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