Figure 681. Oil cooler 2. Radiator4. Pivot the oil cooler back into position. Secure it tothe frame with the knobs and close the hood.Brake MaintenanceAdjusting the Service BrakesAdjust the service brakes when there is more than 1 inch(25 mm) of “free travel” of the brake pedal, or when thebrakes do not work effectively. Free travel is the distancethe brake pedal moves before braking resistance is felt.1. Disengage the locking latch from the brake pedals sothat both pedals work independently of each other.2. To reduce free travel of the brake pedals, tightenthe brakes:A. Loosen the front nut on the threaded end of thebrake cable.B. Tighten the rear nut to move the cable backwarduntil the brake pedals have 1/2 to 1 inch (13 to25 mm) of free travel.C. Tighten the front nuts after the brakes areadjusted correctly.46