Date Name Industry Print Exercise 14-1 Refer to the print PR 14-1 and answer the questions below. 1. How many columns are featured in the revision history block of this drawing? 2. What is the current revision letter assigned to this part? 3. What revision specified the surface texture of the tapered portion? 4. What are the initials of the person who implemented or approved ECO 68-557? 5. Which revision specified the vendor part number of the bushing? 6. Revision F changed the maximum axial deflection to .500 at 2000 pounds. What had it been? 7. Instead of revision D, E, and F being three letters, what other method of marking could have been implemented for these three changes? Review questions based on previous units: 8. What is the thread form specified for the internal threaded holes? 9. What method was used to show external threads on this part? 10. Is this a drawing of multiple parts assembled? 11. Does this drawing feature any cutting-plane lines? 12. What is the radius of the undercut indicated by a local note? 13. What is the maximum material condition diameter of the largest cylindrical feature of this part? 14. This drawing has an italic "f" symbol on some surfaces in the left side view. What are these symbols? What does the 125 near the check mark at revision A on the tapered surface mean? 15 Inc. Unit 14 Drawing Revision Systems 299 100 114 Print supplied by Clark Equipment Company PR 14-1. ASM Silent Block Axle Mounting 4.68 4.62 2.510 2.490 2.510 2.490 1.042 1.022 1.010 066 2.312 2.252 0 ±.020 "D" "B" -12 TAPER PER FOOT GRIND OR MACHINE OPT.(A 13 64 DRILL X 45' CHAMFER BOTH ENDS BE 90 t.010 WITH MOUNTING BOSSES MIN. FLAT .75 BOTH ENDS .28 RWT HOLE MUST 125 2.68+.09 000 5.50 (2.18) (1.62) (1.41) .005 1.020 1.262 1.259 4.26 4.24 1722071 -.09 X 45 CHAMA 2.12 -ø.50 DRILL V.50 FOR ASM OPT. CONST. 1-12 UNF-2A, PD MAX. 1.0691 .92 t.020 THD LENGTH (A MIN. 1.0631 "C" "A" MUST BE FREE OF TOOL MARKS SAE 4140 LEAD ED C.R. OR STRESSPROOF -SAE-R630 BHK,Z D OR SAE-R630 BHZ A Z-DENOTESA HIGH MODULUS STOCK E WITH WEATHER RESISTANCE AND RESISTANCE TO A HYSTERESIS BUILD UP .62 MALLEABLE IRON SAE 32510 A DUCTILE 60-45-10 OPT. +.88 1.75- -18 UNF-3B, PD MAX. .5934 V.03 X 30 2 HOLES NOTE SURFACES "A" & "B" AND "C" & "D" MUST BE PARALLEL AND IN SAME PLANE DEFLECTION SPEC.: MAX. RADIAL DEFLECTION .050 AT 4000 POUNDS MAX. AXIAL DEFLECTION 500 AT 2000 POUNDS BREAK ALL SHARP CORNERS SIMILAR TO 329676 MICRO UNLESS OTHERWISE SPECIFIED MAX. INDUSTRIAL TRUCK DIVISION OR .010 CHANGES CHG. VENDORS DAYTON RUBBER CO BUSHINGS INC. NO. 3221 C DATE BY TOL. ON FIN. DIMS ALL OTHER DIMENSIONS OR DO NOT SCALE SCALE MATERIAL FILM ON CLARK EQUIPMENT CO. BATTLE CREEK, MICHIGAN NOTED ASM SILENT BLOCK 20 JAN HT. TREATMENT WAS .250 Z NOTE ADDED D WAS SAE-R-630-BHKZ 23 DEC JCS CNO. ADDED WAS 1 MIN. THD A ADDED 16 JAN JCS AXLE MOUNTING HARDNESS DRAWN FOR 13 JAN JCS ea 68-557 67-971 67-651 22 MAY DRAWN BY 16 OCT CHECKED BY 26 JUL RELEASED BY 20 THRU 50 M. BRESSON DATE DATE 12 APR DATE DATE 16 MAY MB 1722071 11 OCT MB MB RN67-393