MERCURY CONTACTOR

1.Shut off power at main breaker.

2.Remove control panel top and front cover.

3.Disconnect contactor wires and mark for reinstallation.

4.Remove screws from mounting bracket and replace contactor.

NOTE: Be sure contactor is not mounted upside down as this will cause a constant on condition.

5.Reassemble in reverse order.

THERMOCOUPLE- REPLACEMENT

1.Remove control panel top and front cover.

2.Remove cover from relay box.

3.Slide thermocouple out of oven chamber.

NOTE: Remove conveyor and bottom fingers to aid in removal and installation of thermocouple.

4.Remove two (2) wires from temperature control board. Make note of wire numbers or color and location for reinstallation.

5.Reassemble in reverse order making sure the metal end on the thermocouple is securely in the wire form in the oven chamber.

THERMOCOUPLE MEASUREMENT CHART:

EXPLANATION: The junction temperature is the ambient air temperature where the thermocouple fastens to the electronic temperature control board.

 

 

 

O

V

E

N

 

T

E

M

P

 

 

 

200°F

250°F

300°F

325°F

350°F

400°F

425°F

450°F

500°F

550°F

600°F

J

90°F

3.26

4.77

6.30

7.06

7.83

9.37

10.14

10.91

12.46

14.00

15.53

U

88°F

3.32

4.83

6.36

7.12

7.89

9.43

10.20

10.97

12.51

14.05

15.59

N

86°F

3.37

4.88

6.41

7.17

7.94

9.49

10.26

11.03

12.57

14.11

15.65

C

84°F

3.43

4.94

6.47

7.23

8.00

9.54

10.31

11.09

12.63

14.19

15.71

T

82°F

3.49

5.00

6.53

7.29

8.06

9.60

10.37

11.14

12.69

14.23

15.76

I

80°F

3.55

5.06

6.59

7.35

8.12

9.66

10.43

11.20

12.74

14.28

15.82

O

78°F

3.60

5.11

6.64

7.40

8.17

9.72

10.49

11.26

12.80

14.34

15.86

N

76°F

3.66

5.17

6.70

7.46

8.23

9.77

10.55

11.32

12.86

14.40

15.94

 

75°F

3.69

5.20

6.73

7.49

5.26

9.80

10.57

11.35

12.89

14.43

15.97

 

74°F

3.72

5.23

6.76

7.52

8.29

9.83

10.60

11.37

12.92

14.46

15.99

 

72°F

3.78

5.29

6.82

7.58

8.35

9.89

10.66

11.43

12.97

14.51

16.05

T

70°F

3.83

5.34

6.87

7.63

8.40

9.95

10.72

11.49

13.03

14.57

16.11

E

68°F

3.89

5.40

6.93

7.69

8.46

10.00

10.78

11.55

13.09

14.63

16.17

M

66°F

3.95

5.46

6.99

7.75

8.52

10.06

10.83

11.61

13.15

14.69

16.23

P

64°F

4.01

5.52

7.05

7.81

8.58

10.12

10.89

11.66

13.20

14.74

16.28

 

62°F

4.06

5.57

7.10

7.86

8.63

10.18

10.95

11.72

13.26

14.80

16.34

 

60°F

4.12

5.63

7.16

7.92

8.69

10.24

11.01

11.78

13.32

14.86

16.40

HEATING ELEMENT

1.Shut off power at main breaker.

2.Remove rear motor cover.

3.Disconnect heater element wire and mark for reassembly.

4.Remove oven back assembly.

NOTE: For ovens SN 4768 and above, remove fan shroud.

5.Remove two (2) mounting screws and remove heating element.

6.Reassemble in reverse order.

NOTE: Be sure the lead terminals are double nutted to the heating element and are tight If the leads are not attached in this manner, a loose connection may result, causing arcing and lead wire burn off.

Impinger I -–1000 Series Service Manual - International

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Image 59
Lincoln Series 1200 Mercury Contactor, THERMOCOUPLE- Replacement, Thermocouple Measurement Chart, Heating Element

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.