Brother BAS-761 Service Manual download pdf (Page 54)

5. ADJUSTMENT

BAS-7610

5-14

5-9. Adjusting the air pressure

1. Air pressure : 0.5 Mpa Adjust → Pull and turn the cap (1), After adjustment → Push the cap (1) down and lock it.

2. When water is collected in the bottle (2), turn the cock (3) to drain water (direction O).

* The water in a bottle will be automatically drained, if it collects to some extent.

5-10. Adjusting the pressure switch

Adjust the pressure switch accurately so as to operate with 0.34 Mpa pressure.

Remove the cover (2) while making this adjustment.

1. Air pressure (decrease) : 0.34 Mpa

2. If error display on the control panel indicates E820, turn the screw (4) on the pressure switch (3) to decrease setup

pressure to 0.98 - 2.0 Mpa for cancellation of the error display ; and then turn the screw (4) slowly in the reverse way

and stop turning the instant the error is displayed.

* Air pressure of 0.40 Mpa or more is required to cancel this error display (due to pressure switch hysteresis)

3. After setting pressure at regulator (1) to 0.5 Mpa, reduce it gradually and confirm that error display indicates E820 for

the first time at 0.34 Mpa.

4. Air pressure (increase) : 0.5 Mpa Push the cap (1) down and lock it.

(1)

(2)

(3)

Shut

Open

1350S

(1)

(2)

(3)

(4)

Becomes high

Becomes low

1351S 1352S

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Brother BAS-761 Service Manual Page 54