21
figure 2-23
figure 2-24
2.6.3 Assembling brake device
(1) Wipe brake liquid on cup leather and piston of brake sub-pump, assembling spring, piston
cup leather, piston and defend ring.
(2) Install brake sub-pump on motherboard.
(3) Mount motherboard on drive axle.
(4) Wipe anti-heat lubricate grease on the region instructed in figure 2-25.
Pay attention not to wipe on wearing piece.
(a) Interface between motherboard and brake hoof
(b) Fasting pin;
(c) Interface between hoof slice and press spring base;
(d) Hand brake pull rod pin;
(e) Adjust bolt and rotating devices.
(5) Block parking brake wire rope by E-shape retainer ring.
(6) Fix brake shoe hoof by fastness spring. See figure 2-26.
(7) Put compress spring on hand brake handspike, hen fix
handspike on brake hoof. See figure 2-27
figure 2-25
figure 2-26
figure 2-27
(8) Fix guide of brake shoe on brace pin, then fix rebound spring of brake hoof. Install main
shoe first, then sub-shoe. See figure 2-28
(9) Fit adjustor, spring, ejector pin, rebound spring. Please notice as fellow:
(a) The screw thread direction of regulator and its installation;
(b) The direction of spring of adjustor(no contacting spring with tooth of adjustor)
(c) The direction of rebound spring of ejector pin(spring hook of brace pin shall rivet on side
of ejector pin relatively)
(d) The end of adjusting lever must contact with adjustor tooth.
(10) Connect brake oil pipe to sub-pump
(11) Measure inner diameter of brake drum and outer diameter of brake shoe, regulate
adjustor, make the difference subtracting inner diameter from outer diameter equals
0.3mm-0.5mm.See figure 2-29
Summary of Contents for FE4P50N
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