
Windsor-Severence Fire Protection District
Heavy Rescue
Production Specification
SVI #774 Page 34 of 126 April 19, 2010
ELECTRONIC POWER STEERING FLUID LEVEL INDICATOR
The power steering fluid shall be monitored electronically and shall send a signal to activate an audible alarm and visual
warning in the instrument panel when fluid level falls below normal.
FRONT AXLE CRAMP ANGLE
The chassis shall have a front axle cramp angle of 48 degrees to the left and 44 degrees to the right.
POWER STEERING GEAR
The power steering gear shall be a TRW model TAS 65 with an assist cylinder.
CHASSIS ALIGNMENT
The chassis frame rails shall be measured to insure the length is correct and cross checked to make sure they run parallel
and are square to each other. The front and rear axles shall be laser aligned. The front tires and wheels shall be aligned
and toe-in set on the front tires by the chassis manufacturer.
The completed apparatus shall be rechecked for proper alignment once the chassis has been fully loaded and before
being placed in service.
REAR AXLE
The rear axle shall be a Meritor model RS-25-160. The axle shall be built of superior construction and quality components
to provide the rugged dependability needed to stand up to the industry’s demands. The axle shall include rectangular
shaped, hot-formed housings for extra strength and rigidity. The axles shall also include torsion flow axle shafts that
feature a surface hardness which resists fatigue and a resilient core which absorbs shock. There shall be unitized pinion
seals within the axle helping to prevent leakage and harmful road contaminants from entering the axle components. The
axle shall include a rigid differential case for high axle strength and reduced maintenance.
The axle shall include single reduction gearing and shall have a rated capacity of 27,000 pounds.
REAR AXLE DIFFERENTIAL LUBRICATION
The rear axle differential shall be lubricated with oil.
REAR AXLE WARRANTY
The rear axle shall be warranted by Meritor for (2) years with unlimited miles under the heavy service application. Details
of the Meritor warranty are provided on the PDF document attached to this option.
REAR WHEEL BEARING LUBRICATION
The rear axle wheel bearings shall be lubricated with oil.
REAR AXLE DIFFERENTIAL CONTROL
A driver controlled differential lock shall be installed on the rear axle. This feature shall allow the differential to be locked
and unlocked when the vehicle is stationary to provide maximum wheel end traction. The differential lock shall be
controlled by a locking rocker switch on the switch panel. The light on the switch shall illuminate with positive
engagement of the differential control.
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