Acer R-1200 Wartungshandbuch PDF herunterladen (Seite 29)

R-1200

R-1201

1. Disconnect the power supply cord.

2. Open the door and block it open.

3. To discharge the high voltage capacitor, wait for 60

seconds.

4. Remove one (1) screw holding the right panel to the oven

cavity front face plate.

5. Release the right panel from the oven cavity front face

plate by lifting it up.

6. Disconnect the wire leads from the relays RY1 and RY2.

RIGHT PANEL ASSEMBLY AND POWER UNIT REMOVAL

7. Disconnect the connectors CN-A, CN-B and CN-C from

the control unit.

8. Remove the right panel assembly from the oven.

9. Now, the right panel assembly is free.

10.Remove the two (2) screws holding the power unit to

the right panel.

11.Release the two (2) tabs holding the power unit to the

right panel.

12.Now, the power unit is free.

1. Disconnect the power supply cord and remove the oven

from wall and remove outer case. (Refer to procedure of

"Removal of Oven from Wall" and "Outer case Removal")

2. Open the door and block it open.

3. To discharge the high voltage capacitor, wait for 60

seconds.

4. Remove the right panel assembly, referring to the

procedure of "RIGHT PANEL ASSEMBLY AND POWER

UNIT REMOVAL".

5. Remove the two (2) screws holding the latch hook to the

oven cavity front flange.

6. Remove the latch hook from the oven cavity front flange.

7. Disconnect the wire leads of each switch.

8. Remove each switch from the latch hook by pushing the

DOOR SENSING SWITCH, PRIMARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL

one (1) stopper tab holding each switch.

9. Now, each switch is free.

Reinstall

1. Reinstall each switch in its place. The primary interlock

switch is in the lower position, door sensing switch is in

the upper position and the monitor switch is in the middle

position.

2. Reconnect wire leads to each switch. Refer to pictorial

diagram.

3. Secure the latch hook (with two (2) mounting screws) to

oven cavity front flange.

4. Make sure that the monitor switch is operating properly

and check continuity of the monitor circuit. Refer to

chapter "Test Procedure" and "Adjustment procedure".

1. Disconnect the power supply cord and remove the oven

from wall and remove outer case. (Refer to procedure of

"Removal of Oven from Wall" and "Outer case Removal")

2. Open the door and block it open.

3. To discharge the high voltage capacitor, wait for 60

seconds.

4. Remove the right panel assembly, referring to the

procedure of "RIGHT PANEL ASSEMBLY AND POWER

UNIT REMOVAL".

If the door sensing switch, primary interlock switch and

monitor switch do not operate properly due to a

misadjustment, the following adjustment should be made.

5. Loosen the two (2) screws holding latch hook to the oven

cavity front flange.

6. With door closed, adjust latch hook by moving it back and

forth, and up and down. In and out play of the door

allowed by the upper and lower position of the latch hook

should be less than 0.5mm. The vertical position of the

latch hook should be adjusted so that the door sensing

switch and primary interlock switch are activated with the

door closed. The horizontal position of the latch hook

should be adjusted so that the monitor switch is activated

with the door closed.

7. Secure the screws with washers firmly.

8. Check all of the switches operation. If any switch has not

activated with the door closed, loosen screw and adjust

the latch hook position.

DOOR SENSING SWITCH, PRIMARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT

After adjustment, check the following.

1. In and out play of door remains less than 0.5mm when in

the latched position. First check upper position of latch

hook, pushing and pulling upper portion of door toward

the oven face. Then check lower portion of the latch

hook, pushing and pulling lower portion of the door

toward the oven face. Both results (play in the door)

should be less than 0.5mm.

2. The door sensing switch and primary interlock switch

interrupt the circuit before the door can be opened.

3. Monitor switch contacts close when door is opened.

4. Reinstall outer case and check for microwave leakage

around door with an approved microwave survey meter.

(Refer to Microwave Measurement Procedure.)

Figure C-1. Latch Switch Adjustments

Latch hook

Door sensing

switch

Latch heads

Monitor switch

Primary interlock switch

Open lever

Door

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 39 40

Kommentare zu diesen Handbüchern

Keine Kommentare

Acer R-1200 Wartungshandbuch Seite 29

Kommentare zu diesen Handbüchern