Document mpmNLGXzOJzNLzq2VGG4jJjv4

nra ffl M9) Pioduct Engineering Phytic*! Tut L*bortorit BRAKE DYNAMOMETER INSTALLATION SHEET E.O. __ DATE:. s/ Procedure DM- TEST NO. A43- 3SV .TEST CONDITIONS: Setup No.:. 87 .Broke Location:. R.R. Broke Bolonce: ?0 -- 30 X_____Flywheel Discs: G.T.W.:. 3790 _--Lbs. Roll. Rod:. 4.0 Inertia:______ 548 TYPE BRAKE:, "X" car duo-servo drum (200 X AS mm) DISC BRAKE: %$ 0.94---0------ Ft. Lb.-Ft. 2 N .O OZ -Z H 6 fe ft 1H11 Ut-J TIn Lining Material: .Description----- Rotor Material: _ .Type of Finish: Surface Finish (Microinches- RMS): _ Rotor Diameter:. Rotor Thickness:_____________ _ . Hub & Rotor Weight:. Caliper Piston Diameter:. DRUM BRAKE: Lining Moteriol: Pri. ABX 'J^/- / /?/</r> ABs -?yy s^r. AO/-X A>t\/r> ABB - Drum Moterial: Buick production ____ Type of Finish: prod. (Interruptive cut) Surface Finish Microinches' :__ SO Diametral Clearance:___ Wheel Cylinder Diameter: .030 Inch 17.5 mm 9O'____________ Drum Diameter:______ 7. % 7P Inches Drum Weight: 9.9 3 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 LINE PRESSURE TO 1200 PSI. Use three bolt mounting.. USE NO RETURN SPRING ON PARKING BRAKE CABLE. PURPOSE OF TFST: BRAKE EFFECTIVENESS EVALUATION SCHEDULE 1. C.P.S. at 100 F.: 20. 30. 40 & 60 mph <3 300 bsi 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/sec^ 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 lb3 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 stopsl. 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. 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 6 3 at 100 F. SHEET NO. _______ *1._______ .iT i- _____ S 7. S *9_____ . A/-' t>A TA && . & / ^ ~ t- /> 3, *r. fa c*. ^ 7 f cpy* SCI 02918