mxu 400 Manuel atelier : Page 26

                                                           738-420A                                                     PR377C

                                                              NOTE: During the bleeding procedure, watch the
                                                            reservoir sight glass very closely to make sure
                                                            there is always a sufficient amount of brake fluid.
                                                            When the sight glass changes from dark to light,
                                                            refill the reservoir before the bleeding procedure is
                                                            continued. Failure to maintain a sufficient amount
                                                            of fluid in the reservoir will result in air in the sys-
                                                            tem.

                                                                D. Repeat step C until the brake lever is firm.
                                                                E. At this point, perform step B, C, and D on the
                                                    AL681
                                                                   other FRONT bleeder screw; then move to the
                                                                   REAR bleeder screw and follow the same pro-
 2. Compress the brake lever/pedal several times to                cedure.
    check for a firm brake. If the brake is not firm, the
    system must be bled.                                     4. Carefully check the entire hydraulic brake system
                                                                that all hose connections are tight, the bleed
 3. To bleed the brake system, use the following pro-           screws are tight, the protective caps are installed,
    cedure.                                                     and no leakage is present.
    A. Remove the cover and fill the reservoir with
       DOT 4 Brake Fluid.                                                    ! CAUTION
    B. Install and secure the cover; then slowly com-       Brake fluid that has been drained or bled from the
       press the brake lever several times.                 brake system must NEVER be re-used or severe
                                                            brake system corrosion and damage may occur.
    C. Remove the protective cap, install one end of a      Always discard used brake fluid in an appropriate
       clear hose onto one FRONT bleeder screw, and         manner.
       direct the other end into a container; then while
       holding slight pressure on the brake lever, open                      ! CAUTION
       the bleeder screw and watch for air bubbles.         This hydraulic brake system is designed to use DOT
       Close the bleeder screw before releasing the         4 brake fluid only. If brake fluid must be added, care
       brake lever. Repeat this procedure until no air      must be taken as brake fluid is very corrosive to
       bubbles are present.
                                                            painted surfaces.

                                                            INSPECTING HOSES

                                                            Carefully inspect the hydraulic brake hoses for cracks
                                                            or other damage. If found, the brake hoses must be
                                                            replaced.
                                                            CHECKING/REPLACING PADS

                                                            The clearance between the brake pads and brake discs
                                                            is adjusted automatically as the brake pads wear. The
                                                            only maintenance that is required is replacement of the
                                                            brake pads when they show excessive wear. Check the
                                                  AF637D
                                                            thickness of each of the brake pads as follows.


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