SAF P89 Service Manual
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21XL-SA20018UM-en-US Rev H · 2017-12-14 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, SAF, and logos are trademarks ofSAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.Disc Brake ServicingFigure 38Figure 37INNERCALIPERBOLTSSHOULDERBOLTSTD.BOLTOUTERCALIPERBOLTBRAKE SPIDERSHOULDER BOLTBRAKE CALIPERDRIVING DIRECTIONROTOR ROTATIONLONG GUIDE PINSHORT GUIDE PIN14. Caliper Installation1. Re-install the caliper onto the brake spider using four (4)new SAF® specific brake caliper bolts (Figure 37):a. Pre-torque the bolts to 88 ft.-lbs. (120 N•m) frominner bolts to outer bolts using a size 24 mm socket.b. Verify the pre-torque of the bolts a second time, andif necessary re-tighten all bolts to 88 ft.-lbs. (120 N•m).c. Final torque from inner bolts to outer bolts to331 ± 22 ft.-lbs. (450 ± 30 N•m).NOTE: The caliper is connected to the disc brake spiderusing four (4) SAF specific bolts: three (3) standardbolts and one (1) shoulder bolt (Figure 37).The shoulder bolt is located at the top mountinghole whether the caliper is installed forward orrearward of the axle.IMPORTANT: Make sure that the brake caliper is mountedon the correct side of the axle. The correctposition can be identified by the lengthsof the guide pins on the caliper unit. Thelonger guide pins should be positionedon the bottom of the caliper unit wheninstalled rear of the axle and on top whenforward of the axle (Figure 38).2. Re-install the SAF® brake chamber by following theinstructions in SAF® Brake Chambers Installation andService Guide XL-SA10062IM-en-US available on theinternet at www.safholland.us.3. Re-install the ABS sensor by following the instructionsdetailed in Section 16.1.4. To enable the ABS sensor to function properly press theABS sensor against the ABS toner ring at the hub unit toeliminate any clearance between these parts.IMPORTANT: After replacing the rotor, verify that thebrake system is functioning properly.Failure to verify brake system functionafter rotor replacement could result inbrake malfunction which, if not avoided,could result in death or serious injury. |
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