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Summary of Contents for ACCU-Pro 670

Page 1: ...TIC BEDKNIFE GRINDER ASSEMBLY AND SERVICE MANUAL WARNING You must thoroughly read and understand this manual before assembling or maintaining the equipment paying particular attention to the Warning S...

Page 2: ...pplication and limitations as well as specific potential hazards 19 KEEP ALL SAFETY DECALS CLEAN AND LEGIBLE If safety decals become damaged or illegible for any reason replace immediately Refer to re...

Page 3: ...nate dust or to maintain dust level below the Threshold Limit Value for nuisance dust as classified by OSHA IMPROPER USE OF GRINDING WHEEL MAY CAUSE BREAKAGE AND SERIOUS INJURY Grinding is a safe oper...

Page 4: ...to clean the machine CONTENTS Assembly Page 6 12 Maintenance Page 13 15 Adjustments Page 16 23 Troubleshooting Page 24 33 Electrical Schematic Page 34 Parts List Page 35 48 SPECIFICATIONS Electrical R...

Page 5: ...tact the manufacturer if necessary TORQUE REQUIREMENTS Throughout this manual we refer to torque requirements as firmly tighten or the like For more specific torque values refer to the information bel...

Page 6: ...preconnected at the factory Install the Control Box Attach the control box to the right front end of the machine using the two 3 8 16 x 5 8 hex head bolts and two lock washers provided See FIG 1 The...

Page 7: ...ellows will drain back into the coolant tray Place the level across the front and rear carriage rails near the right end of the carriage bed Level the right end in the same way as the left end For gri...

Page 8: ...inder is equipped with a low voltage relay which is factory preset at 100 VAC If the power supply line does not deliver 100 VAC power under load the relay will open and trip out the starter If this oc...

Page 9: ...cord with an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded according to all local or other appropriate ele...

Page 10: ...aft See FIG 9 e Slide the drive shaft out the left end of the machine f Remove the shaft seals from the actuator two screws each g Reinstall the drive shaft The right end of the shaft inside the coupl...

Page 11: ...BLEMS 1 Be sure the COOLANT PUMP switch is OFF Mix Part No 3708620 coolant in the coolant tank at a ratio of 50 parts water to 1 part concentrate This will take about 6 gallons of water and 1 pint of...

Page 12: ...GRINDING MOTOR Turn all control panel switches OFF Close the guard door to connect the interlock Press START Press Grinding Motor Switch to ON Check that the grinding head runs properly Be prepared t...

Page 13: ...r 2 Check the gib plate adjustment in the carriage base every 3 months See Page 21 3 Replace the four foam rail wipers FIG 15 every 6 months of operation Note Wipers are removed if optional bellows ar...

Page 14: ...rough its range of travel to carry lubricant onto the outer surface of the actuator bearings and the inner surface of the seals NOTE Because of the flood of lubricant you may find that the actuator sl...

Page 15: ...automobile polish Three such products that tend to polish and fill scratches are Johnson paste Wax Novus Plastic Polish 1 and 2 and Mirror Glaze plastic polish M G M10 It is suggested that a test be...

Page 16: ...til they are out of the way If the optional carriage bellows were installed the shaft seals may already have been removed 5 Remove the shoulder bolts holding the six bearings three on each side to the...

Page 17: ...is not within specification Step 10 above adjust it 1 With the actuator bearings engaged to the drive shaft readjust the two outboard screws with springs that hold the actuator together To reach thes...

Page 18: ...e the rails out of the bearings one at a time 4 Remove the three linear bearing pillow blocks four screws each from the bottom of the carriage and discard them 5 One at a time slide the three new line...

Page 19: ...t pillow block Lift the front of the carriage and tighten the two inside pillow block screws Secure the front carriage rail to its V groove bosses with the six bolts 12 Recheck the bearing tension The...

Page 20: ...e Use a precision square held against the bearing shoulder and the rear rail as in FIG 26 TO ALIGN THE REAR RAIL AND DRIVE SHAFT The rear carriage rail and the drive shaft must be precisely aligned 1...

Page 21: ...ning the other TO ADJUST THE GIB PLATE The gib plate must be readjusted occasionally to eliminate free play Otherwise the grinding head can move from side to side and the bedknife may be ground uneven...

Page 22: ...shouder bolt hole Then turn the nut one notch 40o further C Reinstall the shoulder bolt to lock the nut in position 2 Washers behind the handwheel A Remove the setscrew holding the calibration ring to...

Page 23: ...ng DB Dead Band is the potentiometer setting for the 50 or 60 Hz cycle control Factory set to 9 00 works for both 50 and 60 Hz Do not change this setting Calibrating the DWELL TIME rotary DIP switch a...

Page 24: ...across starter coil A1 to A2 NOTE Contactor clicks when engaging Check for 120 volt AC between terminals T1 black and T3 white T1 and T3 are main power out lines NOTE T2 is jumpered to L3 Check reset...

Page 25: ...ad as above Check wire connections from the proximity switches and tighten down screws TROUBLESHOOTING Continued TRAVERSING POSSIBLE CAUSE REMEDY REASON PROBLEM Insufficient hesitation at carriage sto...

Page 26: ...justment section of the manual Replace the lineal bearings in the main carriage Carriage should traverse freely with a 3 lb maximum loading Also check for excessive bearing preload For more detail see...

Page 27: ...C Pin 8 to 9 Pot Full CCW Pot Full CW 9 75 VDC 0 VDC If Yes pot is O K If No go to step below Check for 10 000 ohms red to white wires Full CCW 10 000 ohms Full CW 0 ohms Red to black wires Full CCW 0...

Page 28: ...ght it causes excessive loading to drive the carriage When lineal actuator is disengaged the proper traverse load 2 to 3 lb Use a tension scale to check A general guide only NOTE Check with linear act...

Page 29: ...that retain the shaft support blocks on each end of the actuator shaft Use a square to align bearing face 90 degrees to the front rail and holding the actuator shaft to the front rail to 3 375 dimensi...

Page 30: ...versing load in both direc tions If load varies or car riage linear bearings are excessively noisy replace bearings See Page 19 Check straightness If not straight consult the factory through your dist...

Page 31: ...it buildup allows grinding head to move when grinding Uneven loading because of grit buildup in bearings can affect the straightness of grinding When grit buildup is excessive bearings may be noisy an...

Page 32: ...feed screw or grit buildup allows grinding head to move when grinding Traversing speed controls the grinding surface texture A slower traverse produces grind marks closer together A loose gib backlash...

Page 33: ...sively When the front face of the bedknife gets too hot the steel loses its temper softens Too much stock removal in one pass creates too much heat and softens the steel Wheel will glaze if not dresse...

Page 34: ...34 ELECTRIC SCHEMATIC 67095233...

Page 35: ...35 This Page Left Intentionally Blank for Note Taking Purposes...

Page 36: ...36 PARTS LIST 6709528 MAIN BASE ASSEMBLY...

Page 37: ...AB 10 Roll Pin 375D x 1 00LG Insert Locknut Jam 10 24 Hex Nut 1 4 20 Thin Locknut 1 4 20 Nylon Locknut Jam 5 16 18 Nylon Locknut 5 16 18 Hex Nut 3 8 16 Hex Nut 1 2 13 Flat Washer 1 4 Split Lockwasher...

Page 38: ...38 PARTS LIST Continued 6709529 GRINDING HEAD ASSEMBLY...

Page 39: ...et Screw 10 24 x 1 2 Set Screw Cup Point 1 4 20 x 1 4 Set Screw Cup Point 1 4 20 x 1 1 2 Set Screw Cup Point 5 16 18 x 1 4 Locknut Insert Jam 10 24 Hex Nut 1 4 20 Jam Nut Hex 1 4 20 Locknut Thin 1 4 2...

Page 40: ...40 PARTS LIST Continued 6709520 TRAVERSE CARRIAGE ASSEMBLY...

Page 41: ...Head Cap Screw 5 16 18 x 3 4 Hex Head Cap Screw 3 8 16 x 3 4 Hex Nut 1 4 20 Flat Washer 10 Split Lockwasher 10 Flat Washer 1 4 Split Lockwasher 1 4 Flat Washer 5 16 Split Lockwasher 5 16 Flat Washer 3...

Page 42: ...42 PARTS LIST Continued 6709524 BEDKNIFE SUPPORT ASSEMBLY...

Page 43: ...Retainer Assembly Roll Pin 25D x 50LG Roll Pin 25D x 75LG Drive Lock Pin 25D x 875LG Roll Pin 25D x 1 125LG Flat Washer 5 16 Roll Pin 25D x 1 00LG Hex Nut 3 8 16 Nylon Locknut Jam 3 8 16 Nylon Hex Loc...

Page 44: ...44 PARTS LIST Continued 6709523 CONTROL PANEL ASSEMBLY 50 51...

Page 45: ...Cap Screw 10 24 x 2 00 Hex Head Cap Screw 3 8 16 x 5 8 Nylon Locknut 5 16 18 Split Lockwasher 3 8 External Teeth Lock Washer 8 Internal Teeth Lock Washer 10 Kep Nut 10 24 Kep Nut 6 32 Kep Nut 8 32 Str...

Page 46: ...46 PARTS LIST Continued 6709523 ELECTRICAL ASSEMBLY...

Page 47: ...1 HP Internal Tooth Lock Washer Fuse Block Wire Assembly STR FK W75 Fuse 1 AMP Slo Blo Wire Assembly 2 Loop W70 Wire Assembly 6FK 6FK W18 Right Hand Traverse Proximity Switch W38 Left Hand Traverse P...

Page 48: ...48 PARTS LIST Continued 7469909 COOLANT PUMP TANK ASSEMBLY 15...

Page 49: ...Cap Screw 5 K191501 10 Lockwasher Split 6 3709595 Shut Off Valve 7 3709593 Barbed Connector 8 3707532 Pump 115V 9 3708339 Connector Barbed Insert 10 3708725 Tank Coolant 11 3708774 Cover Coolant Tank...

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