3-5-10
Orig
CD373
Chapter 3
Section 5 MZ Tow Tractor
3. Inspection
(a) Inspect braking surfaces for evidence of corrosion, pitting, or scratches. Replace if
scratched, corroded or pitted.
(b) Check the thickness and out of plane limits of the rotor. The minimum thickness
should be 0.885" (front).
4. Reassembly
(a) Secure rotor to hub with five (5) grade-8 bolts with lock washers and locktite; torque
to 100 ft-lb.
5. Installation
(a) Slide the wheel hub and rotor onto the axle.
(b) Replace caliper assemblies. See paragraph B.6 of this section.
(c) Replace axle nut and washer and replace cotter pin. Seal with silicone sealer.
(d) Replace wheel and secure with lug nuts. Torque to 125 ft-lbs.
(e) Lower front wheels to the ground and un-chock rear wheels.
6. Check Out
(a) Check brake pedal for sponginess or hard pedal.
(b) Drive tractor slowly and make several slow speed stops.
(c) Check all brake fluid line fittings and caliper areas for fluid leakage.
(d) Correct any discrepancies before returning vehicle to normal service.