The motorhome is equipped with automatic slack adjusters. As
brake linings wear the slack adjusters will automatically ratchet on the
return stroke as needed. This ratchet action will keep the brake linings
at proper adjustment. Brake adjustment should not be necessary.
Indications of a vehicle needing a possible brake adjustment may be
noticed by the park brake not holding on a hill or gradual loss of brak-
ing power. Automatic slack adjusters and the connecting S-camshaft
require periodic lubrication.
NOTE: Replacement parts should be of the same original equip-
ment size and type. Mixing brake components may result in
unequal braking action. Brake adjustments are part of normal
maintenance of the motorhome. Brake adjustments are not cov-
ered by Monaco Coach.
WARNING: Brake lining may contain asbestos material and
should only be serviced by qualified service technicians who are
trained in the appropriate precautionary procedures. If any loss
of braking effectiveness or abnormal braking indications are
noticed, the brakes and slack adjusters should be inspected by a
qualified brake technician.
The motorhome is equipped with an anti-lock braking system (ABS).
The ABS system monitors wheel rotation speeds by using a 100 tooth mag-
netic tone ring mounted to the hub. Revolving with the wheel, the magnetic
tone ring is polarized giving positive and negative pulsations. A stationary
sensor is mounted adjacent to the tone ring monitoring the magnetic pulses.
The pulses are monitored by the ABS electronic control unit (ECU).
The ECU monitors all available wheel sensors at the rate of 100 times
per second. The ECU controls Pressure Modulator Valves. Pressure
Modulator Valves have two electric over air solenoids, a hold solenoid and a
release solenoid. The modulator valves are open under normal braking,
allowing a straight through air signal from the treadle valve to the brake
chamber. Should a wheel lose traction under a braking application, the ECU
will energize the hold solenoid of the Pressure Modulator Valve to interrupt
the air signal from the treadle valve to the brake chamber, while the release
solenoid vents the existing air signal to the atmosphere allowing the skidding
tire to regain traction. Skidding tires have less tractive efficiency. It is possi-
ble, under certain conditions, to have the wheel(s) skid with a normal func-
tioning ABS system.
The ABS itself does not apply additional braking power. The purpose of
the ABS is limiting brake torque to prevent wheel locking that results in the
loss of lateral stability and increased stopping distances. Cautious driving
practices and maintaining adequate safe distances when following vehicles is
the key to safe vehicle operation.
Chassis Information
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
WINDSOR
10•267
ABS SYSTEM -
(Anti-Lock Brakes)
BRAKE ADJUSTMENT/
SLACK ADJUSTMENT
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