control valve and install the adapter fitting and manometer.

3.Turn on electric power and gas and start-up oven.

4.With oven at full fire, manifold pressure should be (3.5"W.C. NAT/10" W.C. LP).

5.Turn off electric power and gas, replace cover screw, remove manometer and adapter; replace pressure tap plug.

6.Check pressure tap for gas leaks before closing panel.

7.Close control panel and check system operation.

TEMPERATURE CONTROL VALVE (ROBERT SHAW)

1.Shut off power at main breaker

2.Shut off gas supply.

3.Remove control panel top and front cover.

4.Remove gas control valve (See Above).

5.Remove the two (2) 3/8" x 16 nuts that hold main orifice bracket to the burner assembly.

6.Remove temperature control valve sensing bulb from oven cavity.

NOTE: It may be necessary to remove conveyor and fingers from oven cavity.

7.Remove piping from old temperature control valve.

8.Reassemble in reverse order, be sure the sensing bulb is properly placed in the oven cavity. The sensing bulb is properly placed in the oven cavity when it is placed in

the spring holder and positioned with the 5 1/2" of the bulb to the left of the spring holder. NOTE: The bypass screw should be adjusted all the way in.

SOLENOID VALVE

1.Shut off power at main breaker.

2.Shut off gas supply.

3.Remove control panel top and front cover.

4.Remove gas control valve (See "GAS CONTROL VALVE").

5.Disconnect wires from solenoid valve.

6.Remove two (2) 3/8" x 16 hex nuts that hold main orifice bracket in place.

7.Remove solenoid valve assembly.

8.Remove piping from solenoid valve.

9.Reassemble in reverse order.

TEMPERATURE CONTROL BOARD

Gas Ovens

1.Shut off power at main breaker.

2.Remove control panel top and front cover.

3.Remove relay box cover.

4.Disconnect wiring from temperature control board.

5.Make note of wire number and location for reinstallation.

6.Reassemble in reverse order.

Electric Ovens

1.Shut off power at main breaker.

2.Remove control panel top and front cover.

3.Disconnect wiring from temperature control board.

4.Make note of wire numbers and location for reinstallation.

5.Reassemble in reverse order.

TEMPERATURE CONTROL POTENTIOMETER – REPLACEMENT

1.Remove control panel top and front cover.

2.Remove one screw from control knob guard and move guard to one side.

3.Remove knob and locknut on control pot. shaft and push out.

4.Remove three (3) wires from temperature control board. Note wire numbers and location.

5.Reassemble in reverse order.

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Impinger I -–1000 Series Service Manual - International

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Image 58
Lincoln Series 1000, Series 1200 Temperature Control Valve Robert Shaw, Solenoid Valve, Temperature Control Board

Series 1000, Series 1200 specifications

The Lincoln Series 1200 and Series 1000 are two distinguished models in the range of Lincoln Electric welding machines, epitomizing quality, versatility, and advanced technology for both industrial and residential welding applications.

The Lincoln Series 1200 is renowned for its robust build and high-performance capabilities. One of its main features is the ability to perform both MIG (Metal Inert Gas) and stick welding processes, making it a versatile option for various welding requirements. It incorporates an intuitive control panel that allows for easy settings adjustments, ensuring operators can swiftly adapt to different materials and thicknesses. The Series 1200 is equipped with a powerful drive system to provide smooth wire feeding, minimizing downtime due to jams or misfeeds. Additionally, its high-duty cycle support allows continuous operation, making it an ideal choice for professional welders and fabrication shops.

In terms of technology, the Series 1200 employs advanced inverter technology that enhances energy efficiency while reducing the machine’s overall weight. This results in portability without compromising power, making it a practical choice for on-site tasks. Moreover, the machine features an automatic voltage adjustment that optimizes performance based on the input voltage, ensuring reliable operation even under fluctuating power conditions.

On the other hand, the Lincoln Series 1000 is specifically designed for entry-level users and small projects. It shines with its user-friendly interface, which simplifies the welding process for beginners. This model typically includes pre-set parameters and an easy-to-read display, enabling novice operators to achieve excellent welds with minimal experience. Despite its entry-level focus, the Series 1000 does not skimp on performance, offering dependable results across various materials.

Both the Series 1200 and Series 1000 incorporate safety features, including thermal overload protection, ensuring that users can operate the machines with peace of mind. Their durable construction allows for prolonged use in tough work environments without sacrificing reliability.

In conclusion, the Lincoln Series 1200 and Series 1000 cater to a wide range of welding needs, from professional applications to home projects. Their respective features and technologies present options that can fit various skill levels while delivering exceptional welding performance and longevity. Whether you are a seasoned professional or a hobbyist, Lincoln Electric provides reliable solutions to meet your welding requirements.