Yeoman 8455, 8456 manual Replacing Parts, Main Burner, Pilot Unit

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SERVICING INSTRUCTIONS

REPLACING PARTS

1.GENERAL

1.1All main components can be replaced without removing the

stove from its installation. IT IS ESSENTIAL THAT THE GAS SUPPLY

TO THE STOVE IS TURNED OFF AT THE ISOLATION DEVICE BEFORE PROCEEDING FURTHER.

1.2If you need to remove the flue from the stove, you must replace its seals.

2.MAIN BURNER

2.1Turn the gas supply off at the isolation device. Ensure the unit is cool.

•Remove the door and place to one side

•Remove the ceramic fuel bed components carefully

•Remove the three securing screws, two at the rear and one at the front left hand side, Diagram 1

The burner venturi is engaged over the injector. When removing the burner make sure you clear the injector to free up the right side of the burner.

Take care too not to damage the pilot when removing the burner.

•Raise the left-hand side of the burner to clear the bracket and draw forward

1

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2.2To replace the burner

•Engage the venturi over the injector making sure the burner sits on top of the bracket

•Push the burner to the right and hold to insert the three screws

NOTE: BEFORE REPLACING THE BURNER, ENSURE THE SILICONE SEAL AROUND THE INJECTOR IS INTACT AND CHECK THE VENTURI COVER IS ATTACHED.

3. PILOT UNIT

The pilot assembly has five components you can change:

1)Pilot burner bracket

2)Pilot injector

3)Electrode

4)Thermocouple

5)Gasket

3.1• Turn the gas supply off at the isolation device

• Remove the door and place to one side

• Remove the ceramic fuel bed components carefully

• Refer to Section 2 to remove the main burner

• Remove the thermocouple baffle taking note of how it is positioned in Diagram 2

2

thermo baffle

AR1609

•Remove the two fixing screws from the pilot bracket, Diagram 3.

•Gently draw the assembly out of the firebox to access the nuts and ignition lead

NOTE: TAKE CARE NOT TO DAMAGE THE GASKET

3

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Contents Dartmoor Contents Appliance Commissioning Checklist Flue Check PassGAS Check General User InstructionsLighting the Stove Turning the Stove OFFStandard Remote Control Yeoman Part Number YM-8455 Cleaning the FireUpgrading Your Stove Single DoorFuel BED Arrangement Advice on Handling and disposal of fire ceramics104 Flame Failure Device Installation DetailsRunning ServicingInstallation Instructions Technical SpecificationQty Description Site Requirements Flue and Chimney RequirementsTimber Framed Buildings Rear Flue Control Upgrade InstallationSafety Precautions Installation of the StoveTOP Flue UP and OUT KIT TOP ExitTOP Flue UP and OUT with Additional Bend TOP Flue Vertical Offset KIT ALL FiresGAS Supply Optional Extra Flue Lengths and BendsNominal Actual Stainless Anthracite Canopy FittingFuel BED Arrangement 124 Commissioning CommissioningSERVICING/FAULT Finding Servicing InstructionsServicing Requirements Servicing Instructions Replacing Parts Main BurnerPilot Unit Ignition Lead Magnetic Safety Valve PiezoGAS Valve Primary Aeration Plate Main InjectorShort Spares List Changing Between GAS Types3RD Service 4TH Service Service Records

8456, 8455 specifications

The Yeoman 8455 and 8456 are significant advancements in the field of agricultural machinery, specifically designed to enhance productivity and efficiency for modern farming operations. These models exemplify innovation, boasting a range of features and technologies tailored to meet the diverse needs of farmers.

One of the main features of the Yeoman 8455 and 8456 is the robust construction, ensuring durability and longevity in various farming conditions. These machines are engineered with high-quality materials that withstand heavy use, reducing maintenance costs and downtime. The design also incorporates a user-friendly interface, making it accessible for operators with different levels of experience.

In terms of technology, the Yeoman series offers precision agriculture capabilities. Equipped with advanced GPS and mapping systems, these machines allow farmers to optimize their fieldwork by providing highly accurate planting and harvesting patterns. This technology not only improves yield but also contributes to sustainable farming practices by minimizing waste and maximizing efficiency.

The Yeoman 8455 and 8456 feature powerful engines that produce high torque, enabling them to perform well in challenging terrains. This strength is complemented by an advanced hydraulic system, facilitating smoother operation and better control over attachments and implements. Farmers can easily attach various tools, such as plows, seeders, and cultivators, enhancing the versatility of these models.

Another critical characteristic of the Yeoman 8455 and 8456 is their exceptional fuel efficiency. These models are designed to consume less fuel without compromising performance, which is especially important in today’s economy. The integration of eco-friendly technologies also helps reduce the environmental impact of farming operations, aligning with the global push towards sustainability.

Additionally, the comfort and ergonomics of the operator cabin are significant selling points. Both models are equipped with adjustable seating, climate control, and intuitive control panels, ensuring that operators can work for extended periods with minimal fatigue. Furthermore, enhanced visibility from the cabin allows for safer operation, particularly in crowded or intricate field settings.

In conclusion, the Yeoman 8455 and 8456 stand out as exemplary pieces of equipment in the agricultural industry. Their combination of robust construction, advanced technology, fuel efficiency, and operator comfort positions them as valuable assets for modern farmers looking to improve their productivity and sustainability in an increasingly competitive market.
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