Durt Tracker Primary Installation Manual
Contents
1. Consult ESS if any UNUSUAL conditions are observed the above These conditions may result in recommendation of a different installation position or even a different cleaner Revision 7 11 03 2014 SECTION 4 INSTALLATION DANGER Conveyor must be shut down and locked out before any installation or service work is performed WARNING If installation is to be done in an enclosed area test atmosphere for gas level or dust content Follow all welding and safety guidelines and Safe Working Procedures NOTE 1 For original equipment installation where cleaner cutouts and brackets have been fabricated into the chute during construction ignore steps 1 and 2 NOTE 2 For installation on enclosed head pulley chutework draw all dimension lines on chute wall In applications where head pulley is not enclosed custom designed brackets are necessary to ensure correct cleaner position Contact ESS for details of standard brackets available or to assist in design of special brackets Step 1 Locating Mainframe Centreline Using the typical installation drawing supplied in this manual locate the mainframe s centreline on both sides of the conveyor Measure radially 75mm from the face of the belt From this point draw an arc using the pulley s centreline as the centre point The centreline of the mainframe can be located anywhere along the radius as long as the blade does not lie in the material s trajectory The optimum position is for the bla2. If Yes WHY Was this a standard O service O inspection O installation Yes No If No WHY Was work carried out as per procedure and JSA Yes No If No WHY Is equipment fit for commissioning Yes No If No WHY Was a final inspection carried out while plant was running Yes No If No WHY Has anything changed from previous service inspection installation Yes No If Yes WHAT Is equipment performance to Client expectations Yes No If No WHY ESS Signature Client Signature Revision I 20 11 03 2014
3. removable pin Blade replacement is quick and easy Important Points to Remember Concerning the PIT VIPER Primary are 1 The cleaner is directional it will only clean the belt travelling in the design direction However the cleaner will not be damaged or affected by belt direction reversal 2 The cleaner is suitable for use on crowned head pulleys and damaged or grooved belts The urethane blades quickly conform to the belt profile 3 For slow moving belts the cleaner should be positioned lower on the head pulley to ensure the blades are clear of the main material flow Revision I 6 11 03 2014 SECTION 3 PREPARATION FOR INSTALLATION 1 CHECK INSTALLATION DRAWINGS Ensure that you have the correct drawings and equipment for your conveyor s 2 PRE ASSEMBLE THE CLEANER S AND MOUNTS Do this in your workshop or similar free area rather than at the Conveyor This will enable you to verify all required equipment is present familiarise yourself with the cleaner assembly allow you to plan the installation reducing installation time 3 ASSEMBLE THE NECESSARY TOOLS amp SAFETY EQUIPMENT REQUIRED FOR THE INSTALLATION 4 OBSERVE THE CONVEYOR WHILE RUNNING AND CONVEYING MATERIAL Observe the material trajectory Observe the belt direction does it reverse or roll back Observe the belt splice condition Does the belt run true or track off to one side Is the Head Pulley out of round
4. compress Release the pipe wrench Step 8 For cleaners fitted with optional dual tensioners repeat above procedure for other side For cleaners with one tensioner only fit the locking collar onto the far end of the cleaner mainframe again locking it into position 1 2mm clear of the mount Revision 12 11 03 2014 SECTION 6 SPRING TENSIONER ADJUSTMENT PROCEDURE Note The Spring Tensioner is mounted externally to the conveyor chute and as such is normally able to be adjusted with the conveyor in service Under no circumstances should any person reach into or enter a conveyor enclosure while the belt is running For any conveyor belt cleaner service maintenance or adjustment that requires entry to the conveyor enclosure by any part of the body first ensure that the conveyor is shut down and locked out to site safety procedures Warning Contact with moving conveyor components can result in severe injury or death To adjust the Pit Viper Spring Tensioner Loosen the locknut away from the adjusting nut on the adjusting rod Turn the adjusting nut until the cleaner blade is pressed against the belt and the spring begins to compress Continue until the spring is compressed to the length shown in the following table 1 Once the correct spring compression is achieved run the locknut up against the adjusting nut and use two wrenches to tighten the nuts together For cleaners with optional dual tensioners repeat this procedure on
5. the opposite side Table 1 Belt Width Spring Length 450 95 500 95 600 92 750 92 900 89 1050 89 1200 86 1350 83 1500 80 92 1800 77 897 Note For Cleaners with optional dual tensioners The settings shown are for each tensioner Revision I 13 11 03 2014 SECTION 7 PIT VIPER AND SPRING TENSIONER MAINTENANCE PROCEDURES 5 1 Warning The following procedures may only be performed on a conveyor that is shut down and locked out to site safety procedures Contact with a moving conveyor or its components can result in serious injury or death Resetting the Spring Tensioner The Spring Tensioner can occasionally run out of adjustment before the cleaner blade is fully worn way 5 2 In this case the tensioner can be reset to the adjustment start point in the following Shut down and lock out the conveyor For optional dual tensioner cleaners perform this procedure one side at a time Release the lock nut and run it fully out Gradually release the adjusting nut In some cases the cleaner will slowly de adjust with the nut and in others it may stick then drop suddenly Keep fingers clear When the adjusting nut is fully retracted grip the cleaner mainframe with a pipe wrench and release the lock screws in the operating arm Rotate the cleaner mainframe so that the blade tip lightly touches the belt and hold it in this position By hand fully retract the oper
6. 682 MACKAY die ui Phone 07 4952 4600 aget PO Box 5755 Fax 07 4952 4717 Mackay Mail Centre QLD 4741 essmac esseng com au MAITLAND sake uen GE Phone 02 4932 3544 ohnson Stree Maitland NSW 2320 02 acon essmai esseng com au PERTH Ge Phone 08 9370 3155 ayswater 26 Midas Road Fax 08 9272 5130 Malaga WA 6090 essper esseng com au TOWNSVILLE Unit 6 40 42 Carmel St Phone 07 4755 2776 Os Fax 07 4779 6236 esstow esseng com au SOUTH AUSTRALIA 5 Cormorant Court Mobile 0408 948 175 Middleton SA 5213 esssa esseng com au VICTORIA Unit 4 314 Governor Road Phone 03 9580 0388 Braeside VIC 3195 Fax 03 9587 51 99 essvic Qesseng com au WOLLONGONG Unit 1 20 Doyle Avenue Phone 02 4272 4422 PO Box 343 Unanderra NSW 2526 esswol esseng com au Fax 02 4272 4434 TOLL FREE 1800 074 446 FROM ANYWHERE IN AUSTRALIA VSS TOLL FREE 1800 300 877 Revision 11 03 2014 INDEX SECTION 1 SECTION 2 SECTION 3 SECTION 4 SECTION 5 SECTION 6 SECTION 7 SECTION 8 SECTION 9 SECTION 10 SECTION 11 SECTION 12 SECTION 13 Revision SAFETY INTRODUCTION PREPARATION FOR INSTALLATION INSTALLATION SPRING TENSIONER TENSIONER ADJUSTMENT PROCEDURE MAINTENANCE PROCEDURES COMMISSIONING OPERATOR TRAINING TROUBLE SHOOTING INSTALLATION ARRANGEMENT DRAWING SPARE PARTS FINAL CHECKLIST 3 11 03 2014 WARRANTY NOTE ESS WARRANTS the Pit V
7. A02 30V lg VI e SH3NHOO dHVHS Sang Tiv 3JAONWSH 2015 30193390 3015 avs 1138 H15N31 XVN 031512395 3SIMH3HIO SS3 Nn S3HI3ATITIA NI SNOISN3AIQ TY 37595 LON OQ INNOW X313 81102 4301 AYITI WON 18 71803 Revision SECTION 12 SPARE PARTS Item Description No Part Number Req d 1 Pit Viper Mainframe 1 15330XXX 2 Pit Viper Blade Orange 1 33900XXX 3 Pit Viper Blade Retaining Lock Pin 1 33900001 4 Flex Mount 2 09010057 5 Flex Bush FRAS Urethane 2 09010055FM 6 Spring Tensioner Anchor Plate 1 09010334 7 Spring Tensioner Adjusting Rod c w Nuts 1 09010331 8 Spring Tensioner Operating Arm 1 09010330 9 Spring Tensioner Spring 1 09010335 10 Lock Collar 1 09010041 Notes 1 Items 1 and 2 Part Number XXX denotes belt width in cm Example for 750 belt use 075 2 Items 1 4 6 7 8 10 Add S suffix to part number for stainless steel 3 Item 5 is available in a number of materials contact ESS for further details Revision I 19 11 03 2014 SECTION 13 FINAL CHECKLIST Site Number Date Site Equipment No Location Site Contact Completed By Circle Yes or No Below Was equipment to ESS Specification Yes No Drawing No Ref Attached Yes No If No WHY Will this affect performance Yes No
8. AUSE SOLUTION Mainframe undersized Stiffened mainframe required Contact ESS for assistance Excessive tension Relax blade tension to maximum tension recommended in installation instructions Blades folded through mainframe and belt week Contact ESS if excessive deflection occurs PROBLEM Higher blade wear rate than estimated CAUSE SOLUTION Cleaner over tensioned Tension cleaner enough to clean the belt only Incorrect blade material Contact ESS for re appraisal PROBLEM Insufficient cleaning too much carryback CAUSE SOLUTION Cleaner under tensioned Build up on blade Rap blades against belt Increase service frequenc Cleaner overloaded Add additional secondary cleaner Secondary cleaner not functioning Service the secondary cleaner correctly Revision I 17 11 03 2014 SECTION 11 ARRANGEMENT DRAWING 60 1 91 71804 El Wddd 05 0 Onimyaa san awvos u 48 Nad rs IN3W39NVHSHV NOLIVTIVISNI SINNOW 9 M3NOISN3L ONE MI AND AYVAldd sdlA IV 5914405 ONY 5344835 S53 HO TAH dat 300385 TOHLUA ALAYA 201 ANY GL NAOHS YO DU 3d LON TR LI ULTALd 30448 ONY 5934335 MTM 553 30 Alt3dOsd IHL 8 ON TVLLNIOHNO SI 01530 ONY SIHI 93740 0081 ON ZOE YIWOISNO S3llddnsS S39IAM3S SNIBH33NISN3 Tm Si Je Ch 5 Se HIVO SSNOISIA H Aa SONIM
9. Engineering Services amp Supplies Pty Ltd Phone 1 800 074446 Visit our Web Site www esseng com au Pit Viper Conveyor Belt Primary Cleaner a MARTIN ENGINEERING Installation Operations Manual Revision Description of Change Changed By Date A First Issue TT 31 3 09 B CR 2430 dimension correction update graphics TT 3 4 09 Updated Melbourne Address amp Removed SA Address SH 3 08 09 D Final Checklist Updated Items 4 amp 5 Reversed SH 15 04 10 E Revised Drawing F0347 revision D KO 14 03 11 F F0347 deleted amp replaced with correct drawing F0374 see SH 28 04 11 CR3888 G Updated dwg F0374 removed Mt Isa contact details KO 21 06 12 H Updated format of manual KO 5 1 13 Updated office details KO 11 3 14 Revision 1 11 03 2014 ENGINEERING SERVICES and SUPPLIES OFFICE DETAILS Location Address Phone amp Fax CURRUMBIN D d Way Phone 07 5589 2000 OX Currumbin QLD 4223 eae Oi ee ane esscur esseng com au EMERALD SA His Roberts Street Phone 07 4982 4855 OX Emerald OLD 4720 Fax 07 4987 5118 esseme esseng com au GLADSTONE ur SE Street Phone 07 4972 3759 Ox Gladstone QLD 4680 pa it eee GG essgla esseng com au KALGOORLIE E A Phone 08 9021 7991 algoorlie 10471 08 9021 7291 Kalgoorlie WA 6433 esskal esseng com au KARRATHA Phone 08 9144 0689 Fax 08 9144 0
10. PYRIGHT TO ESS ENGINEERING SERVICES AND SUPPLIES PTY LTD ALL RIGHTS RESERVED Information contained herein is for use in the operation of the Pit Viper purchased from ESS and cannot be passed on to any other party without express permission in writing from ESS Revision I 4 11 03 2014 SECTION 1 SAFETY All equipment installed on or around a conveyor belt must comply with AS 1755 2000 Conveyors Safety requirements Ensure that only suitably qualified and trained personnel install and service this product and that all site and statutory safety procedures are followed The PIT VIPER PRIMARY CLEANER is designed to be quickly and easily serviced by appropriate personnel however under no circumstances should any personnel attempt installation or service of this equipment whilst the conveyor belt is running The conveyor belt drive and any associated equipment must be shut down and locked out according to plant safety procedures before attempting work requiring access to or opening of the chute or conveyor enclosure Contact with a moving conveyor belt and its drive components can result in serious injury or death The PIT VIPER Cleaner may be inspected or the tension adjusted with the belt running as long as suitable visual access is available but the service person should never reach into or enter the conveyor enclosure No other service work is able to be carried out with the conveyor running Shut down and lock out the c
11. VEC 39h RC E Ta as li 20551 LINGQYd MIN V e M dS 11 0300 SHi l 1138 aal LL as S3 3109 099 swm Ino In 3 T 07 JWYY4 0300Y 9333 1158 0504 054 HIDON31 3AV83 0082 0542 00EZ OOLL 007 054 553 LIVINGI 03SVv333 N33 138 dil SLI STIV130 303 38 135330 Widvd 3Hl 05 NvHI 54371109 QV3H 304 3 MOT WISdLVW 30 9930 S Y3NV41 JHL 34 SN3 NOISNAWIC 13 330 Wwidva uus JHL NIVINIVW Ov3H JHL 30 TVLNOZINOH 3Hl M0139 5 3 A 51 H3NV31 W3dIA Lid FHL 20 NOLLV TIVLSNI WAWILdO L 0081 oost oser ooz oso 006 009 00s SALON 03811034 51 83N33JILS dl 100 971 0351 LON SI 3000 VAI V JAHM ONY 31 2 035019 3 303 9130 100112 31nHj Ki 10D Ae ALON 81 S310H 7 43 05 iQV 18 057 HIGIM 1738 SINNOW X314 YANGISNAL SNIWdS 553 NOIL23S 1108 9LW 303 810 S310H 1332938 330 03 15 1 190 2019 108 3319 3NO QUVANV Nid 3201 3I8VAON323 NO 08 1 CA m P ad CH w 5 seg 16 C A i Aamind J 100102 VAI 0 033 JI 3 354115 3
12. ating arm against the spring and adjusting nut Re tighten the lock screws in the operating arm Release the pipe wrench from the mainframe and follow the adjustment procedure in the previous section For cleaners with optional dual tensioners this procedure is even easier The opposite side tensioner will hold the cleaner in position so the use of a pipe wrench is not necessary but the procedure should be carried out on both sides before retensioning to equalise the tensioner positions Blade Replacement Shut down and lock out the conveyor Release the locknut and run it fully out both sides for a dual tensioner cleaner Gradually release the adjusting nut both sides for dual tensioners In some cases the cleaner will slowly de adjust with the nut and in others it may stick then drop suddenly Keep fingers clear Remove the cleaner blade Remove the lock pin and withdraw the blade from the mainframe Fit the new cleaner blade If the tensioner prevents the new blade from fitting to the belt reset the tensioner by reversing the procedure described above Slide the new blade onto the mainframe until it engages the fixed pin Refit the lock pin Adjust the tensioner s as described in the previous section Return the conveyor to service Revision 14 11 03 2014 SECTION 8 COMMISSIONING Step 1 Step 2 Step 3 Step 4 Step 6 Revision RE CHECK ALL INSTALLATION DIMENSIONS AND SETTINGS Double check the item
13. bracket in the desired position Position the mainframe so that the blade mounting flat bar is centred on the belt Revision 9 11 03 2014 Step 5 Check the position of the mainframe gt Is the centre line of the mainframe positioned 75mm from the belt face gt Is the mainframe level or equal to the pulley shaft Fit the blade to the mainframe by locating it on the flat bar then sliding until the far end of the blade engages on the fixed pin Fit the removable pin to the operator end of the blade flat bar interface Rotate the mainframe until the blade contacts the belt gt Does the blade tip touch evenly across the belt For crowned head pulleys ensure that the outside ends of the blade are an equal distance from the belt whilst the centre of the blade is touching Again these gaps will quickly close on tensioning If any questions above have been answered take appropriate action to correct the installation If all questions are answered YES proceed Step 6 Securely bolt the cleaner mounts brackets and weld the CYA door frame to the chute wall If not already done fit the tensioner assembly ies to the mount s Centre the blade to the head pulley or the belt if it is correctly tracked All ESS cleaners are designed to clean an area narrower than the actual belt width This is to allow for a small amount of lateral movement of the belt and to protect the edge of the belt from possible damage Latera
14. de tip to be between 0 and 15 below the horizontal centreline NOTE Material trajectory is defined as the path of the material being discharged from the belt CTORY Revision I 8 11 03 2014 Verify Mainframe Position before Proceeding Position the mount and tensioner assembly over the centreline marks for the mainframe Verify that the mounts fit and that adequate room is available to tension the cleaner If used position the CYA door frame to ensure it fits If mounts tensioner or door frame interfere with structural members it may be necessary to locate the cleaner elsewhere on the 75mm offset radius If the tensioner only interferes remember that the tensioner can be reverse assembled or that the mount and tensioner assembly may be rotated about the cleaner centre line The side of the chute from which inspections adjustments and servicing will be carried out will be referred to as the Operator Side The opposite side of the chute will be referred to as the Far Side and will only require access other than at installation on large belts where an optional second tensioner assembly may be added for more uniform application of tensioning force Step2 At the selected mainframe mounting positions mark out and cut the mainframe and mount fastener holes if required in each side of the chute Refer to the installation drawing at the back of this manual If a CYA door is to be installed use
15. ing two of the existing M16 mount bolts Ensure that the plate is in the correct orientation for the desired tensioning direction The anchor plate can be installed on the opposite side mount holes for tensioning in the opposite direction The anchor plate and tensioner assembly can also be turned upwards to suit site restrictions Step 2 Slide the operating arm onto the cleaner mainframe again ensuring that it is in the correct orientation for the desired tensioning direction Step 3 Insert the threaded end of the adjusting rod through the operating arm slot with the clevis end toward the anchor plate Step 4 Fit the adjusting rod clevis onto the anchor plate pin and secure with clip provided Step 5 Fit spring washer nut and locknut to the threaded end of the adjusting rod Only run the adjusting nut a few turns onto the adjusting rod Do not try to adjust or compress the spring yet Step 6 Using a pipe wrench or similar grip the mainframe and rotate the cleaner until the blade tip is lightly touching the belt With the operating arm fully retracted against the spring lock the operating arm onto the cleaner mainframe by tightening the two lock screws Ensure that the operating arm hub is 1 2mm clear of the mount to allow free rotation without excessive lateral movement of the mainframe Step 7 Whilst still supporting the cleaner with the pipe wrench adjust the nut not locknut against the spring until the spring just begins to
16. iper to be free of defects both in materials and workmanship for a period of 12 months from the date of despatch of the product from the ESS factory The warranty given by ESS in this regard will extend only to replacing or repairing product shown to be defective The warranty also is subject to the following restrictions a Installation of the product contrary to the instructions contained in the supplied manual will void such warranty absolutely b The warranty will not extend to any liability for injuries incurred and which result from the use of the product contrary to the instructions in the manual c Save as prescribed by law ESS will not be liable for any damage sustained by a purchaser or a third party by way of consequential loss arising out of defects in the product You are asked to note that ESS offers purchasers a service whereby either a It will install the product and certify the correctness of such installation or b Certify the correctness or otherwise of the installation of the product by third parties This certification service is designed to ensure that you obtain the full benefit of the ESS warranty hereby provided If you would like to take advantage of the installation certification service provided please contact ESS regarding the service Refer to the Final Checklist at the back of this manual Visit the ESS website www esseng com au to register your product warranty THE CONTENTS OF THIS MANUAL ARE CO
17. l movement of the mainframe is prevented by the tensioner s locking hub and a lock collar on the far side mount Where optional dual tensioners are used the tensioner locking hubs only are used Lock these items in position allowing about 1 2mm of end float in the cleaner mainframe Step 7 WHERE A CYA DOOR IS FITTED Measure the position of the mainframe in relation to the CYA door frame Mark this position on the CYA door rubber cover and cut a neat hole approximately 50mm diameter in the cover Cut a straight line from this hole to the nearest edge of the rubber cover Install the rubber cover over the mainframe pipe and push into place on the door frame Anchor the loose end of the cover lanyard Revision I 10 11 03 2014 SECTION 5 SPRING TENSIONER The ESS PIT VIPER Primary Cleaner is mounted to the conveyor structure via ESS Flex Mounts The Flex Mount is a steel mount plate with a urethane bush Other bush materials are available for special applications The Spring Tensioner unit attaches to the existing mount bolts The Spring Tensioner is a simple robust and reliable blade tensioning unit It can be assembled to tension in either the clockwise or anti clockwise direction and has multiple mounting positions for each direction e Anti Clockwise Tensioning o CY RAM Anchor Plate Revision 11 11 03 2014 Step 1 Fit the anchor plate to the mount us
18. onveyor for any work requiring any part of the body to enter the conveyor enclosure or be exposed to moving components The following hazards that may be present when installing this equipment Hazard Hazard X Moving Conveyor ISOLATE Other Hot Work Other Working at Heights Other Heavy Lift Other Persons Working Overhead Other Persons Working Below Other Electrical amp Cabling Other Pinch Points Other Trip Hazards Once hazards have been identified the installer should undertake and document a comprehensive Job Hazard Analysis according to site requirements and good safe working practice The installer must identify all hazards and apply appropriate controls before proceeding with the installation or servicing of this equipment Revision 5 11 03 2014 SECTION 2 INTRODUCTION The PIT VIPER is a conveyor belt primary cleaner It is normally mounted on the face of the conveyor belt head pulley and is designed to peel off the thick layer of loosely adhering material that often accounts for up to 8096 of carryback The PIT VIPER Primary is normally used in conjunction with at least one secondary cleaner such as the Inline Premium Secondary Cleaner and often with a water spraying system The one piece blade is made of cast urethane with an aluminium extrusion insert for locating to the cleaner mainframe The blade is secured to the mainframe with one fixed and one
19. or employ ESS on a contract basis to maintain the cleaners so that they remain at optimum efficiency The benefits of efficient cleaners outweigh the cost of maintaining the cleaners many times If you wish to have your cleaning system maintained on a regular contract basis contact ESS f not train your own personnel as follows 1 2 Adhere to all local safety rules Give a Hands instruction with the conveyor system shut down Give a Hands On instruction with the conveyor system running All service must be recorded and given to a person of responsibility Encourage the person being trained to look for possible problems developing on the system eg belt tracking excessively tears or damage to belt seized idlers missing bolts etc A warning to the maintenance department to rectify small problems can save the company a lot of money in repairs and production costs Impress how important it is to maintain and service the cleaners correctly Revision I 16 11 03 2014 SECTION 10 TROUBLE SHOOTING PROBLEM Blade folds through on start up CAUSE SOLUTION Incorrect angle of attack Relocate mounts so that the shaft is 75mm radial from installation dimensions the belt face on the head pulle Relax blade tension to maximum tension recommended in installation instructions water if material is unavailable Poor belt condition Repair belt dress spices to smooth contour PROBLEM Mainframe bent C
20. s in previous sections safety preparation installation IS THE BELT EMPTY Make sure there are no foreign objects such as tools or clean up debris left on the belt They may damage the belt cleaners or clog up the conveyor systems PLACE CONVEYED PRODUCT ON THE BELT Place some material on the belt before starting up system This helps to quickly Wear in the blades and reduce the initial friction between the belt and the blades Handfuls of conveyed material spaced along the belt will do The belt may also be moistened with water START THE CONVEYOR Follow the established safety rules OBSERVE THE CLEANING ACTION Observe the belt and the action of the cleaner Place material on the belt Look for uniform blade contact on the belt Run for 5 minutes to get a good idea of the action and the effect of the splices on the belt cleaner DEMONSTRATE THE SYSTEM TO THE OPERATING SUPERVISORS AND CREW Call the supervisors responsible for maintenance and operation to the site Make a short run of the system putting material on the belt Show the operator how to adjust and operate the system SECURE THE SYSTEM FOR PRODUCTION Follow plant procedure to secure the conveyor for actual production 15 11 03 2014 SECTION 9 OPERATOR TRAINING The decision to purchase ESS cleaning equipment has put within easy reach the reality of a clean plant The last step is the correct training of personnel to maintain and service the equipment
21. the door frame as a template to mark the door cut out on the operator side Proceed to cut the door hole but ensure that the marked centre lines of the cleaner are not totally removed you will need these to position the mainframe Fit the CYA door frame over the cutout and tack weld in position If a stand off bracket is to be bolted over a CYA door the mounting holes also need to be cut or drilled Step 3 The Pit Viper Mainframe is a fabricated member comprising a length of DN40 steel pipe with a steel flat bar for attachment of the blade On wider belts an additional flat bar stiffener is added Remove the blade from the mainframe Do this by removing the lock pin then sliding the blade clear of the fixed pin at the opposite end The blade will then come free of the mainframe Insert the mainframe without the blade through the mount or CYA door cutout in the operator side of the chute and continue until the far end of the mainframe passes through the far side mount cutout Ensure that the removable pin end of the mainframe is toward the operator side of the chute Be careful not to lose the lanyard and lock pin from the mainframe Step 4 Slide the operator and far side mounts on to the mainframe ends then clamp or loosely bolt the mounts to the chute walls If a stand off bracket is to be used over a CYA door and the cutout has been made fit the operator side mount to the appropriate stand off bracket and clamp or bolt the stand off
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