Lincoln 1400, 1200 Stepper Control - Adjustment, S/N 14975 AND ABOVE 1000 SERIES GAS OVEN

STEPPER CONTROL - ADJUSTMENT

S/N 14975 AND ABOVE 1000 SERIES GAS OVEN

S/N 14792 AND ABOVE 1200 SERIES GAS OVEN

CURRENT SENSE

DO NOT ADJUST

Heat Sink

MOTOR

									J 6
J 3					J 1	J 4			J 5
	5	4	3	2	1
					ON
Max.	Min.					Blue	Red	Brown	Red
Conveyor	Conveyor
						Gray		POWER
Speed Adj.	Speed Adj.
						LOCKED ROTOR

POTENTIOMETER		To T/T display	Black to #4
	TIME/TEMP		White to #7

1.With power off, the five (5) dip switches located on the conveyor control (see drawing above) should be set as below.

	DIP SWITCHES
CONTROL	1	2	3	4	5
SWITCH POSITION	OFF	OFF	ON	OFF	OFF

2.With power off, the ten (10) dip switches located on rear of Time/Temp Display (see drawing on page 52) should be set as below.

DISPLAY	1	2	3	4	5	6	7	8	9	10
SWITCH POSITION OFF		*	*	ON	OFF	OFF	ON	ON	OFF	ON
	*SWITCH 2		- OFF FOR 60HZ, ON FOR 50HZ
	*SWITCH 3		- OFF FOR °F, ON FOR °C

3.With conveyor running, set conveyor speed control so Time/Temp. Display indicates 5:00 minutes. Place a pan on the conveyor, measure (STOPWATCH) the time (SPEED OF PAN) of the leading edge in to leading edge out of oven. Turn the speed adjustment pot. on the rear of the Time/Temp. Display so display agrees with time measured by the stop watch. (See drawing on page 52).

4.Turn conveyor speed control fully counterclockwise and adjust the stepper control maximum speed pot (refer to drawing above) so the display indicates 50 seconds.

5.Turn conveyor speed control fully clockwise and adjust the stepper control minimum speed

pot so the display indicates 30 minutes.

NOTE: Repeat 4 and 5 to be sure settings are accurate.

6.Turn power off and set #1 dip switch to its (ON/OFF) other position and verify that the conveyor reverses direction when power is applied. Set conveyor travel direction as customer requests.

CAUTION: ALWAYS REMOVE POWER BEFORE CHANGING CONVEYOR DIRECTION.

48 Impinger I -–1000 Series Service Manual - Domestic