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MAINTENANCE GENERAL MAINTENANCE AND ADJUSTMENT This second part of the maintenance section covers adjustments and items of general maintenance as dictated by the ‘Maintenance Schedules’. However, only maintenance operations that are not included i n the Overhaul Sections of the manual appear in this EXAMINE AND RENEW FRONT BRAKE FRICTION PADS Examine the friction pads for wear and if less than (0.125 in) thick or oil contaminated, they must be renewed on both wheels at the same time, as follows: NOTE: See Book 4 Section 70 for latest method of friction pad retension. . both front wheel nuts and jack-up the vehicle and lower onto axle stands, and remove 2. Clean the exterior of the calipers. 4. Remove the retaining springs. Clean the exposed parts of the pistons, using only 7. Using piston clamp 186672 press each piston into its bore, whilst ensuring that the displaced 8. Smear the faces of the pistons with disc brake lubricant taking care not to !et any the lining material. 9. Insert the new friction pads. 10. Place the friction pad retaining springs in position 11. Apply the footbrake several times to locate the 12. Check the fluid reservoir and top-up if necessary. 8 and fit new split pins and splay the ends. pads. 13. Fit the road wheels, lower the vehicle and finally tighten the wheel retaining nuts. CLEAN AND CHECK AXLE BREATHERS ball valve type (where fitted) 1. the outside of the breather and unscrew from the axle tube. 2. Wash the breather in petrol and shake to ensure that the ball valve is free. 3. Lubricate the ball with engine oil and refit to axle tube. I Remote axle breathers - where fitted Pipes attached to the breathers on the axles terminate and into the engine compartment on later vehicles. This allows the axles to breath whilst the vehicle is traversing mud and water. N o maintenance is required except to ensure that the pipe: do not become blocked, kinked, or split, or damaged in any other way to prevent proper breathing. |