Document rBqv6Lbr5DkBdKm2jOOLner6E

ff-OWi 'H Product Engining Phytlcl Tut bborstodM 'TEST CONDITIONS: Setup No.: 87 Broke Locotion: BRAKE DYNAMOMETER INSTALLATION SHEET Procedure DM- : R'^-_____G.T.W.: 37? E.o. P_\52(o-am. DAT E: (e-X ~ S' f test no. raJ3 - Z.&7 vS M l cc Lbs. Roll. Rod?- 940 Ff -~3 Broke Bolonce: 70 -- 30 Z_____Flywheel Discs:4.0 Inertia:548Lb.* Ft. 2 O OZ TYPE BRAKE* "X" car duo-servo drum (200 X AS mm)____________ T2 H DISC BRAKE: Lining Material:Description Rotor Material: ________________________________ Type of Finish: Surface Finish (Microinches*RMS) Rotor Diameter: Rotor Thickness: __ Hub .& Rotor Weight:_________________________________________ Caliper Piston Diameter: --.. --. . IU UJ r H t-- vi DRUM BRAKE Lining Material: Pri. Sec. .. A _BET X- 2b ITTTQ ( \ //*) )~P ~Ri (Kb^-z^o-FH Drum Material: Buick productionType of Finish: prod, (interruptlve cut) Surface Finish Microinches' :70 ~* ^$"0Drum Diameter: Dinmetrnl Cl-------- *030 loch Drum Weight:/OfoC=> Wheel Cylinder Diameter: 175 Pm '!*&'! *7 Inches pounds______________ SPECIAL INSTRUCTIONS: Install a plug type thermocouple .040 Inch below the rubbing surface on the horizontal centerline adjacent to the backing plate side of the secondary shoe web. LIMIT LIKE PRESSURE TO 1200 PSI. Use three bolt mounting.__________________________ _________ USE NO RETURN SPRING ON PARKING BRAKE CABLE. PURPOSE OF TEST: BRAKE EFFECTIVENESS EVALUATION SCHEDULE 1. C.P.S. at 100 F.: 20, 30. 40 & 60 mph <? 300 psi 2. Repeat Item number 1 at 500 psi 3. Decelerations at 100 F.: 30, 60 & 80 mph 4. Burnish: (200) 40 mph stops, 12 ft/sec7 at 270 F. Initial lining temp. 5. C.P.S. .at 100 F.: 20, 30. 40 & 60 mph <3 300 psi 6. Repeat item number 5 at 500 psi 7. Decelerations at 100 F.: 30, 60 & 80 mph 8. Static Breakaway: (a) apply 100 lbs cable load, rotate drum for 1 (forward direction) revolution at 2 rpm. (do 3 times total). (b) Repeat Item number 8a at 150 pounds cable load (c) Repeat item number 8a at 200 pounds cable load (d) Repeat item .numbers 8a, b.&* c`at 10 rom 9. Repeat item number 8 in reverse direction 10. C.P.S,: 40 mph at 500 psi. Make stops at a time Interval to increase lining temperature from 150 to 400 F. in 20 (+ 2 stops). Use no external cooling. Repeat 9 more times. (10 heat cycles total) 11. After the tenth heat cycle, repeat item numbers 1, 2 & 3 at 400 F. 12.J Repeat item numbers 1, 2 & 3 at 100 F. ' 13. Reburnish: Repeat item number 4 except make only 35 stops 14. Repeat .item numbers 1, 2 & 3 at 100 F. o nc SHEET NO. 122 J37 >2l> .... /g 7___ n/3 ____ Klo ' nUSZift' izn 134.&64BC SCI 02833