SERVICING

SERVICING

68 IGNITION ELECTRODE AND LEAD REPLACEMENT

1.Refer to Frame 61.

2. Remove the burner and air box assembly. Refer to Frame 54.

3.Remove the electrode retaining nut.

4.Remove the pilot shield.

5.Remove the ignition electrode and integral lead.

6.Refit the new electrode and lead in reverse order.

Ensure that the pilot shield is replaced.

7. Check the spark gap. Refer to Frame 67.

8. Reassemble in reverse order.

9. Check the operation of the boiler.

69MAIN BURNER AND MAIN BURNER INJECTOR REPLACEMENT

1.Refer to Frame 61.

2. Remove the screw retaining the front burner support strap to the combustion chamber.

3. Remove the M5 pozi screw, situated at the left hand bottom rear of the burner. Pull the burner downward to disengage the retention tab and remove the burner.

4. At this stage the main burner injector can be removed, checked, cleaned or replaced as required. Ensure that a new copper sealing washer is used.

5. Fit the new burner, ensuring that the retention tab is correctly located in the air box slot and reassemble in reverse order.

6. Check the burner for cross-lighting and flame stability.

70 GAS CONTROL VALVE REPLACEMENT

1.

Refer to Frame 61.

7.

Remove the gas control / manifold assembly.

2.

Remove the burner and air box assembly. Refer to

8.

Remove the 4 screws retaining the manifold to the gas

 

Frame 54.

 

control valve, and fit the manifold to the new valve. Ensure

3.

Remove the control box fixing screws.

 

that the new control is fitted the correct way round (an arrow

 

engraved on back indicates the direction of flow).

 

Swing the control box down into the servicing position.

 

 

9.

Transfer the gas cock union to the new gas control valve,

4.

Disconnect the gas control valve electrical leads.

 

using an approved jointing compound.

5.

Undo the gas cock union .

 

10. Reassemble in reverse order.

6.

Whilst supporting the gas control valve, remove the 2

11.

Check the operation of the boiler.

 

screws retaining the manifold to the back panel.

 

 

 

12. Refer to Frame 48, item 18 for gas adjustment sealing.

38

classic HE - Installation & Servicing

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IDEAL INDUSTRIES HE12 Servicing Ignition Electrode and Lead Replacement, Main Burner and Main Burner Injector Replacement
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HE12, HE15, HE18, HE9 specifications

The IDEAL INDUSTRIES HE series, comprising the HE24, HE18, HE15, and HE12 models, represents a significant advancement in the field of electrical testing and measurement tools. These versatile testers stand out in professional environments for their high accuracy, user-friendly interfaces, and advanced features designed to enhance efficiency and reliability in electrical inspections.

The HE24 is the flagship model, boasting an extensive range of functionalities. It includes advanced digital multimeter capabilities, allowing for precise measurements of voltage, current, and resistance. Its True RMS feature ensures accurate readings, even with non-linear loads. The HE24 also incorporates advanced connectivity options, including Bluetooth technology, enabling users to transfer data wirelessly to smartphones or tablets for further analysis. The large, backlit display enhances visibility in various lighting conditions, making it an ideal tool for both indoor and outdoor use.

The HE18 model, while slightly more streamlined than the HE24, still offers robust capabilities. It features multiple testing modes, including continuity and diode testing, catering to a wide range of electrical tasks. The HE18 also utilizes a user-friendly interface, allowing technicians to navigate easily through various functions. Equipped with a protective rubber housing, this model is durable and built to withstand the rigors of frequent use on job sites.

The HE15 and HE12 models represent the compact, entry-level offerings in the HE series. Designed for the budget-conscious user, these models retain essential functionalities such as basic voltage and current measuring capabilities while prioritizing ease of use. The HE15 includes a simple LED indicator to signal when measurements are being taken, promoting straightforward operation. Additionally, the HE12 features a lightweight design, making it the perfect tool for on-the-go technicians.

All models in the IDEAL INDUSTRIES HE series are engineered with safety in mind, adhering to stringent international testing standards. They provide superior insulation resistance and a high degree of accuracy, mitigating the risks associated with electrical work. Furthermore, their IP-rated enclosures ensure protection against dust and moisture, enhancing longevity.

In conclusion, the IDEAL INDUSTRIES HE24, HE18, HE15, and HE12 series represent a comprehensive range of electrical testing tools that cater to professionals' varied needs. With their combination of advanced features, user-friendly designs, and safety compliance, these models are excellent choices for any electrical technician aiming for accuracy and efficiency in their work.
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