Turbochef-technologies TurboChef User Manual download pdf (Page 40)

4. Using acetone, clean the oven floor where the

new wave guide cover will sit.

5. Apply a

1/8” diameter bead of high temperature

RTV (included with Item 29) along the outside

edge of the wave guide cover flanges.

NOTE: It is important to use the correct high

temperature

RTV as supplied by TurboChef.

6. Place the new wave guide cover in place. Secure

with the fourteen

(14) screws provided with Item

7. Wait 15 minutes for RTV to cure.

8. Warm oven to set temperature and re-check the

tightness of screws. Tighten if necessary.

WARNING: Inside of oven and IR element

are HOT! Use extreme caution during step 8.

WAVE GUIDE/WAVE GUIDE COVER PARTS

Figure 22

29. NGC-3036 Kit, Wave Guide Cover (Includes

Item 31 and sealant)

30. 101666 Screws, #8-32 x 1/2, Cap

31. 101701 Screws, #8, SST

32. NGC-1047

Support, Frame

33. 102809

Screws, #8-32 x 3/8” CSK (100

)

34.

NGC-3017 Assy, Wave Guide, Rear

35. NGC-3015 Magnetron, Rear

36. NGC-3015

Magnetron, Front

37. NGC-3016 Assy, Wave Guide, Front

WAVE GUIDE REPLACEMENT

1. Remove the wave guide cover. See WAVE GUIDE

COVER REPLACEMENT

on page 29.

2. Remove the right side panel and frame support

(Item 32).

3. If replacing the front wave guide, use the NGC-

3016 kit. If replacing the rear wave guide, use

the NGC-3017 kit.

4. Remove the two

(2) right and left-most screws

(Item 30) that secure the wave guide to the oven

floor.

5. The wave guide should now be loose enough to

easily slide out from the right side of the oven.

NOTE: Be careful to not damage the insulation

when removing the wave guide.

6. Install the new wave guide using the mounting

screws provided with the kit (Item 34 if rear

wave guide, Item 37 if front).

CAUTION: Do not pinch insulation between

the wave guide and oven bottom.

7. Reinstall the wave guide cover.

8. Reinstall the side panel and apply power to the

oven.

HIGH VOLTAGE AND FILAMENT TRANSFORMER

REPLACEMENT

Wiring the High-Voltage Transformers

The proper reinstallation of the high-voltage and fil-

ament transformers is critical. Upon removing a

high-voltage transformer, make sure to note where

each wire was installed. Refer to the oven schemat-

ics (pages 55-63) detailing the proper wiring.

Specifically, T1 and T2 are located in the top-right

corner of the schematics.

As shown in the schematics, transformers are

installed mirror opposite and wired

180

out-of-

phase. It is essential for longevity that the high-volt-

age transformers remain 180

out-of-phase. This can

be checked by placing a volt meter across terminals

T1-1

and T2-1.

With the Microwave System energized, the volt meter

will read

the incoming voltage (different readings for

different countries).

If the meter reads 0 VAC, the

THE MICROWAVE SYSTEM

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 93 94

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Turbochef-technologies TurboChef User Manual Page 40

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