MODELS 797-32N, 797-32NC & 797-48N
Contents
1. 6 8 Replacing the Belt 6 10 Adjusting the Blade Frames When Slices Vary in Thickness 6 11 Adjusting the Clearance Between the Blade Frames 6 12 RECOMMENDED SPARE PARTS 0797820027 7 1 REPLACEMENT PARTS SECTION MAIN FRAME 8 ROCKER 0797520028 8 1 Drawing 8 1 Parts List 8 2 BASE amp CASTER 0797820029 9 1 DraW ng 9 1 Parts 9 2 Continued Rev 9 6 02 0797820020 0 1 OLIVER 797 N BREAD SLICER INDEX Continued REPLACEMENT PARTS SECTION Continued Section Description Document No Page No SLICE PARTS 8 HOLDDOWN 0797520030 10 1 Drawing 10 1 URE2. PART DESCRIPTION ENCLOSURE SWITCH BELT V 4L36 1 2 PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR COVER SWITCH ENCLOSURE SWITCH STARTER COVER RECEPTACLE ENCLOSURE RECEPTACLE 110 115 VAC Parts List 1 2 HP 230 VAC 60 Hertz 1 Phase ITEM NO OO PART DESCRIPTION ENCLOSURE SWITCH BELT V 4L36 1 2 PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR COVER SWITCH ENCLOSURE SWITCH STARTER COVER RECEPTACLE ENCLOSURE RECEPTACLE 220 230 VAC Parts List 1 2 HP 110 VAC 50 Hertz 1 Phase ITEM NO PART DESCRIPTION ENCLOSURE SWITCH BELT V 4L36 1 2 32 CHUTES BELT V XDV48 380 48 CHUTES PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR COVER SWITCH ENCLOSURE SWITCH STARTER COVER RECEPTACLE ENCLOSURE RECEPTACLE 110 115 VAC Parts List 1 2 HP 220 VAC 50 Hertz 1 Phase ITEM NO OO NOU Rev 10 13 04 PART DESCRIPTION ENCLOSURE SWITCH BELT V 4L36 1 2 32 CHUTES BELT V XDV48 380 48 CHUTES PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR COVER SWITCH ENCLOSURE SWITCH STARTER COVER RECEPTACLE ENCLOSURE RECEPTACLE 220 230 VAC For Service Parts Call Oliver Products 800 253 3893 0797820035 PART NUMBER 0797 3393 001 5601 1966 4575 7103 2001 4575 7103 2004 6301 3609 0797 3394 001 5709 1125 0797 3385 5769 0524 PART
3. 4 4 Operating the Gravity Feed s Last Loaf Pusher 4 4 TROUBLESHOOTING 0797820025 5 1 The Slicer Will Not Start Motor is Not Humming 5 1 The Slicer Will Not Start Motor is Humming 5 1 Bread Slices Vary in Thickness 5 2 The Blade Frames are Knocking 5 2 The Slicer Vibrates Excessively 5 2 The Bread is Cutting Slowly or is Being Damaged 5 2 MAINTENANCE 0797520026 6 1 Cleaning 6 1 Lubrication 6 1 Removing the Blade Frames 6 2 Changing the Blades 6 6 Tightening the Belt
4. INCIDENTAL OR CONSEQUENTIAL DAMAGES GEN 040228 OLIVER Oliver Packaging amp Equipment Company WARRANTY PROCEDURE If a problem should occur either the dealer or the end user must contact the Parts and Service Department and explain the problem The Parts and Service Manager will determine if the warranty will apply to this particular problem If the Parts and Service Manager approves a Work Authorization Number will be generated and the appropriate service agency will perform the service The service dealer will then complete an invoice and send it to the Parts and Service Department at Oliver Products Company The Parts and Service Manager of Oliver Packaging and Equipment Company will review the invoice and returned parts if applicable and approve for payment GEN 040226 OLIVER Oliver Packaging amp Equipment Company RETURNED PARTS POLICY This policy applies to all parts returned to the factory whether for warranted credit replacement repair or re stocking Oliver Packaging and Equipment Company requires that the customer obtain a Return Material Authorization RMA number before returning any part This number should appear on the shipping label and inside the shipping carton as well All parts are to be returned prepaid Following this procedure will insure prompt handling of all returned parts To obtain an RMA number contact the Repair Parts Deptartment toll free at 800 253 3893 Parts returned for re stocking
5. 3 19 10 OLIVER 797 N BREAD SLICER MAIN FRAME ROCKER PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER 001 FRAME MAIN 0797 3000 002 PLUG 3 16 HOLE 5 69 3000 003 PLUG 5 8 HOLE 5769 3005 004 PIN ECCENTRIC 0777 0034 007 LINK BLADE FRAME 0711 0002 008 CLIP HAIRPIN 5835 7705 009 CLAMP POWDER COAT WHITE 0730 0023 011 SLIDE DRAWER 0797 0053 012 BAFFLE CRUMB 0797 0117 016 SLIDE DRAWER NOTCHED 0797 0053 004 017 BRACKET MOTOR 0797 3420 022 CLAMP MOTOR BRACKET 0797 3419 023 BOLT SPECIAL 0797 3418 025 BEARING BALL 5220 4040 026 CAP BALL BEARING OUTSIDE 4090 0233 0023 027 CAP BALL BEARING INSIDE 4090 0233 0044 030 RING RETAINNG TRUARC 5840 1040 031 BEARING BALL 5220 5040 032 CAP BALL BEARING DR PULLEY 4090 0244 0005 038 GASKET CORK 6904 6001 039 TRAY EXTRA CAPACITY CRUMB 0797 3079 040 WASHER 0797 3471 101 ROCKER 0732 0012 001 106 SHAFT SWING 0730 0024 001 107 COLLAR HOLD DOWN 0797 0031 002 108 COLLAR LOCATING 0797 0031 003 110 ROD THREADED NYLON 3 8 16 5840 8076 111 SCREW SOCKET SET 3 8 16 X Va 5842 6156 112 BEARING BALL 5220 0042 FOR SERVICE PARTS CALL OLIVER PRODUCTS 800 253 3893 Rev 3 19 10 0797520028 8 2 OLIVER 0797520029 797 N BREAD SLICER BASE CASTER ASSEMBLY 9 1 OLIVER 797 N BREAD SLICER BASE CASTER PARTS LIST ITEM NO PART DESCRIPTION 151 BASE 16 CASTER 911 CASTER 3 RIGID 912 CASTER 3 SWIVEL FOR SERVICE PARTS CALL OLIVER PRODUCTS 800 253 3893 0797520029 PART NUMBER 0797 3068
6. 5902 2363 5902 2364 9 2 OLIVER N zum 797 N BREAD SLICER SLICE PARTS HOLDDOWN SERE cd ASSEMBLY OLIVER ITEM NO 201 205 209 601 602 603 606 607 608 609 612 797 N BREAD SLICER SLICE PARTS HOLDDOWN PARTS LIST PART DESCRIPTION BRACKET HOLDDOWN HOLDDOWN KNOB FRAME STST BLADE KNIFE TYPE A PIN STST METRIC BLADE FRAME BOLT EYE WASHER BELLEVILLE SPRING CAM GUIDE KNIFE TOOL BLADE CHANGING Specify Slice Thickness Not Shown on Drawing FOR SERVICE PARTS CALL OLIVER PRODUCTS 800 253 3893 Rev 8 2 04 0797820030 PART NUMBER 0797 3012 0797 0358 201 5911 7001 0797 0300 5XX 0797 0029 1 0797 0059 2 0777 0970 5852 0050 0777 0971 0797 0092 0XX 0797 0183 10 2 OLIVER de P gt Equit 797 N BREAD SLICER 32 INCH GRAVITY INFEED CHUTE ASSEMBLY EE 3 61 9 Em 0797820031 OLIVER 797 N BREAD SLICER 32 INCH GRAVITY INFEED CHUTE PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER 301 BRACE RH 32 CHUTE 0797 3403 0001 302 BRACE LH 32 CHUTE 0797 3403 0002 303 BEARING BRONZE 5254 0300 307 TOP 32 GRAVITY CHUTE 0797 3404 310 TRACK RH PUSHER 0797 3405 0001 311 TRACK LH PUSHER 0797 3405 0002 313 CARRIAGE PUSHER 0797 3406 314 WHEEL CARRIAGE 0797 3407 315 RING RETAINING 5840 2837 317 LINK 0797 3408 318 SHAFT DE 6 LONG 0797 3409 319 SHAFT DE 6 9 16 LONG 0797 3409 0
7. ADJUSTED WITH HAND PRESSURE IN A FASHION SIMILAR TO THAT OF THE INFEED GUIDES AS WITH THE STANDARD OUTFEED TABLE ALIGN THE OUTFEED GUIDES WITH THE INFEED GUIDES Operating a Gravity Feed Slicer Once the slicer has been properly adjusted for product clearance the infeed chute may be loaded with the product to be sliced Flipping the starting switch to the ON position will begin operation Remove each sliced product from the discharge table as it is sliced 0797820024 4 3 OLIVER 797 N BREAD SLICER NOTE THE GRAVITY FEED SLICER S OPTIMUM OPERATING EFFICIENCY WILL BE MAINTAINED BY ENSURING THAT THE INFEED CHUTE IS KEPT FULLY LOADED THE ACTUAL SPEED OF SLICING IS DEPENDENT ON THE NUMBER OF PRODUCTS IN POSITION ON THE INFEED CHUTE SHARPNESS OF CUTTING KNIVES AND TEXTURE OF THE PRODUCT Operating the Gravity Feed s Last Loaf Pusher Models 797 32N amp 797 48N 32 inch and 48 inch gravity feed slicers are equipped with a last loaf pusher to assist in feeding the last product on the infeed chute through the cutting knives To operate the last loaf pusher slowly pull the last loaf pusher lever toward the discharge side of the slicer See the next illustration Return the lever to the upper position before reloading the infeed chute LAST LOAF PUSHER LEVER Continued Rev 9 6 02 0797820024 4 4 OLIVER 797 N BREAD SLICER Operating the Gravity Feed s Last Loaf Pusher continued CAUTION THE KNIVES ARE E
8. NUMBER 0797 3393 001 5601 1966 4575 7103 2001 4575 7103 2004 6301 3609 0797 3394 001 5709 1125 0797 3385 5769 0523 PART NUMBER 0797 3393 001 5601 1966 5601 1969 4575 7104 2002 4575 7104 2005 6301 3940 0797 3394 001 5709 1125 0797 3385 5769 0524 PART NUMBER 0797 3393 001 5601 1966 5601 1969 4575 7104 2002 4575 7104 2005 6301 3940 0797 3394 001 5709 1125 0797 3385 5769 0523 16 2 OLIVER 797 N BREAD SLICER THREE PHASE ELECTRICAL Wiring Diagram Three Phase Three Phase Electrical Assembly Drawing V E Rev 9 6 02 0797520036 OLIVER 797 N BREAD SLICER Parts List 1 2 HP 208 VAC 60 Hertz 3 Phase ITEM NO PART DESCRIPTION STARTER CORD POWER BELT V 4L36 1 2 PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR Parts List 1 2 HP 230 460 VAC 60 Hertz 3 Phase ITEM NO PART DESCRIPTION STARTER CORD POWER BELT V 4L36 1 2 PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR Parts List 1 2 HP 220 VAC 50 Hertz 3 Phase ITEM NO PART DESCRIPTION STARTER CORD POWER BELT V 4L36 1 2 32 CHUTES BELT V XDV48 380 48 CHUTES PULLEY MOTOR 32 CHUTES PULLEY MOTOR 48 CHUTES MOTOR gt Parts List 1 2 HP 380 VAC 50 Hertz 3 Phase ITEM NO PART DESCRIPTION STARTER CORD POWER BELT V 4L36 1 2 32 CHUTES BELT V XDV48 380 48 CHUTES PULLEY MOTOR 32
9. OLIVER PRODUCTS 800 253 3893 0797820032 12 2 797 N BREAD SLICER 32 INCH COMBINATION INFEED CHUTE ASSEMBLY A1ANASSV 615 ZOE EA 02 2 905 126 A18N3SSV NMOQGQ OH 202 102 119 Rev 1 20 04 13 1 0797820058 OLIVER 797 N BREAD SLICER 32 INCH COMBINATION INFEED CHUTE PARTS LIST ITEM NO PART DESCRIPTION 201 BRACKET HOLDDWON 202 NUTBAR 3 8 16 203 SCREW CLAMP 301 BRACE RH 32 COMBI CHUTE 302 BRACE LH 32 COMBI CHUTE 305 TOP 32 COMBI CHUTE 308 ROD 32 PUSHER GUIDE 309 COVER END 310 CLIP SPRING 313 BLOCK PUSHER GUIDE 314 PLATE PUSHER MTG 316 KNOB OVAL 317 GUIDE RH 32 COMBI SIDE 318 GUIDE LH 32 COMBI SIDE 319 PIN SIDE GUIDE 320 SPACER 321 NUT ACORN 322 WASHER NYLON 323 SPRING COMPRESSION 324 GUARD CHUTE 325 KNOB W STUD 0 326 WEIGHT 8 326 WEIGHT 14 609 HOLDDOWN 610 BUSHING 611 SCREW CLAMP 3 8 16 612 PUSHER 8 COMBI 612 PUSHER 14 COMBI 613 SCREW CLAMP 4 20 Specify Slice Thickness FOR SERVICE PARTS CALL OLIVER PRODUCTS 9 800 253 3893 Rev 8 26 05 0797820058 PART NUMBER 0797 3441 1 0797 3440 4560 2512 1113 0797 3429 0001 0797 3429 0002 0797 3430 0797 3431 0797 3432 5902 9007 0797 3433 002 0797 3434 5911 7121 0797 3436 0001 0797 3436 0002 0797 3414 0797 3415 5832 0590 5851 8120 7012 3107 0797 3437 4560 2508 1109 0797 3438 0797 3438 001 0797 3442 1XX 0777 0065 4560 2512 1106 0797 3435 0XX 0797 343
10. heavy use put a drop of food approved lubricant on each of the pivot points of the plastic links at the top to the blade frames All other bearings are either grease packed or sealed and seldom need attention CAUTION NEVER OIL OR GREASE THE MOTOR 0797820026 6 1 OLIVER 797 N BREAD SLICER Removing the Blade Frames ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK Swing out the discharge table from the slicer See the next illustration DISCHARGE TABLE Always start by removing the discharge side blade frame first Both blade frames should be removed from the discharge side of the machine You should remove the discharge side blade frame completely from the machine before starting on the infeed side blade frame However each is removed using similar procedures 0797820026 6 2 OLIVER 797 N BREAD SLICER Removing the Blade Frames Continued NOTE NEVER LOOSEN THE NUTS ON THE ECCENTRIC PINS OR ATTEMPT TO REMOVE THEM TO AID IN REMOVING THE BLADE FRAMES Start by pulling the hairpin clip from the eccentric pin located at the top of each blade frame see illustration below then slide the top link toward the eccentric pin s mounting plate Make sure that the link is forced all the way over to the plate ECCENTRIC PIN BLADE FRAME After removing the two locking cams eyebolts and Belleville washers which secure the blade frame to the rocker s
11. published Service Schedule For purposes of this warranty a defective part or defective equipment is a part or equipment which is found by Oliver to have been defective in materials workmanship if the defect materially impairs the value of the equipment to Buyer Oliver has no obligation as to parts or components not manufactured by Oliver but Oliver assigns to Buyer any warranties made to Oliver by the manufacturer thereof This warranty does not apply to 1 Damage caused by shipping or accident 2 Damage resulting from improper installation or alteration 3 Equipment misused abused altered not maintained on a regular basis operated carelessly or used in abnormal conditions 4 Equipment used in conjunction with products of other manufacturers unless such use is approved by Oliver Products in writing 5 Periodic maintenance of equipment including but not limited to lubrication replacement of wear items and other adjustments required due to installation set up or normal wear 6 Losses or damage resulting from malfunction The foregoing warranty is in lieu of all other warranties expressed or implied AND OLIVER MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE REGARDING THE EQUIPMENT COVERED BY THIS WARRANTY Oliver neither assumes nor authorizes any person to assume for it any other obligations or liability in connection with said equipment OLIVER SHALL NOT BE LIABLE FOR LOSS OF TIME INCONVENIENCE COMMERCIAL LOSS
12. the machine from the power supply before cleaning or servicing Check and secure all guards before starting the machine Observe all caution and warning labels affixed to the machine Use only proper replacement parts Do not wear loose fitting clothing or loose hair when working near this machine Shirt tails should be tucked in Wear proper personal protective safety equipment Keep Hands away from the moving parts of this machine while it is in operation In addition to these general safety instructions please follow the more specific safety instructions in the rest of this operating instruction manual DO NOT USE FOR OTHER THAN ORIGINALLY INTENDED PURPOSE 0797820021 1 1 THIS PAGE WAS INTENTIONALLY LEFT BLANK GENO020319 797 N BREAD SLICER DESCRIPTION SPECIFICATIONS Description The Oliver Model 797 N series of Bread Slicers are of a compact sturdy time tested design which has been used in bakeries worldwide for many years The machine is easy to operate with its gravity fed infeed chute allowing production slicing of product in quantities of up to 600 loaves per hour Speed is of course dependent on condition of the machine sharpness of its knives and the texture of the actual product being sliced Its design will provide years of efficient trouble free operation requiring a minimum of maintenance The Model 797 N series of Bread Slicers are of stainless plated and painted steel construction for
13. 01 321 WASHER NYLON 5851 8120 322 ASSEMBLY SHAFT amp LEVER 0797 3410 323 WASHER SPECIAL 0797 3411 325 KNOB 5911 7002 326 BAR PUSHER 0797 3412 328 GUIDE RH 32 SIDE 0797 3413 0001 329 GUIDE LH 32 SIDE 0797 3413 0002 330 PIN SIDE GUIDE 0797 3414 331 SPACER 0797 3415 332 SPRING COMPRESSION 7012 3107 333 GUARD CHUTE 0797 3416 334 KNOB W STUD 4560 2508 1109 335 STOP 0797 3417 FOR SERVICE PARTS CALL OLIVER PRODUCTS 800 253 3893 0797820031 11 2 797 N BREAD SLICER 48 INCH GRAVITY INFEED CHUTE ASSEMBLY 0797820032 12 1 OLIVER 797 N BREAD SLICER 48 INCH GRAVITY INFEED CHUTE PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER 301 BRACE RH 48 CHUTE 0797 3403 001 1 302 BRACE LH 48 CHUTE 0797 3403 0012 303 BEARING BRONZE 5254 0300 307 TOP 48 GRAVITY CHUTE 0797 3404 001 310 TRACK RH PUSHER 0797 3405 0001 311 TRACK LH PUSHER 0797 3405 0002 313 CARRIAGE PUSHER 0797 3406 314 WHEEL CARRIAGE 0797 3407 315 RING RETAINING 5840 2837 317 LINK 0797 3408 318 SHAFT DE 6 LONG 0797 3409 319 SHAFT DE 6 9 16 LONG 0797 3409 001 321 WASHER NYLON 5851 8120 322 ASSEMBLY SHAFT amp LEVER 0797 3410 323 WASHER SPECIAL 0797 3411 325 KNOB 5911 7002 326 BAR PUSHER 0797 3412 328 GUIDE RH 48 SIDE 0797 3413 001 1 329 GUIDE LH 48 SIDE 0797 3413 0012 330 PIN SIDE GUIDE 0797 3414 331 SPACER 0797 3415 332 SPRING COMPRESSION 7012 3107 333 GUARD CHUTE 0797 3416 334 KNOB W STUD 4560 2508 1109 335 STOP 0797 3417 FOR SERVICE PARTS CALL
14. 10 2 32 INCH GRAVITY INFEED CHUTE 0797520031 11 1 Drawing 11 1 Parts ________ _ 11 2 48 INCH GRAVITY INFEED CHUTE 0797520032 12 1 BEE _ 12 1 Parts LiSt 12 2 32 INCH COMBINATION INFEED CHUTE 0797820058 13 1 DM 13 1 Parts List A A eque Tu 13 2 STANDARD OUTFEED 0797520033 14 1 14 1 Parts LiSt 14 2 DRIVEN PULLEY nt 0797520034 15 1 Drawing d 15 1 Parts A 15 2 SINGLE PHASE ELECTRICAL 0797520035 16 1 Wiring Diagram 16 1 Drawing 16 1 Parts 1151 16 2 THREE PHASE ELECTRICA
15. 5 1XX 4560 2508 1110 OLIVER Oliver Packaging amp Equipment Company 797 N BREAD SLICER STANDARD OUTFEED ASSEMBLY SN NS Rev 9 6 02 0797820033 14 1 OLIVER 797 N BREAD SLICER STANDARD OUTFEED PARTS LIST ITEM NO PART DESCRIPTION 401 TABLE STANDARD OUTFEED 402 BRACKET OUTFEED TABLE 403 ROD STOP 404 CAP NEOPRENE 405 CLAMP 408 STOP BREAD 412 KNOB 413 GUIDE BREAD 414 EXTENSION RH GUIDE 415 EXTENSION LH GUIDE Specify Slice Thickness FOR SERVICE PARTS CALL OLIVER PRODUCTS 9 800 253 3893 Rev 9 6 02 0797520033 PART NUMBER 0797 3421 0XX 0797 3422 0797 3423 5106 8920 0797 3424 0797 0141 5911 7000 0797 0284 0797 0285 0001 0797 0285 0002 14 2 797 N BREAD SLICER DRIVEN PULLEY ASSEMBLY 505 503 REV 1 24 08 OLIVER 797 N BREAD SLICER DRIVEN PULLEY PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER 501 PULLEY 32 CHUTES 0730 0005 001 501 PULLEY 48 CHUTES 0797 3370 001 502 STUD SWING 0797 0057 219 503 RING RETAINING 5840 2825 504 STUD 0797 0058 019 505 ROD CONNECTING 0797 0071 4 FOR SERVICE PARTS CALL OLIVER PRODUCTS 800 253 3893 REV 2 12 09 0797820034 15 2 OLIVER eet N 797 N BREAD SLICER SINGLE PHASE ELECTRICAL Wiring Diagram Single Phase Single Phase Electrical Assembly Drawing Rev 9 6 02 0797820035 16 1 OLIVER 797 N BREAD SLICER Parts List 1 2 HP 115 VAC 60 Hertz 1 Phase ITEM NO
16. CHUTES PULLEY MOTOR 48 CHUTES MOTOR 3 For Service Parts Call Oliver Products Y 800 253 3893 Rev 10 13 04 0797820036 PART NUMBER 5709 3034 0797 3426 5601 1966 4575 7103 2001 4575 7103 2004 6301 3811 PART NUMBER 5709 3034 0797 3426 5601 1966 4575 7103 2001 4575 7103 2004 6301 3800 PART NUMBER 5709 3034 0797 3426 5601 1966 5601 1969 4575 7104 2002 4575 7104 2005 6301 3811 PART NUMBER 5709 3034 0797 3426 5601 1966 5601 1969 4575 7104 2002 4575 7104 2005 6301 3975 17 2 THIS PAGE WAS INTENTIONALLY LEFT BLANK GENO020319 OLIVER WARRANTY PARTS Oliver Packaging amp Equipment Company Oliver warrants that if any part of the equipment other than a part not manufactured by Oliver proves to be defective as defined below within two years after shipment and if Buyer returns the defective part to Oliver within one year Freight Prepaid to Oliver s plant in Grand Rapids MI then Oliver shall at Oliver s option either repair or replace the defective part at Oliver s expense LABOR Oliver further warrants that equipment properly installed in accordance with our special instructions which proves to be defective in material or workmanship under normal use within one 1 year from installation or one 1 year and three 3 months from actual shipment date whichever date comes first will be repaired by Oliver or an Oliver Authorized Service Dealer in accordance with Oliver s
17. L 0797520036 17 1 Wiring Diagram 17 1 17 1 Parts 17 2 WARRANTY 040228 WARRANTY PROCEDURE GEN 040226 RETURNED PARTS POLICY GEN 040227 REV 3 2 04 0797820020 0 2 OLIVER 797 N BREAD SLICER SAFETY INSTRUCTIONS WARNING VARIOUS SAFETY DEVICES AND METHODS OF GUARDING HAVE BEEN PROVIDED ON THIS MACHINE IT IS ESSENTIAL HOWEVER THAT THE MACHINE OPERATORS AND MAINTENANCE PERSONNEL OBSERVE THE FOLLOWING SAFETY PRECAUTIONS IMPROPER INSTALLATION MAINTENANCE OR OPERATION OF THIS EQUIPMENT COULD CAUSE SERIOUS INJURY OR DEATH 1 Read this manual before attempting to operate your machine Never allow an untrained person to operate or service this machine Connect the machine to a properly grounded electrical supply that matches the requirements shown on the electrical specification plate and follow all specifications of local electrical codes Disconnect and lock out
18. OLIVER Grand Rapids Michigan U S A 49504 5298 USER S OPERATING AND INSTRUCTION MANUAL MODELS 797 32N 797 32NC amp 797 48N 0797820000 2 OLIVER 797 N BREAD SLICER INDEX Section Description Document No Page No SAFETY INSTRUCTIONS 0797820021 1 1 DESCRIPTION SPECIFICATIONS 0797S20022 2 1 Description 2 1 5 2 1 INSTALLATION INSTRUCTIONS 0797820023 3 1 Removing the Slicer from the Shipping Skid 3 1 Installing Optional Casters 3 2 OPERATING INSTRUCTIONS 0797520024 4 1 Adjusting the Gravity Feed Slicer s Holddown 4 1 Adjusting the Slicer for Product Length 4 2 Adjusting the Outfeed Side Guides on a Standard Outfeed Table 4 3 Operating a Gravity Feed Slicer
19. OOL The new knife can be installed by reversing the removal procedure A paper clip can be used to hold the knife in position on the lower pin to ease installation See the illustration below NOTE WHEN REPLACING ALL THE KNIVES ALWAYS REMOVE THE CENTER KNIVES FIRST AND WORK TOWARD THE ENDS INSTALL THE NEW KNIVES AT THE ENDS FIRST AND WORK ALTERNATELY TOWARD THE CENTER CAUTION NEVER PUT BLADE FRAMES IN THE SLICER WITHOUT KNIVES PAPER CLIP 0797820026 6 7 OLIVER 797 N BREAD SLICER Tightening the Belt ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK CAUTION OVER TIGHTENING THE DRIVE BELT MAY CAUSE BEARING OR MOTOR FAILURE Remove the crumb tray from the slicer and swing out the discharge table See the illustration below DISCHARGE ABLE LOCK BOLT CRUMB TRAY FLOOR MODEL 0797820026 6 8 OLIVER 797 N BREAD SLICER Tightening the Belt Continued Loosen the lockbolt located below the belt adjustment mechanism See the next illustration Locate the adjustment bolt below the belt and turn it counter clockwise with a wrench to increase tension on the belt or clockwise to reduce tension on the belt The drive belt should be just tight enough that using moderate finger pressure it would deflect about 3 8 of an inch when pressed midway between the motor drive pulley and the driven pulley Once the c
20. TING KEEP BACK STRAIGHT KNEES BENT AND LIFT WITH LEGS USE GLOVES TO PROTECT HANDS As shown in the illustration below lift the slicer off the shipping skid with one person standing on each side of the slicer Set the slicer down on a level floor after which it may be moved to the desired location POSITION HANDS UNDER SLICER FRAME 0797520023 3 1 OLIVER 797 N BREAD SLICER CASTER INSTALLATION INSTRUCTIONS Place blocks on the floor approximately 8 and 38 inches from the discharge side of the slicer see the illustration below Lower the holddown to its lowest position and tighten the adjustment knob to prevent the outfeed table from swinging out With one person on each side of the slicer gently lower the slicer onto the blocks CAUTION NEVER ATTEMPT TO LIFT THE SLICER BY ITS INFEED CHUTE AS DAMAGE TO THE MACHINE MAY RESULT HOLDDOWN ADJUSTMENT KNOB HOLDDOWN BLOCKS Locate the casters Va inch bolts lock washers and nuts in the option package Install the casters using the furnished hardware as shown in the figure on the next page tighten the bolts and nuts securely using two wrenches Install both locking casters on the discharge side of the machine See the next illustration Set the brakes tightly on both locking casters this will help to keep the wheels from rolling when lifting the slicer back to its upright position Install the two rigid casters in the same manner on the infe
21. XTREMELY SHARP DO NOT TOUCH MOVING OR STATIONARY KNIVES Once the last loaf pusher has fed the product into the cutting knives as far as it can it may be necessary to pull the product the rest of the way through the knives by hand NOTE THE MODEL 797 32NC HAS A CENTER MOUNTED HAND OPERATED THROUGH THE KNIFE PUSHER Rev 9 6 02 0797820024 4 5 OLIVER 797 N BREAD SLICER TROUBLESHOOTING ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK INCLUDING TROUBLESHOOTING The Slicer Will Not Start Motor Is Not Humming e he machine is not plugged in e There is no power at the outlet Check by plugging in a small working appliance like a lamp Check to see if a circuit breaker has tripped If the circuit breaker has not tripped and the circuit is still not working have a qualified electrician check the circuit 9 he motor switch overload has tripped To reset push firmly in the direction shown on the switch nameplate e There are breadcrumbs in the motor starting switch Have a qualified electrician disassemble the switch and clean it 9 The problem is somewhere in the electrical system of the machine Have a qualified electrician find and repair the problem The Slicer Will Not Start Motor Is Humming CAUTION DO NOT ALLOW THE MOTOR TO HUM WITHOUT STARTING OVERHEATING CAN PERMANENTLY DAMAGE THE MOTOR e The motor has failed Have it checked by a qualified elec
22. are subject to a RE STOCKING CHARGE Thank you for your cooperation Repair Parts Manager Oliver Packaging and Equipment Company GEN 040227
23. easy cleaning and maintenance Most operators will be able to replace the knives without the need of a service call Oliver Products Company who has a reputation of serving the Baking Industry for well over 60 years backs these slicers Specifications Space Requirements Models 797 32N Shown amp 797 32NC All Dimensions are Approximate E LA au Rev 9 6 02 0797820022 2 1 OLIVER 797 N BREAD SLICER Space Requirements Models 797 48N All Dimensions are Approximate 2 1 Product Capacities Up to 16 inches long and in the range of 2 to 5 inches high Standard Electrical Options Others available at additional cost consult factory 1 phase 60 hz 115VAC 7 Amps 1 phase 60 hz 230VAC 3 5 Amps Standard Slice Spacings Models 797 32N amp 797 48N 7 16 1 2 9 16 inches Optional Slice Spacings Models 797 32N amp 797 48N At additional cost Specials available consult factory 1 4 min 5 16 3 8 5 8 11 16 3 4 13 16 7 8 1 1 1 4 inches Shipping Weight 250 lbs approximate Rev 9 6 31 0797820022 2 2 OLIVER m 797 N BREAD SLICER INSTALLATION INSTRUCTIONS Removing the Slicer from the Shipping Skid After removing the carton you should find the basic slicer completely assembled and strapped to the shipping skid Cut both straps to free the slicer from the skid CAUTION THE SLICER IS HEAVY USE PROPER TECHNIQUE WHEN LIF
24. ed side of the slicer Rev 8 3 04 0797820023 797 N BREAD SLICER COUNTER WEIGHT BOLT FLAT WASHER RIGID CASTER SWIVEL CASTER LOCK WASHER Di INN RE FLAT WASHER BOLT On all slicers equipped with either the Power Belt infeed chute option or a Model 1179S bagger a counter weight must be attached to the caster brackets on the right hand side of the machine as viewed from the outfeed side of the slicer See the above illustration This counter weight must not be removed Use the same hardware used to secure the weight to attach the casters when both are used Add additional bolts washers and nuts on those caster plate holes not involved with the weight mounted as shown Install one rigid caster and one swivel caster on the right hand side of the machine the weight side Remember the rigid casters must be installed on the infeed side of the machine Install the remaining two casters as previously described setting their brakes tightly After completing the installation chock the locked wheels using a 2 x 4 to ensure that they will not roll or skid when lifting the slicer back to the upright position Once the machine is upright release the brakes and roll the slicer to its desired location Rev 8 3 04 0797820023 3 3 OLIVER 797 N BREAD SLICER OPERATING INSTRUCTIONS CAUTION ALWAYS USE CARE WHENEVER WORKING NEAR THE CUTTING KNIVES Adjusting the Gravity Feed Slicer s Holddo
25. eplacing the pins and links the clearance between the blade frames must be re adjusted See the Maintenance section of this manual under Adjusting the Clearance Between the Blade Frames on how to perform this adjustment The Bread is Cutting Slowly or is Being Damaged e The machine s holddown is either missing or improperly adjusted See the Maintenance section of this manual under Adjusting the Gravity Feed Slicer s Holddown on how to perform this adjustment e The knives of the machine have become worn dull See the Maintenance section of this manual under Changing the Cutting Knives Most owners can perform this item of maintenance without calling a service company e The blades are not aligned properly See the Maintenance section of this manual under Adjusting the Clearance Between the Blade Frames on how to perform this adjustment 0797820025 5 2 OLIVER 797 N BREAD SLICER MAINTENANCE ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK Cleaning Use a mild detergent solution to clean all exterior surfaces and empty the crumb tray daily or more often if necessary Periodically swing out the discharge table to allow access to the drive area of the machine then brush blow if compressed air is available or wipe all foreign material from all surfaces especially from moving parts Lubrication Once a month more often during
26. move the plastic plug over the set screw in the fixed collar see below Using an allen wrench loosen but do not remove the set screw in the fixed collar Using a ruler 15 maximum measure the distance between the blades Gently tap the collar with a small mallet either to the right or left until the distances between the blades is equal When satisfied with the location tighten the fixed collar s set screw and replace the plastic plug Lastly tighten the two locking cams which secure the blade frame CLAMP FIXED COLLAR SMALL HAMMER 0797820026 6 11 OLIVER 797 N BREAD SLICER Adjusting the Clearance Between the Blade Frames ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK The distance between the blade frames is adjusted by rotating the eccentric pins located above the blade frames Two wrenches are used to do this One wrench is used to keep the eccentric pin from rotating while the second is used to loosen the lock nut on the end of the pin This nut secures the pin in position once its proper location is determined See the illustration below ECCENTRIC PIN To adjust the eccentric once the lock nut is loosened rotate the pin using a wrench rotating the pin it is possible that both pins will need adjustment at the same time until the knives of the machine are in line alternating blades should not appear to be in front of or behind each other when vie
27. orrect tension has been obtained retighten the lockbolt 0797820026 VIEW LOOKING DOWN AT BELT ADJUSTMENT MECHANISM BELT ADJU BOLT LOCKBOLT MOTOR DRIVE PULLEY MOTOR MOUNT BRACKET OLIVER 797 N BREAD SLICER Replacing the Belt ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK Referring to the Tightening the Belt section above remove the crumb tray swing out the discharge table and reduce the tension on the belt by turning the adjusting bolt on the tightening mechanism clockwise until the belt can be slipped off from the motor pulley Disconnect the end of the connecting rod at the rocker by removing the two capscrews and cap using a wrench See the illustration below The drive belt may now be removed from the machine Installation of the new belt can be accomplished by reversing the removal procedures Refer to the Tightening the Belt section when adjusting the drive belt tension 2 e 9 DRIVEN PULLEY 5 CONNECT ING ROD CAPSCREWS 0797820026 6 10 OLIVER 797 N BREAD SLICER Adjusting the Blade Frames When Slices Vary in Thickness ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK Swing out the discharge table of the slicer Loosen but do not remove the two locking cams clamps which secure the blade frame to the swing shaft Re
28. s required to close the cam If the cams are either difficult or impossible to close rotate the eye bolt a half turn in the counter clockwise direction Repeat until the cams can be closed using moderate pressure 0797820026 6 5 OLIVER 797 N BREAD SLICER Changing the Blades ALWAYS DISCONNECT THE SLICER FROM THE POWER SUPPLY BEFORE ATTEMPTING ANY TYPE OF MAINTENANCE TASK CAUTION THE BLADES ARE EXTREMELY SHARP ALWAYS HANDLE THEM WITH CARE NOTE DO NOT INTERCHANGE THE TWO BLADE FRAMES REPLACE THE BLADE FRAME TO THE SAME SIDE OF THE MACHINE AS IT WAS TAKEN FROM NOTE WHEN CHAINGING BLADES FIRST NOTE THE DIRECTION THE SHARPENED EDGES ARE FACING ON THE BLADE FRAME THEY ARE FACING UP ON ONE FRAME AND DOWN ON THE OTHER DO NOT CHANGE THIS DIRECTION Place the blade frame on a flat surface You may use the special knife tool shown in the illustration on the next page or use a common set of pliers to depress the spring loaded pin holding each knife This will reduce the tension on the knife so that it may be easily removed In the illustration on the next page you can see the use of the knife tool It is inserted into the blade frame on the spring loaded pin end and then by lifting up on the tool it will deflect the pin reducing the tension on the knife Once this has been done the knife can be carefully removed Rev 2 15 05 0797820026 6 6 OLIVER 797 N BREAD SLICER Changing the Blades Continued KNIFE T
29. swing shaft the blade frame can be removed The eyebolts and Belleville washers can be removed by turning them counter clockwise once the cams have been removed See illustration below FIXED COLLAR 0797820026 6 3 OLIVER 797 N BREAD SLICER Removing the Blade Frames Continued CAUTION THE BLADES ARE EXTREMELY SHARP ALWAYS HANDLE BLADE FRAMES WITH CARE The blade frame can now be carefully lifted from the slicer See below Removal of the infeed side blade frame is accomplished in a similar fashion However the chute guard must first be removed by removing the four knobs which hold it in place this will allow access to the locking cams See the illustration below CHUTE GUARD 0797820026 6 4 OLIVER 797 N BREAD SLICER Removing the Blade Frames Continued Replacement of the blade frames is done by reversing the removal procedures Ensure That the feet of the blade frames rest snuggly on the swing shafts and that you have included the Belleville washers with the eye bolts NOTE WHEN INSTALLING THE BELLEVILLE WASHERS THEY MUST BE PLACED SO THAT THE CROWN IS UP AS SHOWN IN THE ILLUSTRATION BELOW When replacing the eye bolts turn them clockwise until moderate pressure is required to close the cam If the cam is to easy to close rotate the eye bolt a half turn more in the clockwise direction and try to reinstall the cam Repeat these partial rotations until moderate pressure i
30. trician NOTE A SPECIAL NON VENTILATED MOTOR MUST BE USED WITH THIS SLICER e drive system is binding Have a qualified service agent check for defective bearings or other restrictions to free movement 0797520025 5 1 797 N BREAD SLICER e There is mechanical interference between other parts of the slicer Have a qualified service agent evaluate the machine for adjustment or replacement of defective parts Bread Slices Vary in Thickness e The blade frames are out of adjustment See the Maintenance section of this manual under Adjusting the Blade Frames When Slices Vary in Thickness on how to correct this problem The Blade Frames Are Knocking e The blade frames are out of adjustment See the Maintenance section of this manual under Adjusting the Clearance Between the Blade Frames on how to perform this adjustment The Slicer Vibrates Excessively e drive belt is loose or worn See the Maintenance section of this manual under Tightening the Belt or Replacing the Belt on how to make these corrections 9 Oneor more of the bearings on the machine are failing Have a qualified service agent check for defective bearings and replace them as required e pins two eccentrics and two regular and links at the top of the blade frames are worn We suggest that these be replaced together Mixing worn parts with new will shorten the life of the replacement parts Remember after r
31. wed from the side A straight edge may be used from the dull side of the knives to aid in determining if the knives are in line When the eccentric pins are in the desired position tighten each of the locknuts to secure the position of the eccentrics Check the blade frame clearance by turning the driven pulley by hand Two things may happen if the knives are not inline the blade frames may hit each other causing a loud knocking noise or the cutting efficiency of the machine may be greatly reduced 0797820026 6 12 OLIVER 797 N BREAD SLICER RECOMMENDED SPARE PARTS PART NUMBER PART DESCRIPTION 5835 7705 Clip Hairpin 0777 0034 Pin Eccentric 0797 0059 2 Pin STST Metric Blade Frame 0711 0002 Link Top 5601 1966 Belt V 4L36 1 2 60 Cycle Machines 5709 1125 Switch Starter 1 Phase Machines 5220 5001 Bearing Driven Pulley With Snap Ring 5220 5040 Bearing Driven Pulley 0797 0058 019 6904 6001 0797 0071 4 0797 0057 219 Stud Driven Pulley Gasket Driven Pulley Rod Connecting Stud Swing 5220 4040 Bearing Rocker Shaft 5220 0042 Bearing Swing Shaft 6301 3609 Motor 1 2 HP 1 60 115 230 0797 0029 1 Knife Type A 0777 0970 Bolt Eye 0777 0971 Cam Clamp 5852 0050 Spring Bellville For Other Electrics Contact the Factory For Service Parts Call Oliver Products 2 800 253 3893 Rev 2 12 09 0797820027 NO REQ D 2 2 797 N BREAD SLICER MAIN FRAME ROCKER ASSEMBLY EN AAN bal Rev
32. wn Models 797 32N amp 797 48N Loosen the holddown adjustment knob Adjust the holddown so that the product just clears the bottom edge of the holddown as it passes through the cutting knives Tighten the holddown adjustment knob when the holddown is in the desired location See the illustration below Proper adjustment of the holddown will prevent the product from jumping as it passes through the cutting knives increasing cutting efficiency HOLDDOWN ADJUSTMENT HOLDDOWN KNOB PRODUCT Rev 9 6 02 0797820024 4 1 OLIVER 797 N BREAD SLICER Adjusting the Slicer for Product Length Using a typical product adjust the infeed chute side guides by applying hand pressure See the next illustration Set the side guides approximately 1 8 inch wider than the longest expected product SIDE GUIDES PRODUCT Adjusting the Outfeed Side Guides on a Standard Outfeed Table Adjust the side guide extensions so that they are approximately 1 4 inch from the cutting knives Loosen the outfeed guide adjustment knobs Adjust the outfeed side guides to align with the infeed guides See the illustration which follows Once satisfied with the location re tighten the side guide adjustment knobs Proper adjustment of these guides will keep the end slices from falling over as the product exits the cutting knives 0797820024 4 2 OLIVER 797 N BREAD SLICER SIDE GUIDES ADJUSTMENT KNOBS NOTE OPTIONAL OUTFEED TABLE GUIDES ARE
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