Accu -Turn 7700 Operation And Maintenance Manual

Combination brake lathe

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(O Accu*turn1)
09/01
#310011
B
COMBINATION BRAKE LATHE
MODEL 7700
OPERATIONS AND MAINTENANCE MANUAL
Accu International, Inc,
P.O. BOX 15540 / RICHMOND, VA 23227
11126 AIR PARK ROAD / ASHLAND, VA 23005
804-798-8922 FAX 804-798-6742
A TURN FOR THE BETTER

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Summary of Contents for Accu ACCU-Turn 7700

  • Page 1 (O Accu*turn1) A TURN FOR THE BETTER COMBINATION BRAKE LATHE MODEL 7700 OPERATIONS AND MAINTENANCE MANUAL Accu International, Inc, P.O. BOX 15540 / RICHMOND, VA 23227 11126 AIR PARK ROAD / ASHLAND, VA 23005 804-798-8922 FAX 804-798-6742 09/01 #310011...
  • Page 2 It is also important that you RECORD THE MODEL NUMBER, SERIAL NUMBER AND OTHER VITAL INFORMATION HERE. These numbers are located on the back of your lathe. Dealer_________________________ Purchase Date M odel_________________________ Serial Number If you need to call Accu Industries for parts or service, please have this information available.
  • Page 3: Table Of Contents

    ACCU-TURN MODEL 7700 COMBINATION BRAKE LATHE OPERATIONS AND MAINTENANCE MANUAL TABLE OF CONTENTS: PAGE STANDARD EQUIPMENT AND ACCESSORIES..........1 BRAKE LATHE SPECIFICATIONS............... 2 ACCEPTANCE FROM TRANSPORTATION CARRIER........3 SAFETY INFORMATION..................3 ASSEMBLY OF BRAKE LATHE................6 OPERATION PROCEDURES.................. 7 MOUNTING AND MACHINING PROCEDURES..........7...
  • Page 4: Standard Equipment And Accessories

    STANDARD ACCESSORIES INCLUDED IN THE 7700 COMBINATION BRAKE LATHE DRAW BAR WITH HEX NUT AND WASHER T-BOLTS WITH NUTS AND WASHERS LARGE BELL CLAMPS SMALL BELL CLAMPS CENTERING CONES SILENCERS DOUBLE TAPER RADIUS ADAPTERS TWIN CUTTER WITH TOOL HOLDERS DRUM BORING BAR STANDARD 1"...
  • Page 5: Brake Lathe Specifications

    7700 COMBINATION BRAKE LATHE SPECIFICATIONS ELECTRICAL 115 VAC; 60 Hz, 1 Ph; 10 Amps RO TO R CAPACITY MAXIMUM WIDTH " MAXIMUM DIAMETER 12 1 " DRUM CAPACITY MAXIMUM DIAMETER 11 1 " MAXIMUM DIAMETER W/ROTOR TRUER REMOVED 13 1/2" MAXIMUM TRAVEL 3 1/4"...
  • Page 6: Acceptance From Transportation Carrier

    Carefully inspect all items received in this shipment. there is damage or evidence of mishandling in transit, determine the extent of damage and notify the transit company as well as ACCU Industries, Inc. immediately. Although we are not responsible for damage incurred in transit, we will assist in the preparation and filing of claims.
  • Page 7 Use care in handling machined parts. Securing the Machine: The model 77 00 weighs approximately 300 pounds and must be bolted to an ACCU-TURN Heavy duty Floor Stand or a bench capable of supporting the machine, its accessories and workpiece.
  • Page 8 WARRANTY IS NULL AND VOID. Misuse: Do not use the machine for other than its intended use. If used for other purposes, ACCU Industries Inc., disclaims any expressed or implied warranty, and holds itself harmless for any injury or loss that may result.
  • Page 9: Assembly Of Brake Lathe

    ASSEMBLY OF BRAKE LATHE SETTING UP BRAKE LATHE FOR OPERATION 1. Three bolts hold brake lathe to pallet. Bolts can be removed by using 9/16" wrench and gaining access to them from the underside of pallet. 2. Brake lathe is shipped with arbor installed and torqued to 55 foot pounds of torque on draw bar.
  • Page 10: Operation Procedures

    It is dangerous to operate a vehicle with a drum or rotor which has had more material removed than is allowed. Proper operation cannot be established if these specifications have been exceeded. Accu Industries recommends that each workpiece be checked for size before mounting on the lathe and after machining.
  • Page 11 Wrap rubber silencer band around drum, starting with the plain end and maintain tension until the clip is secured. Do not attempt to machine drums without using the silencer band. Silencer should be nearest open side of drum. Silencers should also be used for rotor machining.
  • Page 12 Machining Hubless and Hubbed Drums Using rotor feed handwheel, crank rotor truer and pivot arm out of the way so as to clear drum that is being mounted on the arbor. Using drum feed handwheel, extend drum cutter assembly fully toward rear of drum. Loosen 7/8" nut on drum cutter T- bolt, and slide cutter assembly fully toward drum feed handwheel.
  • Page 13: Parts Lists And Diagrams

    PROPER MOUNTING OF HUBBED ROTOR OR DRUM Fig. 1...
  • Page 15: Parts List

    ACCU-TURN MODEL 7700 PARTS LIST KEY # PART # DESCRIPTION 440018 PIVOTING W A Y 440078 SPINDLE 433622 FRONT SEAL FRONT BEARING CONE 433618 433619 FRONT BEARING CUP 440028 HOUSING 433616 REAR BEARING CONE REAR BEARING CUP 433772 408364 LO CKNUT #N-07...
  • Page 16 ACCU-TURN MODEL 7700 PARTS LIST KEY # PART # Q TY DESCRIPTION 221044 LIMIT SWITCH (INCLUDES BOOT) 433641 M OTOR, FEED 221024 4PDT SWITCH 436388 SLEEVING TERMINAL, GROUND 220044 440308 ABS GUARD 200022 SCREW, 6-32 X .75 PPH 204069 SHOULDER BOLT, 1 / 2 x 2 1/2 SO CKET HEAD...
  • Page 17 ACCU-TURN MODEL 7700 PARTS LIST KEY # PART # DESCRIPTION 441168 GEAR, SLIDING - DRUM 441098 GEAR, M OTOR - DRUM 441088 M OUNTING PLATE - DRUM FEED M OTOR 441278 PLUG, DRUM FEED N U T 441158 BUSHING - FEED SCREW, BRASS 4B9806 SCREW, 1/4-20x1/4 SO CKET HD.
  • Page 18 WRENCH, 1 1/2 BOX END 310011 OPER M ANUAL 433963 ADAPTER 434286 TIP HOLDER 434558 WRENCH 436278 ACCU SERVICE 1-800 # LABEL 436279 NAME PLATE, A C CU-TUR N , OVAL 436310 WARR CARD 436312 SPEC BOOK 436313 BROCHURE 437008...
  • Page 25 R D T D R M....-------- K t= - 4 * .... - ...- _...

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