BENDIX ET-S2 Manual - Página 4

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3. Inspect the cable assembly for loose or frayed wires,

physical damage, or any contaminants on the connec-

tors. Replace as necessary.

ASSEMBLY

1. Securely clamp the treadle mounting plate.

2. (a) For Detroit Diesel Potentiometers: Align the drive

slot, and engage the potentiometer the drive tang at the

end of the drive shaft (see Figure 4). Rotate the

POWER

SUPPLY

(9-16 VDC)

300,000 OHM RESISTOR

TEST LOAD

Closed Throttle (open) Range: 7-18%

Open Throttle (full) Range: 74-84%

FIGURE 6 - ELECTRICAL TEST SCHEMATIC FOR THE DETROIT DIESEL CONNECTOR

Closed Throttle (open) Range: 10-20%

Open Throttle (full) Range: 75-90%

PEDAL

POSITION

SENSOR

(PWM)

.001µF

FIGURE 7 - ELECTRICAL TEST SCHEMATIC FOR THE CATERPILLAR CONNECTOR

DIGITAL

VOLT/

OHM

METER

PIN A VREF

(INPUT)

2000 OHM ±5%

RESISTOR

PIN B

VOUT

(OUTPUT)

47,000 OHM ±5%

RESISTOR

PIN C

GROUND

Caterpillar output voltage is Pulse Width Modulated

potentiometer clockwise until the first set of mounting

holes align. Secure using two screws: torque to 25 (±5)

in. lbs.

(b) For Caterpillar Position Sensor: Aligning the drive

slot, the position sensor engages the drive tang at the

end of the drive shaft (see Figure 4). Rotate the position

sensor clockwise until the first set of mounting holes

align. Secure using two screws : torque to 20 (±2) in.

lbs.

PIN C

GROUND

PIN B

VOUT

(OUTPUT)

PIN A

VREF

(INPUT)

(CABLE)

POTENTIOMETER

PC. NO. ON THIS SURFACE

POTENTIOMETER