Bendix Commercial Vehicle Systems EC-60 ESP CONTROLLERS ADV - Manual (Page 47)

47
Wheel Speed Sensor Wiring
Route sensor wiring coming out of the wheel ends away
from moving brake components. Sensor wiring needs to
be secured to the axle to prevent excess cable length and
wiring damage. It is required that cable ties be installed
to the sensor wire within 3 inches (76.2 mm) of the sensor
head to provide strain relief.
Following the axle, the sensor wires must be attached
along the length of the service brake hoses using cable ties
with ultraviolet protection and secured every 6 to 8 inches
(152 to 203 mm). Sufficient – but not excessive – cable
length must be provided to permit full suspension travel and
steering axle movement. Install wires so that they cannot
touch rotating elements such as wheels, brake discs or
drive shafts. Radiation protection may be necessary in
the area of brake discs.
FIGURE 19 - WS-24 ™ WHEEL SPEED SEnSOR inSTALLATiOn (S-CAM AnD AiR DiSC BRAkE)
Speed Sensor
Mounting Block
100 Tooth (typical)
Speed Sensor
Exciter Ring
WS-24 ™ Speed
Sensor
Hub Assembly
WS-24 ™ Speed
Sensor
100 Tooth
Exciter
Ring
Mounting
Block
Max . Gap
(Sensor to Exciter)
.015 Inches
Brake Drum
Bendix does not recommend using standard tie-wraps to
secure wiring harnesses directly to rubber air lines. This
may cause premature wiring failure from the pressure
exerted on the wiring when air pressure is applied through
the air line. Non-metallic hose clamps or bow-tie tie-wraps
are preferred.
The use of grommets or other suitable protection is required
whenever the cable must pass through metallic frame
members.
All sensor wiring must utilize twisted pair wire, with
approximately one to two twists per inch.
It is recommended that wires be routed straight out of a
connector for a minimum of three inches before the wire
is allowed to bend.
90° Speed
Sensors
Straight Speed
Sensors
Sensor
Clamping
Sleeve
Troubleshooting: Wiring
(Continued)
Air Disc Brake
Note: Ensure that the sensor wiring is
routed to avoid chafing from moving
parts (including rotors and steering
components.)