7.
2            CRUSHER ERECTION AND MAINTENANCE DATA - FLSMIDTH
                                                                                                            Contract number 08-20366-910
                                                                                                               Project Name XTRATA - Los Bombas
  CRUSHER SIZE          60" x 113" TRAYLOR TYPE "NT"                                                                          inches     mm
                                                                                                             Crusher Setting    8.00     203
  HORSEPOWER            1000HP / 750KW                                                                       Eccentric Throw    1.75      44
                                                                                                                 Motor RPM      506
  PREPARED BY           MAT                                                                              Counter Shaft RPM      506
  APPROVED BY           JON                                                                    Mantle Gyrations per minute      125
                                                                                                    Capacity (tons per hour)   8267     7500 metric tons
                                                                                     Crusher Rotation - facing Counter Shaft CLOCKWISE
  BOLT TORQUE ( with lubricated threads)
  THE FOLLOWING COMPONENTS ARE CONSIDERED CRITICAL, AND AS SUCH THEIR BOLT/ NUT TORQUE VALUES SHOULD BE VERIFIED AFTER
  INSTALLATION. FOR ALL OTHER COMPONENT TORQUE VALUES, PLEASE REFER TO THE BOLT TORQUE SECTION OF THE CRUSHER IOM MANUAL IN
  Spider Bushing Bolts                            mm               ft. lbs.   Nm
           item number 01.02.01.07        Dia     36    torque     1,024       1,389
  Spider Shield Nuts                              mm               ft. lbs.   Nm
           item number 01.02.02.15        Dia     48    torque     2,464       3,341
  Spider Super Nut Bolts                          mm               ft. lbs.   Nm                     (Only applicable to super nut type Spider Nuts)
           item number 01.02.03.01        Dia     24    torque       295       400
  Spider Hydraulic Nuts                                             lbs       kN                     (Only applicable to hydraulic type Spider Nuts)
           item number N/A                              pre load    N/A            N/A
  Top Shell Wearing Plate Nuts                    mm               ft. lbs.   Nm
            item number 01.03.02.01       Dia     24    torque       295       400
  Shell Bolt Nuts                                 mm               ft. lbs.   Nm
             item number 01.03.02.05      Dia     100   torque     24,373      33,050
             item number 01.04.01.09
  Bottom & Middle Shell Liner Nuts                mm               ft. lbs.   Nm
           item number 01.04.01.19        Dia     24    torque       295       400
           item number 01.06.03.07
  Dust Bonnet to Bottom Shell Bolts               mm               ft. lbs.   Nm
           item number 01.05.01.11        Dia     36    torque     1,024       1,389
  Bottom Plate to Bottom Shell Nuts               mm               ft. lbs.   Nm
           item number 01.05.02.11        Dia     56    torque     8,715       11,817
  Hydraulic Bottom to Bottom Shell Nuts           mm               ft. lbs.   Nm
            item number 01.05.02.11       Dia     56    torque     8,715       11,817
  Gear to Eccentric Bolts                         mm               ft. lbs.   Nm
           item number 01.08.02.01        Dia     30    torque     1,289       1,748
  Inner Eccentric Bushing Bolts                   mm               ft. lbs.   Nm
           item number 01.08.01.15        Dia     24    torque       295       400
           item number 01.08.01.17
  Bottom Cover to Hydraulic Bottom Nuts           mm               ft. lbs.   Nm
           item number 01.09.02.17        Dia     56    torque     8,715       11,817
  Mainshaft Sleeve Bolts                          mm               ft. lbs.   Nm
            item number 01.10.02.07       Dia     48    torque     5,420       7,350
  Dust Seal Retainer Bolts                        mm               ft. lbs.   Nm
            item number 01.10.02.15       Dia     30    torque       586       795
  Counter Shaft Housing Bolts                     mm               ft. lbs.   Nm
           item number 01.12.01.19        Dia     48    torque     2,464       3,341
                                                                                                     ISSUE DATE                                    27 Sep 12
                                                                                                     PAGE                                              1 of 3
                                                                                                     MADE FROM MASTER                             Master V11.0
                                          FL SMIDTH DOCUMENT NO.                                      70020685                   VER.                   1
Print Date 9/27/2012   page 1 of 3
   7.2            CRUSHER ERECTION AND MAINTENANCE DATA - FLSMIDTH
                                                                                                                             Contract number 08-20366-910
                                                                                                                               Project Name XTRATA - Los Bombas
  WEAR REPLACEMENT CRITERIA
   Crushing Surfaces
   Replace the crushing surfaces when the product size can not be maintained, or when the usual capacity can not
   be maintained, or when there is a pronounced and consistant increase in the crusher operating horsepower, or when there is
   a pronounced concave area worn into the lower row of concaves, or when there is a pronounced concave area worn into the
   lower mantle, or when there are cracked or split parts.
   Protective Surfaces
  Replace the spider arm shields, spider cap, top shell wearing plates, bottom shell outer wall liners, bottom shell rib and counter shaft
  housing shields and liners when these components are about to wear through, or when there are cracked or split parts.
   Spider Bushing                                         01.02.01.05
                                                                   inches        mm
  Replace the spider bushing when a feeler gauge greater than          0.107        2.71 can be inserted between the
  main shaft (or main shaft sleeve) and the spider bushing at the bottom of the spider bushing
   Inner Eccentric Bushing                               01.08.01.09                                                                         inches      mm
  Replace the inner eccentric bushing when the inside diameter of the inner eccentric bushing is greater than                                  42.252   1073.21
   Outer Eccentric Bushing                               01.05.01.05                                                                         inches      mm
  Replace the outer eccentric bushing when the inside diameter of the outer eccentric bushing is greater than                                  54.324   1379.83
   Eccentric Wearing Ring                                01.07.01.05                                                                         inches      mm
   Replace the eccentric wearing ring when the thickness of the eccentric wearing ring is less than                                             1.938     49.23
   Main Shaft Wearing Ring                               01.10.02.21                                                                         inches      mm
   Replace the main shaft wearing ring when the thickness of the main shaft wearing ring when measured at the center is less than               3.331     84.61
   Center Wearing Ring                                   01.09.03.09                                                                         inches      mm
   Replace the center wearing ring when the thickness of the center wearing ring when measured at the center is less than                       2.649     67.28
   Bottom Piston Wearing Ring                            01.09.03.07                                                                         inches      mm
   Replace the bottom piston wearing ring when the thickness of the bottom piston wearing ring is less than                                     2.453     62.31
   Upper and Lower Piston Bushings                  01.09.01.15 & 17                                                                         inches      mm
  Replace the upper and lower piston bushings when the inside diameter of the upper and/or lower piston bushings are greater than              38.020    965.70
   Dust Seal Ring                                          1.10.02.11                                                                        inches      mm
  Replace the dust seal ring when the inside diameter of the dust seal is greater than                                                         56.545   1436.25
  or the thickness of the dust seal ring is less than                                                                                           2.326     59.08
   Dust Seal Ring Lower (Nylon)                             N/A
  Replace dust seal ring when less than 0.5mm clearance exists between bolt head and dust seal ring lower surface
   Dust Seal Packing                                         N/A
  Replace dust seal packing if continuous contact around dust seal bonnet does not exist
   Dust Seal Bonnet                                      01.05.01.07                                                                         inches      mm
   Replace the dust seal bonnet when the inside diameter of the dust seal bonnet is greater than                                               54.054   1372.97
                                        or the outside diameter of the dust seal bonnett is less than                                          56.444   1433.67
   Main Shaft Contact Seal                               01.10.03.09                                                                         inches      mm
  Replace the main shaft contact seal when the outside diameter of the main shaft contact seal is less than                                    53.946   1370.23
   Main Shaft Sleeve (or Spider Journal)                   01.10.03.05
  Replace the main shaft sleeve or repair the main shaft spider journal area when                                                            inches      mm
  the outside diameter of the main shaft sleeve or spider journal area is less than                                                            30.899    784.83
    Main Shaft Inner Eccentric Bushing Journal             01.10.01.03
   Repair the main shaft inner eccentric bushing journal area when the                                                                       inches      mm
   diameter of the main shaft inner eccentric bushing journal area is less than                                                                41.748   1060.40
   Eccentric                                               01.08.01.03                                                                       inches      mm
  Replace the eccentric when the outer diameter of the eccentric is less than                                                                  53.676   1363.37
  or when the outside diameter of the eccentric is oval to an amount greater than                                                               0.071      1.81
  as determined by measuring diameter of the eccentric at two places 90 degrees from each other and subtracting the smallest
  measurement from the largest measurement
                                                                                                                        ISSUE DATE                                 27 Sep 12
                                                                                                                        PAGE                                         2 of 3
                                                                                                                        MADE FROM MASTER                          Master V11.0
                                               FL SMIDTH DOCUMENT NO.                                                    70020685               VER.                  1
Print Date 9/27/2012    page 2 of 3
   7.2                                                           CRUSHER ERECTION AND MAINTENANCE DATA - FLSMIDTH
                                                                                                                                                                  Contract number 08-20366-910
                                                                                                                                                                    Project Name XTRATA - Los Bombas
  GEAR SET BACKLASH
                                                                                                                      inches                    mm
                                                                                                               minimum maximum        minimum maximum
                       Required "transverse" Backlash @ heal of tooth face                                         0.091      0.102        2.30     2.59
                                                                                                                inches       mm
                                                                   Pinion Pitch radius @ heal of tooth face       10.782     273.85   (measure "transvere" backlash at this radius)
  a) Using Gaskets
   Change of "transverse" Backlash per gasket                                                                   inches      mm
                     .031" [0.787mm] gasket at Counter Shaft                                                       0.005      0.13    (with 15% compression allowance of gasket material)
                     .062" [1.574mm] gasket at Counter Shaft                                                       0.010      0.26    (with 15% compression allowance of gasket material)
                                                                  .031" [0.787mm] gasket at Bottom Plate           0.021       0.53   (with 15% compression allowance of gasket material)
                                                                  .062" [1.574mm] gasket at Bottom Plate           0.042       1.06   (with 15% compression allowance of gasket material)
  b) Rotating Countershaft Housing
  Rotation Direction                                                 Countershaft Rotation     Change in "Transverse" Backlash
                                                                     Degrees                   inches                  mm
                                                                                    -10                0.081                2.06
         -------------------------->
                                                                                     -9                0.073                1.86
                                       Anti-Clockwise Rotation
                                                                                     -8                0.065               1.65
                                                                                    -7                 0.057               1.45
                                                                                    -6                 0.049               1.24
                                                                                    -5                 0.041               1.03
                                                                                    -4                 0.033               0.83
                                                                                    -3                 0.024               0.62
                                                                                    -2                 0.016               0.41
                                                                                    -1                 0.008               0.21
  Housing Arrow Vertical                                                             0                 0.000               0.00
         <-------------------------
                                       Clockwise Rotation
                                                                                     1                -0.008               -0.21
                                                                                     2                -0.016               -0.41
                                                                                     3                -0.024               -0.62
                                                                                     4                -0.033               -0.83
                                                                                     5                -0.041               -1.03
                                                                                     6                -0.049               -1.24
                                                                                     7                -0.057               -1.45
                                                                                     8                -0.065               -1.65
                                                                                     9                -0.073               -1.86
                                                                                    10                -0.081               -2.06
                                                                                                                                                             ISSUE DATE                                27 Sep 12
                                                                                                                                                             PAGE                                        3 of 3
                                                                                                                                                             MADE FROM MASTER                     Master V11.0
                                                                                          FL SMIDTH DOCUMENT NO.                                              70020685                 VER.               1
Print Date 9/27/2012                                                page 3 of 3