Oliver 797-32N Instruction Manual
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Oliver 797-32N Instruction Manual

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Grand Rapids, Michigan, U.S.A. 49504-5298
USER'S OPERATING AND INSTRUCTION MANUAL
MODELS 797-32N, 797-32NC & 797-48N
BREAD SLICERS
0797
S20000-CV2

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  • Page 1 Grand Rapids, Michigan, U.S.A. 49504-5298 USER’S OPERATING AND INSTRUCTION MANUAL MODELS 797-32N, 797-32NC & 797-48N BREAD SLICERS 0797 S20000-CV2...

  • Page 2: Table Of Contents

    797-N BREAD SLICER INDEX Section Description Document No. Page No. SAFETY INSTRUCTIONS -------------------------------------- 0797S20021 --------------------------- 1-1 DESCRIPTION/SPECIFICATIONS --------------------------- 0797S20022---------------------------- 2-1 Description -------------------------------------------------------------------------------------------------- 2-1 Specifications----------------------------------------------------------------------------------------------- 2-1 INSTALLATION INSTRUCTIONS ---------------------------- 0797S20023 --------------------------- 3-1 Removing the Slicer from the Shipping Skid ------------------------------------------------------- 3-1 Installing Optional Casters ------------------------------------------------------------------------------ 3-2 OPERATING INSTRUCTIONS -------------------------------- 0797S20024 --------------------------- 4-1 Adjusting the Gravity Feed Slicer’s Holddown ----------------------------------------------------- 4-1...
  • Page 3 797-N BREAD SLICER INDEX (Continued) REPLACEMENT PARTS SECTION (Continued) Section Description Document No. Page No. SLICE PARTS & HOLDDOWN ------------------------------- 0797S20030 -------------------------- 10-1 Drawing ----------------------------------------------------------------------------------------------- 10-1 Parts List ---------------------------------------------------------------------------------------------- 10-2 32 INCH GRAVITY INFEED CHUTE ------------------------ 0797S20031 -------------------------- 11-1 Drawing ----------------------------------------------------------------------------------------------- 11-1 Parts List ---------------------------------------------------------------------------------------------- 11-2 48 INCH GRAVITY INFEED CHUTE ------------------------ 0797S20032 -------------------------- 12-1 Drawing ----------------------------------------------------------------------------------------------- 12-1...

  • Page 4: Safety Instructions

    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.
  • Page 5 THIS PAGE WAS INTENTIONALLY LEFT BLANK. GEN020319...

  • Page 6: Description/Specifications

    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.
  • Page 7 1 phase, 60 hz, 230VAC, 3.5 Amps. Standard Slice Spacings, (Models 797-32N & 797-48N) 7/16, 1/2, 9/16 (inches) Optional Slice Spacings, (Models 797-32N & 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.

  • Page 8: Installation Instructions

    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 LIFTING.
  • Page 9 797-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.
  • Page 10 797-N BREAD SLICER 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.

  • Page 11: Operating Instructions

    CAUTION ALWAYS USE CARE WHENEVER WORKING NEAR THE CUTTING KNIVES. Adjusting the Gravity Feed Slicer’s Holddown, (Models 797-32N & 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.

  • Page 12: Adjusting The Slicer For Product Length

    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. 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.

  • Page 13: Operating A Gravity Feed Slicer

    797-N BREAD SLICER NOTE OPTIONAL OUTFEED TABLE GUIDES ARE 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.

  • Page 14: Operating The Gravity Feed's Last Loaf Pusher

    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 & 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.
  • Page 15 797-N BREAD SLICER Operating the Gravity Feed’s Last Loaf Pusher (continued) CAUTION THE KNIVES ARE EXTREMELY 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.

  • Page 16: Troubleshooting

    797-N BREAD SLICER TROUBLESHOOTING WARNING 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) • The machine is not plugged in. • There is no power at the outlet. (Check by plugging in a small working appliance, like a lamp.

  • Page 17: Bread Slices Vary In Thickness

    797-N BREAD SLICER • 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 • The blade frames are out of adjustment. (See the “Maintenance” section of this manual under “Adjusting the Blade Frames When Slices Vary in Thickness”...

  • Page 18: Maintenance

    797-N BREAD SLICER MAINTENANCE WARNING 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.

  • Page 19: Removing The Blade Frames

    797-N BREAD SLICER Removing the Blade Frames WARNING 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. Always start by removing the discharge side blade frame first. Both blade frames should be removed from the discharge side of the machine.
  • Page 20 797-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.
  • Page 21 797-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.
  • Page 22 797-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.

  • Page 23: Changing The Blades

    797-N BREAD SLICER Changing the Blades WARNING 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...
  • Page 24 797-N BREAD SLICER Changing the Blades (Continued) 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.

  • Page 25: Tightening The Belt

    797-N BREAD SLICER Tightening the Belt WARNING 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.
  • Page 26 797-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.

  • Page 27: Replacing The Belt

    797-N BREAD SLICER Replacing the Belt WARNING 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.

  • Page 28: Adjusting The Blade Frames When Slices Vary In Thickness

    797-N BREAD SLICER Adjusting the Blade Frames When Slices Vary in Thickness WARNING 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.

  • Page 29: Adjusting The Clearance Between The Blade Frames

    797-N BREAD SLICER Adjusting the Clearance Between the Blade Frames WARNING 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.

  • Page 30: Recommended Spare Parts

    0797-0057-219 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 As Req’d. 0777-0970 Bolt-Eye 0777-0971 Cam-Clamp 5852-0050 Spring-Bellville *For Other Electrics Contact the Factory For Service Parts Call Oliver Products @ 800-253-3893 Rev. 2/12/09 0797S20027...

  • Page 31: Main Frame & Rocker

    797-N BREAD SLICER MAIN FRAME/ROCKER ASSEMBLY Rev 3/19/10 0797S20028...

  • Page 32: Parts List

    GASKET-CORK 6904-6001 TRAY-EXTRA CAPACITY CRUMB 0797-3079 WASHER 0797-3471 ROCKER 0732-0012-001 SHAFT-SWING 0730-0024-001 COLLAR-HOLD DOWN 0797-0031-002 COLLAR-LOCATING 0797-0031-003 ROD-THREADED NYLON 3/8-16 5840-8076 SCREW-SOCKET SET 3/8-16 X ¼ 5842-6156 BEARING-BALL 5220-0042 FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 Rev. 3/19/10 0797S20028...

  • Page 33: Base & Caster

    797-N BREAD SLICER BASE/CASTER ASSEMBLY 0797S20029...

  • Page 34: Parts List

    797-N BREAD SLICER BASE/CASTER PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER BASE-16” CASTER 0797-3068 CASTER-3” RIGID 5902-2363 CASTER-3” SWIVEL 5902-2364 FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 0797S20029...
  • Page 35 797-N BREAD SLICER SLICE PARTS/HOLDDOWN ASSEMBLY 0797S20030 10-1...

  • Page 36: Parts List

    KNIFE-TYPE A 0797-0029-1 PIN-STST METRIC BLADE FRAME 0797-0059-2 BOLT-EYE 0777-0970 WASHER-BELLEVILLE SPRING 5852-0050 0777-0971 609* GUIDE-KNIFE 0797-0092-0XX 612** TOOL-BLADE CHANGING 0797-0183 Specify Slice Thickness Not Shown on Drawing FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 Rev. 8/2/04 0797S20030 10-2...
  • Page 37 797-N BREAD SLICER 32 INCH GRAVITY INFEED CHUTE ASSEMBLY 0797S20031 11-1...
  • Page 38 ASSEMBLY-SHAFT & LEVER 0797-3410 WASHER-SPECIAL 0797-3411 KNOB 5911-7002 BAR-PUSHER 0797-3412 GUIDE-RH 32” SIDE 0797-3413-0001 GUIDE-LH 32” SIDE 0797-3413-0002 PIN-SIDE GUIDE 0797-3414 SPACER 0797-3415 SPRING-COMPRESSION 7012-3107 GUARD-CHUTE 0797-3416 KNOB-W/STUD 4560-2508-1109 STOP 0797-3417 FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 0797S20031 11-2...
  • Page 39 797-N BREAD SLICER 48 INCH GRAVITY INFEED CHUTE ASSEMBLY 0797S20032 12-1...
  • Page 40 ASSEMBLY-SHAFT & LEVER 0797-3410 WASHER-SPECIAL 0797-3411 KNOB 5911-7002 BAR-PUSHER 0797-3412 GUIDE-RH 48” SIDE 0797-3413-0011 GUIDE-LH 48” SIDE 0797-3413-0012 PIN-SIDE GUIDE 0797-3414 SPACER 0797-3415 SPRING-COMPRESSION 7012-3107 GUARD-CHUTE 0797-3416 KNOB-W/STUD 4560-2508-1109 STOP 0797-3417 FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 0797S20032 12-2...

  • Page 41: Rev

    797-N BREAD SLICER 32 INCH COMBINATION INFEED CHUTE ASSEMBLY Rev. 1-20-04 0797S20058 13-1...
  • Page 42 0797-3438-001 609* HOLDDOWN 0797-3442-1XX BUSHING 0777-0065 SCREW-CLAMP 3/8-16 4560-2512-1106 612* PUSHER – 8” COMBI 0797-3435-0XX 612* PUSHER – 14” COMBI 0797-3435-1XX SCREW-CLAMP ¼-20 4560-2508-1110 * Specify Slice Thickness FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 Rev. 8/26/05 0797S20058 13-2...
  • Page 43 797-N BREAD SLICER STANDARD OUTFEED ASSEMBLY Rev 9-6-02 0797S20033 14-1...

  • Page 44: Parts List

    401* TABLE-STANDARD OUTFEED 0797-3421-0XX BRACKET-OUTFEED TABLE 0797-3422 ROD-STOP 0797-3423 CAP-NEOPRENE 5106-8920 CLAMP 0797-3424 STOP-BREAD 0797-0141 KNOB 5911-7000 GUIDE-BREAD 0797-0284 EXTENSION-RH GUIDE 0797-0285-0001 EXTENSION-LH GUIDE 0797-0285-0002 Specify Slice Thickness FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 Rev 9-6-02 0797S20033 14-2...
  • Page 45 797-N BREAD SLICER DRIVEN PULLEY ASSEMBLY REV 1/24/08 0797S20034 15-1...

  • Page 46: Parts List

    797-N BREAD SLICER DRIVEN PULLEY PARTS LIST ITEM NO PART DESCRIPTION PART NUMBER PULLEY (32” CHUTES) 0730-0005-001 PULLEY (48” CHUTES) 0797-3370-001 STUD-SWING 0797-0057-219 RING-RETAINING 5840-2825 STUD 0797-0058-019 ROD-CONNECTING 0797-0071-4 FOR SERVICE PARTS CALL OLIVER PRODUCTS @ 800-253-3893 REV. 2-12-09 0797S20034 15-2...

  • Page 47: Single Phase Electrical

    797-N BREAD SLICER SINGLE PHASE ELECTRICAL Wiring Diagram (Single Phase) Single Phase Electrical Assembly Drawing Rev. 9-6-02 0797S20035 16-1...
  • Page 48 BELT-V (4L36-1/2) (32” CHUTES) 5601-1966 BELT-V (XDV48-380) (48” CHUTES) 5601-1969 PULLEY-MOTOR (32” CHUTES) 4575-7104-2002 PULLEY-MOTOR (48” CHUTES) 4575-7104-2005 MOTOR 6301-3940 COVER-SWITCH ENCLOSURE 0797-3394-001 SWITCH-STARTER 5709-1125 COVER-RECEPTACLE ENCLOSURE 0797-3385 RECEPTACLE-220/230 VAC 5769-0523 Rev. 10-13-04 For Service Parts Call Oliver Products @ 800-253-3893 0797S20035 16-2...

  • Page 49: Three Phase Electrical

    797-N BREAD SLICER THREE PHASE ELECTRICAL Wiring Diagram (Three Phase) Three Phase Electrical Assembly Drawing Rev. 9-6-02 0797S20036 17-1...
  • Page 50 PART DESCRIPTION PART NUMBER STARTER 5709-3034 CORD-POWER 0797-3426 BELT-V (4L36-1/2) (32” CHUTES) 5601-1966 BELT-V (XDV48-380) (48” CHUTES) 5601-1969 PULLEY-MOTOR (32” CHUTES) 4575-7104-2002 PULLEY-MOTOR (48” CHUTES) 4575-7104-2005 MOTOR 6301-3975 For Service Parts Call Oliver Products @ 800-253-3893 Rev. 10-13-04 0797S20036 17-2...
  • Page 51 THIS PAGE WAS INTENTIONALLY LEFT BLANK. GEN020319...
  • Page 52 Oliver Packaging & 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...
  • Page 53 4. The service dealer will then complete an invoice and send it to the Parts and Service Department at Oliver Products Company. 5. The Parts and Service Manager of Oliver Packaging and Equipment Company will review the invoice and returned parts, if applicable, and approve for payment.
  • Page 54 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.

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