3-5-4
Orig
CD373
Chapter 3
Section 5 MZ Tow Tractor
(d) Install inboard pad and lining as shown (Figure 5-4). Position outer arc of pad against
inner arc of caliper. Depress spring vee to collapse it and enable it to slip inside of
piston cup. Snap pad into place.
Figure 5-4. Inboard Pad
(e) Clip outer pad into place opposite inner pad. Make sure that the tab at the bottom of
the pad is engaged in the caliper cut-out.
6. Caliper Installation
(a) Position caliper over rotor and line up holes in caliper ears with holes in the
mounting bracket. Make sure the brake hose is not twisted or kinked.
(b) Lubricate both ends of the mounting bolts with Delco Silicone Lube No. 179-651.
Start the bolts through the sleeves in the inboard caliper ears and mounting bracket,
making sure that the ends of the bolts pass under the retaining ears of the inboard
pad. Push the bolts through to engage the bushings in the outboard caliper ears,
while threading the bolts into the mounting bracket. Tighten bolts (Figure 5-5).
(c) Torque bolts to 30-45 ft-lb (40.7-61.0 Nm).
(d) Remove temporary plugs from brake pipe and fittings, connect brake hose to caliper.
Torque to 15 ft-lb (20 Nm).
(e) If brass bolt and block were removed with brake pipe, unplug fittings and install bolt
and block using (2) new copper washers. Torque to 30 ft-lb (40 Nm).
(f) Fill master cylinder and bleed hydraulic brake system.
(g) After installing caliper, set caliper by applying heavy force to brake pedal.
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