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Accu ACCU-Turn 7700 Operation And Maintenance Manual

Manual is about: Combination Brake Lathe

Summary of ACCU-Turn 7700

  • Page 1

    (o accu*turn1) b 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

    Congratulations! You have just purchased the finest brake lathe in the world today. Your accu-turn lathe is a high quality, precision engineered product designed to give you years of trouble-free service. To familiarize yourself with all its features, please take the time to read this ow ner's manua...

  • Page 3: Accu-Turn Model 7700

    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 fr...

  • Page 4

    Standard accessories included in the 7700 combination brake lathe 1 draw bar with hex nut and washer 3 t-bolts with nuts and washers 2 large bell clamps 2 small bell clamps 3 centering cones 3 silencers 5 double taper radius adapters 1 twin cutter with tool holders 1 drum boring bar 1 standard 1" ar...

  • Page 5: Specifications

    7700 combination brake lathe specifications electrica l 115 vac; 60 hz, 1 ph; 10 amps r o to r capacity maximum width maximum diameter drum capacity maximum diameter maximum diameter w/rotor truer removed maximum travel w eig h t capacity (rotor/drum) spindle speed feed speed shipping w eig h t 2 1 ...

  • Page 6

    Acceptance from transportation carrier carefully inspect all items received in this shipment. If 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 dama...

  • Page 7

    During machining, material removal may cause a sharp edge to be generated, where a chamfer or radius previously existed. Use care in handling machined parts. 3. 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 ...

  • Page 8

    9. Do not overreach: maintain a balanced stance and keep your body under control at all times. 10. Hand safety: keep hands away from moving parts when the machine is under power. Never clear chips or debris when the machine is under power and never use your hands to clear the chips. Never use compre...

  • 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 o f pallet. 2. Brake lathe is shipped with arbor installed and torqued to 55 foot pounds of torque on draw ...

  • Page 10: Operation Procedures

    Accu-turn 7700 combination brake lathe operation procedures mounting and machining procedures inspection of brake drums and disc rotors before machining important: the maximum amount of metal removed from the finished workpiece should never exceed the manufacturer's specifications. It is dangerous t...

  • Page 11

    5. 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. 6. If arbor appears ...

  • Page 12

    Machining hubless and hubbed drums 1. Using rotor feed handwheel, crank rotor truer and pivot arm out o f 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 slid...

  • Page 13

    Proper mounting of hubbed rotor or drum fig. 1 10

  • Page 15

    Accu-turn model 7700 parts list key # part # description q ty 1 440018 pivoting w a y 1 2 440078 spindle 1 3 433622 front seal 1 4 433618 front bearing cone 1 5 433619 front bearing cup 1 6 440028 housing 1 7 433616 rear bearing cone 1 8 433772 rear bearing cup 1 9 408364 lo ck n ut #n-07 1 10 40836...

  • Page 16

    Accu-turn model 7700 parts list key # part # description q t y 51 221044 lim it sw itch (includes boot) 1 52 433641 m oto r , feed 2 53 221024 4pdt sw itch 1 55 436388 sleeving 2.5 56 220044 terminal, ground 1 57 440308 abs guard 2 58 200022 screw, 6-32 x .75 pph 6 59 204069 shoulder bolt, 1 / 2 x 2...

  • Page 17

    Accu-turn model 7700 parts list key # part # description qty 102 441168 gear, sliding - drum 1 103 441098 gear, m oto r - drum 1 104 441088 m ounting plate - drum feed m oto r 1 105 441278 plug, drum feed n u t 1 106 441158 bushing - feed screw, brass 1 107 4b9806 screw, 1/4-20x1/4 so ck et hd. Set,...

  • Page 18

    Accu-turn model 7700 parts list key # part # description q t y 433701 arbor 1 433703 face plate 2 433704 face plate 2 433705 cone 1 433706 cone 1 433707 cone 1 433708 adapter 1 433709 adapter 1 433710 adapter 1 433711 adapter 1 433712 spacer 1 433713 n u t 1 433715 washer, self align 1 433716 spring...

  • Page 25

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