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2 1'-.2-*/%"03%2$0.'"4*5(6,%"7 89*:(.$;*<%.3'-&) GAF8H*FIAJK88A L%?**GAF8H*FIAJFKKD!"#$%&'("$")*&+&,)-./0.1&2334

3 10 North Garfield Post Office Box 2250 Eugene, Oregon USA Tel FAX Dear Valued Customer: Congratulations on your purchase of Pierce Corporation s P93 Center Pivot-the pivot engineered for the 21 st century. Drawing upon 60 years of experience in water delivery, Pierce Corporation re-engineered the pivot to meet the expanding needs of our customers. Teams of skilled technicians manufactured your machine under strict quality standards. It was packed and shipped with the care that comes with Pierce Pride. This manual is your key to the safe installation and operation and maintenance. We took special care in addressing safety throughout this manual. This manual is not intended to be an electrical trouble shooting guide. Electrical malfunctions should be turned over to a qualified dealer or electrician. Thank you for making Pierce a Part of your future. It is a pleasure bringing you the finest in pivot technology. Sincerely, Pierce Corporation Eugene, Oregon

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`$*-3+1*9($ '*+6*%9.%7(-&*+.9+(-8+)$&'+3*%7+.%+& "!a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d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e+3.+9$%-5)'+3'*+.%525-(0+6$%&'()*%+.9+3'*+*`$567*-3+(+%*60(&*7*-3+;SHJ+9(&3.%8< DGMK=+=H+Eb:LT4E+=KGF+:HDDHFGHB+cADDAB=C+GB+F#E:GSG:+MEHMDA#KG:AL+DEMGHBF+cG=K+A4ZAB:E+cDG==EB+BH=G:E" /*'.#/*.#$(%4$$4'"4+(/*$$* $%-5)'+3'*+.%525-(0+6$%&'()*%+.9+3'*+)8)3*7+(+%*60(&*7*-3+;SHJ+9(&3.%8<+9.%+(-8+*6.O8+&.(3*1+&.76.-*-3+/'5&'+#5*%&*+'()+1*3*%75-*1+3.+'(W*+9(50*1+)3%$&3$%(008+()+(+%*)$ A=GBM+:HB4G=GHBF+cGLL+JE+DEYTGDE4+SHD+=KGF+cAF=EcA=ED+:HDDHFGHB+cADDAB=C+=H+A##LC" +4(/*$$*+.0(-4$(*+%"11*$0(*+6(%4+',)*31#(#7,"!)#+. ALL+SATL=F" +4(/*$$*+.0(-4$(,'#6(#7,"!)#+.(4$($#!1*%#)#+.(!*$.' SATL=F"

5 *66"."4+*1(6"'%1*")#$'9(#5%1,'"4+'(*+6(1")".*."4+'!" =KE+Eb#DEFF+cADDAB=GEF+FE=+SHD=K+AJHZE+ADE+GB+LGET+HS+ALL+GI#LGE4+cADDAB=GEF+HS+SG=BEFF+AB4+IED:KAB=AJGLG=C+AB4+ABC+FT:K+cADDAB=GEF+ADE KEDEJC+Eb#DEFFLC+4GF:LAGIE4"++=KEDE+ADE+BH+cADDAB=GEF+JECHB4+=KHFE+Eb#DEFFLC+4EF:DGJE4+KEDEGB" N" HD+4AIAMEF+ADGFGBM+HT=+HS+#TD:KAFEDQF+A:=GHBF+GB+=KGF+DEMAD4" R" :HB=DHLF" V" #5*%&*+FKALL+BH=+JE+LGAJLE+HD+DEF#HBFGJLE+GB+ABC+cAC+HD+=H+ABC+Eb=EB=+9.%+3'*+9(50$%*+.9+3'*+5%%52(35.-+*`$567* *%(3*+$-1*%+& )+3'(3+7(8+?*+&.-1$&5W* [" 6(%3+.%+6(%3)+3'(3+6%.W*+5-+#5*%&*Q)+X$127*-3+3.+?*+1*9*&35W*"++4$%5-2+3'*+/(%%(-38+6*%5.1+)$&'+1*9*&35W*+6(%3+.%+6(%3)+/500+?*+%*60(&*1+9%**+.9+&'(%2*+3.+3'*+.%525-(0+6$%&'()*%+(3+#5*%&*Q) 60(&*+.9+?$)5-*))"++#TD:KAFED+cGLL+JE+DEF#HBFGJLE+SHD+ALL+LAJHD+:HF=F+GBZHLZE4+GB+FT:K+DE#AGD+HD+DE#LA:EIEB=+AB4+SHD+ABC+FKG##GBM+:KADMEF GB:TDDE4"++#5*%&*+7(8+15)6.)*+.9+%*60(&*1+6(%3)+5-+(-8+7(--*%+3'(3+53+1**7)+953" \" ]" ^" ;!N<+IHB=KF+SDHI+=KE+4A=E+HS+=KE+FTJfE:=+EYTG#IEB=+SAGLTDE" _" #TD:KAFED+A:UBHcLE4MEF+=KA=+=KEDE+ADE+BH+ZEDJAL+AMDEEIEB=F+HD+cADDAB=GEF+:HLLA=EDAL+=H+HD+ASSE:=GBM+=KE+AJHZE+F=A=E4+cADDAB=GEF" ='*+0(/)+(-1+T-59.%7+:.77*%&5(0+:.1*+.9+3'*+F3(3*+.9+H%*2.-+)'(00+2.W*%-+(-8+&.-905&3+/53'+%*2(%1+3.+3'*+5760*7*-3(35.-+.%+& )+.9+3'*)*+/(%%(-35*)"

6 !"#$%$&' ())*+,)-+!.-/0/12+34-)514) /5.7

7 Table of Contents

8 8)*$.*$C +,,,-%./01/ ,/4&$1567&8190,./&( J2I>'!.):2C+'!2*)7'!6D'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'?&%# P)F+.'B768D525+'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''A'A'A'A'9&Q!2*)7'!)287'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'9&E'7)'9&" J2I>'!.):2C+'!2*)7'!)287'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'9&H'7)'9&$ 4)CC+37).'L28I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''9&%#'7)'9&%% I'4C6,5'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'9%/'7)'9&%0 J+6*G'R<7G'!2*)7'!)287'S27'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'9&%O'7)'9&%Q!2*)7'!)287'K)F6-C+'46.7'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''9&%E'7)'9&%"!2*)7'!)287'K)F6-C+'BT2D'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''9&%H'7)'9&%$!68+C'=)<8728I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'9&/# 8>5/&(221:;<7&8190,./&% ()*+,-+.'/##0 '''''''''''1'!2+.3+'4).5).672)8

9 %./01/02-&,?!2*)7'!)287'?7763>,+87'UE&QVHW'B7DA'['PN!?Y'A'A'A'A'A'A'A'A''R&/'7)'R&0!2*)7'!)287'67763>,+87'UHWY'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''R&O'7)'R&Q Z87+.,+D267+'L+3+2*+.'UE&QVHW'B7DAY'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''R&E'7)'R&" Z87+.,+D267+'L+3+2*+.'UPN!?Y'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''A'A'A'R&H'7)'R&$ Z87+.,+D267+'L+3+2*+.'UHWY'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''A'A'A''R&%#'7)'R&%% Z87+.,+D267+'L+3+2*+.'UL+D<3+.Y'A'A'A'A'A'A'A'A'A'A'A'AA'A'A'A'A'A'R&%/'7)'R&%0 N8D'K)F+.'L+3+2*+.'UE&QVHW'B7DAY'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''R&%O'7)'R&%Q N8D'K)F+.'L+32+*+.'UPN!?Y'A'A'A'A'A'A'A'A'A'A''A'A'A'A'A'A'A'A'A''R&%E'7)'R&%" Z87+.,+D267+'K)F+.'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'AR&%H J2I>'!.):2C+'Z87+.,+D267+'K)F+.'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'R&//'7)'R&/0 J2I>'!.):2C+'R.2*+7.628'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'R&/E'7)'R&/" ^*+.>68I'N8D'!C67+'!C<,-28I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''N&0 Q_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&O %#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&Q %Q_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&E /#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&" 0#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&H'7)'N&$ O#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&%#'7)'N&%% E#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''N&%/'7)'N&%0 H#_'^*+.>68I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'N&%O'7)'N&%Q 8)*$.*$C 1'!2+.3+'4).5).672)8 '''()*+,-+.'/##0

10 8)*$.*$C?-%./01/02 `.)<8D28I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'\&0!$0'=63>28+'B3>+,6723'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'\&O'7)'\&Q 4)87.)C'!68+C'B768D6.D'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'\&E'7)'\&" 4)87.)C'!68+C'a27>'?CC'K)F+.'K2,+.'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'\&H'7)'\&$ 4)CC+37).'L28I'a2.28I'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''\&%#'7)'\&%% Z87+.,+D267+'K)F+.']<8372)8'9)b'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''\&%/'7)'\&%0 N8D'K)F+.']<8372)8'9)b'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''\&%O'7)'\&%Q P)F'K+,5+.67<.+'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'`&// B7.)-+'P2I>7'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'`&/0 R)<-C+'46,'Z87+.,+D267+'K)F+.']<8372)8'9)b'A'A'A'A'A'A'A'`&/O'7)'`&/Q D+'A'A'A'A'A'A'A'A'A'A'A'A'A''A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''`&0O'7)'`&0Q P)8I'?.,'?C2I8,+87'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A''`&0H'7)'`&0$ c)c7'=+7+.'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a''`&o#!2*)7'!)287'l<8'p2i>7'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a'a''`&o% ()*+,-+.'/##0 '''''''''''1'!2+.3+'4).5).672)8

11 %./01/02-&?, 4)87.)C'!68+C'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'J&O'7)'J&" NC C'4),5)8+87'^5+.672)8'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'J&H'7)'J&%% =63>28+'?C2I8,+87'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'A'J&%/'7)'J&%O!,+.0&85H107&A&F5,/01/5/91&8190,./&" 8)*$.*$C 1'!2+.3+'4).5).672)8 '''()*+,-+.'/##0

12 8)*$.*$C?,,-%./01/02 *')#8 ()*+,-+.'/##0 '''''''''''1'!2+.3+'4).5).672)8

13 Getting Ready

14 WARNING! This equipment can start automatically.

15 Before your machine arrives at the field, verify that the terrain does not contain conditions that may cause structural damage. Refer to the Slope Limitations Table (right) and the Slope Considerations section following to ensure that your machine will run safely with your current field conditions. Slopes exceeding the limitations for specified span lengths could cause structural damage to the machine. To calculate the slope at a given point, divide the rise of the slope by the horizontal run of the slope, as Getting Ready-A-3 Before Your Machine Arrives Slope Limitations SPAN SLOPE 123' 15% 143' 15% 163' 12% 183' 10% 203' 5% shown in the slope details following. For example, if a slope rises one foot in ten feet measured horizontally, then the slope is 1/10, or 10%. Other more obvious considerations may include obstacles such as buildings, power poles, fences, trees, rock outcroppings, well sites, etc. Be sure that the machine will adequately clear these before assembly, or running the machine unattended. Slope Considerations On flat ground, a center pivot is subjected to certain stresses in certain proportions, all of which it is designed to easily handle. However, when the machine is subjected to various slope conditions, stresses and their proportions to each other change dramatically. Getting Ready Figure A.3 - Longitudinal Slope Pierce Corporation November 2003

16 Getting Ready A-4-Getting Ready Slope Considerations In a longitudinal slope situation as shown in Figure A.3, the spans are placed in either tension on a descending slope (as shown) or compression on an ascending slope. Exceeding the slope limitations set forth could create excessive tension and compressive forces in both spans, and especially the pivot point. Rise a Rise b % Slope = + Run a Run b Figure A Dips and Ravines In dips, or ravines, it is important that the horizontal angle between the two spans not deflect more than 18 from centerline, to prevent damage or leakage at the joint. This situation also redistributes the weights from each span so that the tower in the ravine will be required to support more than half of the total weight of each span. While the tower structure is capable of handling this load, the extra weight may cause excessive rutting of the tires in softer soils, which could cause misalignment and/or structural damage. Figure A High Centering Danger November 2003 Pierce Corporation

17 Getting Ready-A-5 Slope Considerations Another factor that should be considered with dips and ravines is the reduction of crop clearance that will occur as the span runs over the crest of the ravine. Extreme cases of dips and ravines could cause either the span undertrussing or overhang to come in contact with the ground, as shown in Figure A.4.2. This situation could occur even if the slope in question does not exceed the slope limitations for the span, so care must be taken to know where the towers will run in the field. If this situation occurs, solutions include smoothing down the slope with earth moving equipment, or reconfiguring the span lengths and tower placements of the machine to cause the towers to run over the higher spots in the field. If machine reconfiguration is chosen, be sure to consider the entire field, as changing the machine configuration to alleviate one problem may cause another problem somewhere else. Getting Ready Figure A.5 - Transverse Slope Lateral movement of a machine on a slope, as shown in Figure A.5, is when more than one tower is on the same type of slope (i.e., ascending or descending). Exceeding slope limitations here could move the center of gravity of the span sideways enough to cause the span to roll, thus collapsing the machine. On this type of slope, more weight gets redistributed to the downhill tire than the uphill tire, which could cause excessive rutting in soft soils. This situation could further be complicated by erosion of the soil in the wheel rut due to water being channeled down the rut from the machine. Pierce Corporation November 2003

18 Getting Ready A-6-Getting Ready Slope Considerations Figure A.6 - Torsional Slope Torsional loading of the span caused by each tower of one span running on opposing slopes, as shown in Figure A.6 is the most likely condition to cause actual structural damage, since the span is actually being twisted. In this situation, both slopes should be calculated and added together to determine whether or not slope limitations have been exceeded. For example, if the ascending slope was calculated at 7%, and the descending slope 6%, the overall slope would be 13%, which would be acceptable for the 123' and 143' spans only. November 2003 Pierce Corporation

19 Getting Ready-A-7 The power supply for your Pierce pivot can be provided by either the electric utility company or by an engine driven generator. The system requires 480 volts, 60 cycle, 3 phase electric power for operation. The maximum operating voltage must not exceed 504 volts AC, nor should it be operated at less than 456 volts. If you intend to operate your pivot with an electric generator, be sure to consult with your Pierce Dealer regarding generator specifications. A conventional generator may not be adequate to power your machine. You should also thoroughly familiarize yourself with the grounding and lockout/tagout procedures set forth in the Electrical and Safety & Maintenance sections of this manual. A Note on underground wire installation Power Supply Pierce Corporation provides the electrical wiring used on the pivot itself, but the buyer will need to acquire sufficient wiring to connect the pivot to its power source. All material must be new and not secondhand, and must meet all applicable sections of the National Electric Code. IT IS HIGHLY RECOMMENDED THAT A PROFESSIONAL ELECTRICIAN BE CONTRACTED TO PERFORM THE POWER SOURCE HOOK-UP. Getting Ready Pierce Corporation November 2003

20 Getting Ready A-8-Getting Ready Pivot Pad (Concrete) Figure A.8 ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION OPTION PIVOT ANCHOR BOLT SET * LOCK NUT 3/4 * WASHER SAE 3/4 * BOLT J ANCHOR 3/4 X 12 November 2003 Pierce Corporation

21 Getting Ready-A-9 Placing the Pivot The pivot point is the center of the irrigation radius. Its location defines the area to be watered, so placement of the pivot point is a critical part of the planning stage It is vitally important that the pivot point be located to maximize irrigation coverage while avoiding any potential obstacles. A survey of your property completed by a professional surveyor would be most helpful in positioning your pivot. The center of the field should serve as only a tentative position for your pivot. Once you have determined the exact center of your field, the next step will be to review the field once more and evaluate potential hazards. You can then either clear the hazards or adjust the pivot point so that the spans maneuver around them. If you decide to adjust the pivot point off-center, ensure that the new pivot will not cross the path of any other pivots already operating in adjoining fields. Your pivot will be delivered on a flatbed truck. To make unloading easier, take the time to measure in a straight line out from the pivot point and place a marker where each of the towers will go. This will guide you in accurately off loading components. Pivot Pad (Concrete) Getting Ready The concrete pivot pad is the first item of construction. If possible, the concrete work should be done prior to delivery of the machine. Enough time should be allotted to ensure proper curing of the concrete pad. Shown left is the recommended construction of the pivot pad with the required anchor bolt locations. To build the pad, first construct a wood form out of 2x6 s to the inside dimensions as shown. Lay this form on a leveled spot at the exact pivot point location. Dig a hole in each corner to the dimension shown. Next, dig a trench between the holes approximately 12 inches wide and 10 inches deep. Position rebar and reinforcing wire as shown. The pivot pad should have a slight crown to aid in water runoff and be above the grade level at least 2 inches. Pierce Corporation November 2003

22 Getting Ready A-10-Getting Ready High Profile Pivot Pad (Concrete) Figure A.10.2 ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION OPTION PIVOT ANCHOR BOLT SET * LOCK NUT 3/4 * WASHER SAE 3/4 * BOLT J ANCHOR 3/4 X 12 November 2003 Pierce Corporation

23 Getting Ready-A-11 Minimum Equipment for Machine Assembly/Set-up 1- Boom truck capable of lifting a minimum of 6,000 lbs., to a height of 15 feet. 1- Nylon strap with same or better rating as boom truck, in good condition (not frayed or cut). Note: Lifting with chain or cable is not acceptable, as this can damage coated surfaces. 1- Impact wrench, air or electric. 1- Each 9/16 through 1-1/4 impact sockets (deep well recommended). 1- Combination wrench set 7/16 through 1-1/4. 1- Deep well socket set, 3/8 drive, 7/16 through 3/4. Getting Ready 1- Deep well socket set, 1/2 drive, 9/16 through 15/ Each 3/8 and 1/2 drive ratchet. 2- Alignment bars pipe wrench Channel lock pliers. 1- Large pry bar (approximately 6 ) 1- Regular flat screwdriver. Note: Since Pierce Corporation recommends all wiring be completed by a professional electrician, tools involving the electrical hook-up are not included. Pierce Corporation November 2003

24 Getting Ready A-12-Getting Ready Elbow to Pad Relation Standard: Figure A.12.1 Elbow to Pad Relation High Profile: Figure A.12.2 November 2003 Pierce Corporation

25 Pivot Point Assembly

26 /( ")&*78"9+*'%&:;'&)%;<% ;8%$+;%":;--.=

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

29 !"#$%&!$"'%& ())*+,-./0/9 E D /0123 (%%456&('7-*8&2'8&09 1"*&:4;&1$&<')"8*&09&!"#$%&=*7 :$;*<&=%4'53"3*&!"#$%&())*+,-. C F G G E!"#$%&!$"'%&())*+,-. F D F H /0123 (%%456&1"*&:4;)&1$ >%?8)&0'&>%4'8@"@*&<' A$'9"7?;4%"$'&>6$B'!"#$%&'()*!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

30 0/>/!"#$%&!$"'%&())*+,-.!"#$%&!$"'%&())*+,-.!"#$%&!$"'% >**&A$--*5%$;&I"'7&(%%456+*'% >**&:*4;"'7&())*+,-"*) N L F DK H DE EK D E G L M DK DD DE DF DC C DN DH >-"8*&J$$%&0#*; :$-%&A*+*'%*8 <'%$&!"#$%&!48 DL H ED DG DC A64"'OP$B'&0@%"$'&0'-. A64"'&A*+*'%*8 <'%$&!"#$%&!48 DM!"#$%&'()+ EE O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

31 !"#$%&!$"'%& ())*+,-./0/?!"#$%&!$"'% D)&"0;&,/%&")*,$)-4")&"';4,)6"')-0$3;&+,$)-4"0)&"4,+-5*$*%"+-5"$-1%,"%18)24"')-,+',"9);&"5%+1%&: ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION PIVOT ELL 6 5/8" * PIVOT ELL 8" PIVOT BEARING PIVOT STANDPIPE VERTICAL TIE BAR INLET ELBOW WITH GASKET * " STANDARD GASKET PIVOT LEG #0 PIVOT CROSS TIE 17 11/16" # 1 PIVOT CROSS TIE 34 1/4" # 2 PIVOT CROSS TIE 50 7/8" # 3 PIVOT CROSS TIE 67 1/2" # 4 PIVOT CROSS TIE 84" # 5 PIVOT CROSS TIE 100 5/8" # 6 PIVOT CROSS TIE 117 3/4" # 7 PIVOT CROSS TIE 127 3/8" * PIVOT FOOT ANGLE TIE BAR TIE DOWN BRACKET * TURNBUCKLE 3/4" X 9" * 19 * * 4 1/2" PROOF COIL CHAIN * COLLECTOR RING 11 CONDUCTOR /2" X 1 1/2" G5 BOLT /2" LOCK NUT * OPTION PIVOT TIEDOWN ( INCLUDES * ITEMS)!"#$%&!$"'%&())*+,-.!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

32 A"BC&!<$D"-*&!"#$%&!$"'% >**&A$--*5%$;&I"'7&(%%456+*'% EK DM >**&:*4;"'7&())*+,-"*) DL DN DH DC DG DF DE D E F G C H N DD DK L M N!"#$%&'(), >-"8*&J$$%&0#*; :$-%&A*+*'%*8 <'%$&!"#$%&!48 O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

33 !"#$%&!$"'%& ())*+,-./0/E A"BC&!<$D"-*&!"#$%&!$"'% D)&"0;&,/%&")*,$)-4")&"';4,)6"')-0$3;&+,$)-4"0)&"4,+-5*$*%"+-5"$-1%,"%18)24"')-,+',"9);&"5%+1%&: ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION COLLECTOR RING 11 CON. * WIRE C 40 FT PIVOT BEARING VERTICAL TIE BAR PIVOT LEG 220" PIVOT STANDPIPE PIVOT ANGLE TIE BAR PIVOT CROSS BRACE HP PIVOT LEG FOOT HIGH PROFILE INLET ELBOW WITH GASKET * " STANDARD GASKET PIVOT CROSSTIE # /16" PIVOT CROSSTIE # /8" PIVOT CROSSTIE # /16" PIVOT CROSSTIE # /4" PIVOT CROSSTIE # /8" PIVOT CROSSTIE #4 84" PIVOT CROSSTIE #3 67 1/2" PIVOT CROSSTIE #2 50 7/8" PIVOT CROSSTIE #1 34 1/4" PIVOT CROSSTIE # /16" PIVOT ELL 6 5/8" * PIVOT ELL 8"!"#$%&!$"'%&())*+,-.!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

34 0/FG/!"#$%&!$"'%&())*+,-.!"#$%&!$"'%&())*+,-. H$--*7%$<&6"'B DF DK DE E F G C N D H DK C DD L F E G H M 0?%&1$&Q4"' A$'%;$-&!4'*-!"#$%&'()-. =$B*;&A$'8?"%&R*87*%"%*&>*4-&())*+,-. S())*+,-*8&>4+*&()&T@@*;&R*87*%"%*&>*4-UV O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

35 !"#$%&!$"'%& ())*+,-./0/FF H$--*7%$<&6"'B ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION COLLECTOR RING 11 COND * COLLECTOR RING BRUSH ASM /8" X 2" CARRIAGE BOLT PIVOT CABLE COND 20 FT * PIVOT CABLE COND 20 FT P93 WEDGE TITE GASKET 1 INCH P93 PIVOT CONDUIT SS 1 INCH /8" LOCK NUT P93 PIVOT ELL ASSY. 6 5/8" * P93 PIVOT ELL ASSY. 8" P93 PIVOT STANDPIPE P93 WEDGE TITE FLANGE STRAIN RELIEF 1" NPT X 3/4 ID FULL COUPLING 1" P93 COLLECTOR STOP FLANGE SPAN CABLE COND 127 FT * SPAN CABLE COND 127 FT * SPAN CABLE COND 147 FT * SPAN CABLE COND 147 FT * SPAN CABLE COND 167 FT * SPAN CABLE COND 187 FT * SPAN CABLE COND 207 FT * SPAN CABLE COND 129 FT (HP) * SPAN CABLE COND 149 FT (HP) * SPAN CABLE COND 169 FT (HP) * SPAN CABLE COND 189 FT (HP)!"#$%&!$"'%&())*+,-.!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

36 0/FI/!"#$%&!$"'%&())*+,-.!"#$%&!$"'%&())*+,-. 0*4<"'B&H-4+3&())*+,-. J(6KLKMN :*4;"'7&'?)%&,*&7;*4)*8,*9$;*& +456"'*X $;&84+47*&+4.&$55?;V >**&A$--*5%$;&I"'7 ())*+,-. D E W;*4)*&J"%%"'7)&:$%6 >"8*) F DK G F C L H C M N >**&A$--*5%$;&I"'7 ())*+,-. L!"#$%&'()-/ O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

37 !"#$%&!$"'%& ())*+,-./0/F1 0*4<"'B&H-4+3&())*+,-.!"#$%&!$"'%&())*+,-. ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION P93 PIVOT ELL ASSY. 6 5/8" * P93 PIVOT ELL ASSY. 8" P93 PIVOT BEARING P93 PVIOT ELL RETAINER HALF RING /8" LOCK NUT /2" LOCK NUT P93 VERTICAL TIE BAR P93 PIVOT STANDPIPE /2" X 1 1/2" G5 BOLT /8" X 1" G5 BOLT TRIPLE LIP + 1 GASKET 8"!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

38 !"#$%&!$"'%&())*+,-. 0/F8/!"#$%&!$"'%&())*+,-. A*4#.&OP%.&!"#$%&!$"'%&Q"% G C D E F H N P;"--&0?%&J$;&CYL&WC&:$-%!"#$%&'()-0 O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

39 !"#$%&!$"'%& ())*+,-./0/F9 A*4#.&OP%.&!"#$%&!$"'%&Q"%!"#$%&!$"'%&())*+,-. ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION P93 PIVOT CROSSTIE #2 50 7/8" P93 PIVOT CROSSTIE #4 84" P93 PIVOT CROSSTIE # /4" /2" X 1 1/2" G5 BOLT /2" LOCK NUT /8" X 1 1/2" G5 BOLT /8" LOCK NUT * OPTION PIVOT POINT HEAVY DUTY COMPLETE!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

40 !"#$%&!$"'%&())*+,-. 0/F>/!"#$%&!$"'%&())*+,-.!"#$%&!$"'%&2$;4,-*&H4<% D E F G C H M H /0123&A64"'&(;$?'8&!"#$%&:*4;"'7 I*5$+*'8&:-$5Z"'7 L /0123&:$-%&16;$?76&J$$% J";)% DD DK P21(<=&: DF DE P21(<=&( N DG DN DC DH >22&P21(<=&( >22&P21(<=&:!"#$%&'()-+ O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

41 !"#$%&!$"'%& ())*+,-./0/F?!"#$%&!$"'%&2$;4,-*&H4<% ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION P93 PIVOT CROSSTIE #2 50 7/8" P93 PIVOT CROSSTIE #4 84" P93 PIVOT CROSSTIE # /4" P93 WHEEL TOW CHAIN 28 FT CHAIN COULPLING LINK PIN HITCH P93 WHEEL TOW HITCH GB UMC TOWABLE HUB BOLT HEX G5 NF 9/16" X 1 1/2" WHEEL NUT UMC BOLT HEX G5 EG NC 1" X 2 1/4" WASHER SAE PLT 1" NUT LOCK 1" P93 WHEEL TOW CROSS TUBE P93 WHEEL TOW FRAME ASM WHEEL ASM 11.2 X 24 X 10 LH * WHEEL ASM 11.2 X 24 X 10 RH P93 WHEEL TOW ARM * OPTION WHEELED TOW CART COMPLETE!"#$%&!$"'%&())*+,-.!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

42 D E P21(<=&( >22&P21(<=&( DK M L N >22&P21(<=&: D R(I/</W3 J4)%*'&(--&1$B&A64"')&/*4; :$%%$+X&09&!"#$%)&=*7)V 16")&<'5-?8*)&16*&1$B&>*%OT@ :*%B**'&16*&!"#$%&1$B*; ('8&16*&1;45%$;V /0123&R;4@&A64"'&[*;* E F D!"#$%&'()-, P21(<=&: G C H O)7%68%&"PQQG """""""""""!"#$%&'%"()&*)&+,$)-

43 !"#$%&!$"'%& ())*+,-./0/FE!"#$%&!$"'%&2$;4,-*&=R"5 ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION CABLE 3/8" 128 FT (123 FT SPAN) * CABLE 3/8" 148 FT (143 FT SPAN) * CABLE 3/8" 168 FT (163 FT SPAN) * CABLE 3/8" 188 FT (183 FT SPAN) CABLE CLAMP /8" CHAIN (3 FT LONG) P93 PIVOT RUNNER /4" X 2" G5 BOLT /4" LOCK NUT P93 PIVOT CROSSTIE #2 50 7/8" P93 PIVOT CROSSTIE #4 84" P93 PIVOT CROSSTIE # /4" P93 PIVOT CROSSTIE # /8" * OPTION SKID TOW PIVOT 123 FT COMPLETE * OPTION SKID TOW PIVOT 143 FT COMPLETE * OPTION SKID TOW PIVOT 163 FT COMPLETE * OPTION SKID TOW PIVOT 183 FT COMPLETE!"#$%&!$"'%&())*+,-.!"#$%&'%"()&*)&+,$)- ""O)7%68%&"PQQG

44 !"#$%&!$"'%&())*+,-. 0/IG/!"#$%&!$"'%&())*+,-. """""""""""!"#$%&'%"()&*)&+,$)-!4'*- N F C E /0123 J"*-8&8;"--&DYG&6$-*) %6;$?76&5;$))&%"*)?)"'7&@4'*-&+$?'%) 4)&%;4')9*;&\"7)V G H L!"#$%&'()/. ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION 1 P P CONTROL PANEL STANDARD * P P CONTROL PANEL WITH ATT TIMER 50 HZ * P P CONTROL PANEL WITH ATT TIMER * P P BOLT 1/2 X 1 W/1/4 20 TAP 2 P P PANEL MOUNT BOTTOM 3 P P PANEL MOUNT TOP 4 P P /4 STAR WASHER 5 P P BOLT G5 EG NC 1/4 X 3/4 6 P P /4 LOCK NUT 7 P P #3 PIVOT CROSS TIE 8 P P #4 PIVOT CROSS TIE D O)7%68%&"PQQG

45 Span Assembly

46 WARNING! Operating in temperatures below 35 F (or 2 C) can cause machine icing, resulting in structural failure.

47 Span Assembly-C-3 Span Assembly Tips and Recommendations The following tips and recommendations are provided to aid in the safe and efficient assembly of pivot spans. Though different methods may vary for general assembly, the following will help to ensure that the assembly will be done, quickly, safely and will provide a strong, sound structure. Follow the bolt tightening procedure set forth in the Pivot Point Assembly Tips and Recommendations section.. When laying out pipe, any 20 sections used (143 and 183 spans only) should be located toward the center of the span, not at the ends. The Starter Pipe, which can be identified by the gussets welded to the flange, must be located at the ends of the span. The first span in the machine should be assembled with the pivot point end beginning beside the pivot point, closely in line with the pivot point connection. This will allow the span to simply be swung over to the pivot point connection rather than dragging the completed span toward the pivot point. Span Assembly Extreme care should be taken to stabilize the first span with two or three people on each side, when connecting it to the pivot point, as it will possibly tend to roll when being lifted up toward the pivot point connection. It is recommended that spans be assembled pipe-at-a-time, that is, assembling truss sets onto pipes as the pipes are bolted together, as opposed to bolting all the pipe together at once, then assembling the trussing, or spanning. If the spanning technique is preferred, proper spanning cables must be used to avoid damage to the pipe flanges. When tightening the pipe flange and receiver flange bolts, tighten bolts tightly and uniformly using a cross-tightening pattern, but do not distort the pipe flanges! This could lead to leaking at the joint. Take extra care to ensure that there is no dirt or debris between the two truss rod joining brackets at each truss rod connection. This could allow the truss rods to pull through the brackets, which could cause the span to collapse. Pierce Corporation October 1993

48 Span Assembly C-4-Span Assembly Span Assembly Tips and Recommendations Pay special attention to the assembly of the number 1 truss set on all spans. This truss set consists of 3 short legs and 2 long legs (varying by only 1 inch) and no special crosstie, as is found on the other truss sets. The long legs must bolt on toward the end of the span, and the short legs toward the middle of the span (refer to End Truss Assembly diagram). The third short leg is used as the crosstie for this truss set. It is recommended that the truss sets be bolted together as follows: Join the truss rods together and tighten the 3/8 bolt; attach the truss legs to the truss rod bracket, finger tight; attach the legs to the pipe, finger tight; attach the crosstie to the truss set, finger tight; attach the x-bracing to the truss legs (if used), finger tight. Now tighten the bolts in the order following: Truss legs at truss rod brackets; truss legs at pipe; crossties; and finally the x-bracing bolts (if used). Span Lengths Figure C.4 November 2003 Pierce Corporation

49 Span Assembly - C-5 NOTE: For Repair Of 40 Ft Pipe Order 20 Ft Starter + 20 Ft Span Pipe. ITEM DBL EP GALV PART NO. PART NO. QTY DESCRIPTION P93 STARTER PIPE 6-5/8" X 40 FT 120" RISER * P93 STARTER PIPE 6-5/8" X 40 FT 60" RISER * P93 STARTER PIPE 6-5/8" X 40 FT 10GA 120" R * P93 STARTER PIPE 6-5/8" X 40 FT 10GA 60" R * P93 STARTER PIPE 6-5/8" X 20 FT 120" RISER * P93T SPAN PIPE 6-5/8" X 38 FT (LEPA 160 FT) * P93 SPAN PIPE 8" X 40 FT 120" RISER * P93 SPAN PIPE 8" X 40 FT 10GA 120" RISER * P93 SPAN PIPE 8" X 40 FT 10GA 60" RISER * P93 SPAN PIPE 8" X 40 FT 60" RISER * P93 SPAN PIPE 8" X 20 FT 120" RISER * P93 SPAN PIPE 8" X 20 FT 10GA 120" RISER * P93 SPAN PIPE 8" X 20 FT 10GA 60" RISER * P93 SPAN PIPE 8" X 20 FT 60" RISER P93 SPAN PIPE 6-5/8" X 40 FT 120" RISER * P93 SPAN PIPE 6-5/8" X 40 FT 80" RISER * P93 SPAN PIPE 6-5/8" X 40 FT 60" RISER * P93 SPAN PIPE 6-5/8" X 40 FT 120" R AIR * P93 SPAN PIPE 6-5/8" X 40 FT 10GA 120" R * P93 SPAN PIPE 6-5/8" X 40 FT 10GA 60" RISER * P93 SPAN PIPE 6-5/8" X 20 FT 120" RISER * P93 SPAN PIPE 6-5/8" X 20 FT 80" RISER * P93 SPAN PIPE 6-5/8" X 20 FT 60" RISER * P93 SPAN PIPE 6-5/8" X 20 FT 10GA 120" R * P93 SPAN PIPE 6-5/8" X 20 FT 10GA 60" RISER P93 TRUSS LEG #1A 40" * P93 TRUSS LEG #1B 41" * P93 TRUSS LEG #2 56-1/2" * P93 TRUSS LEG #3 70" * P93 TRUSS LEG #4A 75-1/2" * P93 TRUSS LEG #4B 78-1/2" * P93 TRUSS LEG #5 81-1/2" * P93 TRUSS CROSSTIE#2 65" * P93 TRUSS CROSSTIE #3 84" * P93 TRUSS CROSSTIE #4 95" * P93 TRUSS LEG #2 56-1/2" HEAVY DUTY * P93 TRUSS LEG #3 70" HEAVY DUTY * P93 TRUSS LEG #4A 75-1/2" HEAVY DUTY * P93 TRUSS LEG #4B 78-1/2" HEAVY DUTY * P93 TRUSS LEG #5 81-1/2" HEAVY DUTY * P93 TRUSS CROSSTIE #2 65" HEAVY DUTY * P93 TRUSS CROSSTIE #3 84" HEAVY DUTY * P93 TRUSS CROSSTIE #4 95" HEAVY DUTY Span Assembly Pierce Corporation November 2003