BENDIX ET-S SUSPENDED ELECTRON TREADLE Handmatig - Pagina 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
4
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