BF Series Service Manual
Contents
1. Aero Motive Company Feb 03 SPRING TENSION ADJUSTMENT Do not push tension lock lever without placing wrench onto mainshaft first Extreme CAUTION amounts of stored spring torque will turn mainshaft rapidly clockwise Hazards or unsafe practices COULD result in minor personal injury or product or property damage NOTE Do NOT over tension balancer main spring This will reduce cable travel and spring life NOTE If drum locks up cable will not pull out when reducing spring tension increase tension until automatic lock disengages See Automatic Lock Observe following before making spring tension adjustments TENSION LEVER LOCK e Tool and all accessories are attached to tool clip PUSH TO RELEASE TENSION e All balancers are factory pre set e Tool will lower if the weight of tool exceeds tension adjustment of balancer mainspring e If cable stop is up against cable guide prior to adjustment N A there is too much tension on balancer mainspring NA To increase spring tension turn mainshaft with wrench turn A one click at a time in a counter clockwise direction symbol on case Repeat process until desired tension is achieved Q To reduce spring tension turn mainshaft with wrench in counter KO clockwise direction until tension lock lever disengages Hold KAN N tension lock lever in disengaged position and allow mainshaft to turn clockwise Repeat process until desired tension is achieved CAB2. BF Series Service Manual Aero Motive Compan wW A Woodhead Industries Inc Subsidiary IMPORTANT SAFETY INFORMATION Please read this manual carefully and follow its instructions Improper use or failure to follow these instructions could result in serious injury death or property damage Operators should be instructed in the safe and proper use and maintenance of this product Keep this manual for future reference All reference numbers are located on page 5 The following safety precautions call attention to potentially dangerous conditions A DANGER Immediate hazards which WILL result in severe personal injury or death A WARNING Hazards or unsafe practices which COULD result in severe personal injury or death A CAUTION Hazards or unsafe practices which COULD result in minor personal injury or product or property damage INSTALLATION Main support device must have break strength exceeding five times weight of load WARNING gt f Aee Hazards or unsafe practices COULD result in severe personal injury or death Use new cotter pin when re assembling clevis pin Hazards or unsafe practices COULD result in minor personal injury or product or property damage MAIN SUPPORT Install the main support device directly over work area See illustration Attach balancer to main support with swivel fork and clevis pin Secure clevis pin with washer and cotter pin SECONDARY SUPPORT CHAIN CORRECT WRONG Balancer directly Bal
3. LE STOP ADJUSTMENT NOTE Make all cable stop adjustments after tool and accessories have been attached to tool clip and after adjusting spring tension See Spring Tension Adjustment NOTE Moving cable stop and bumper closer to the cable guide will shorten active travel of cable Loosen two hex nuts and machine screws Slide cable stop and bumper up or down on cable so that tool is positioned at desired working height Tighten loosened hardware to hold cable stop at set position AUTOMATIC LOCK Never remove spring from drum and spring assembly Replacement springs are sealed for safety Hazards or unsafe practices COULD result in severe personal injury or death A WARNING If tension is reduced to below rated range automatic lock will engage and prevent cable drum from turning Increase tension until automatic lock disengages If a spring should break automatic lock will engage to prevent drum from turning Lock will disengage after new spring assembly is installed SERVICE TOOL REPLACEMENT When replacing tool and attachments make sure cable is fully retracted See Tool Attachment DRUM amp SPRING ASSEMBLY REPLACEMENT Remove balancer from service and remove all spring tension from balancer See Spring Tension Adjustment Remove two screws and cable guide Remove four screws and nuts Remove rear case assembly amp retaining ring from mainshaft Remove mainshaft hub and tension lock and cable assembly with all attached par
4. ancer ie direct A hole has been provided at side of housing to permit installation over work area hes ape of secondary support chain All balancers mounted over head Secondary support siached to same s l must have a secondary support chain to protect personnel in separate support case of structure or mounting component failure Attach one end of secondary support chain or cable to secondary support point shackle on balancer Attach other end of secondary support chain or cable to a support component other than that which supports balancer Chain or cable should be as short as possible allowing balancer to drop no more than 6 to 12 inches if primary connection is released See Illustration A secondary support is offered as an accessory item Q Cable rubs on cable guide hangs straight A A secondary safety cable or chain is to be attached to all balancers mounted overhead to DANGER prevent balancer from falling Immediate hazards WILL result in severe personal injury or death ADJUSTMENT Do not pull cable down to tool clip Raise tool to clip Hazards or unsafe practices COULD result in minor personal injury or product or property damage TOOL ATTACHMENT Lift the complete tool including any hose cable fittings and attachments up to the tool clip After tool is attached make sure the retaining latch on tool clip has snapped back to the closed position a J G O O E S N O O eee Pay OO T A SM1120 01F Page 1 of 4
5. ng Tension Adjustment PARTS REPLACEMENT NOTE When ordering replacement parts always include the balancer model number and serial number All parts shown on parts list are replaceable in the field without special tools MAINTENANCE INSPECTION The balancer is designed to require little maintenance Periodically check cable tool clip swivel and hanger for wear Replace all worn parts immediately The balancer is lifetime lubricated at the factory No additional lubrication is required REPLACEMENT PARTS i Secondary Support Cable SM1120 01 F Page 3 of 4 Aero Motive Company Feb 03 Reference Number Part Number Qty Description 1 C20850137 4 M5 SEM Screw with washer 2 01235P0008 1 Clevis pin 3 See Kit C 1 Case rear assembly 4 M15120003 1 Extension spring 5 M26830001 1 Mainshaft 6 M08720004 1 Hub and tension lock H42160027 1 Drum and spring assembly BF L 6 Orange Includes items 26 amp 27 H42160023 1 Drum and spring assembly BF L 9 Green 7 H42160024 1 Drum and spring assembly BF L 13 Red H42160025 1 Drum and spring assembly BF L 18 White H42160026 1 Drum and spring assembly BF L 24 Blue 8 C01880416 1 Retaining ring 9 M08710005 1 Ratchet lever 10 M15120004 1 Extension spring 11 See Kit C 1 Case front 12 00126P0050 2 Flat washer 13 00228P0011 2 Cotter pin 14 C22180115 4 M5 hex nut 15 01235P0009 1 Clevis Pin 16 H16510014 1 Swivel fork Incl
6. ts from drum and spring assembly Remove cable assembly from old drum and spring assembly Attach cable assembly to new drum and spring assembly See Cable Replacement Reassemble unit in reverse order Place balancer back in service and attach tool See Tool Attachment Set spring tension with tool and attachments in place See Spring Tension Adjustment a et SM1120 01 F Page 2 of 4 Aero Motive Company Feb 03 CABLE REPLACEMENT A CAUTION Do not disassemble balancer without reducing all spring tension first See Spring Tension Adjustment Also do not adjust mainspring tension until tool and attachments are suspended from balancer Hazards or unsafe practices COULD result in minor personal injury or product or property damage To replace cable remove balancer from service and remove all DRUM amp SPRING yor spring tension from balancer See Spring Tension Adjustment Remove two screws at cable guide four 4 screws and nuts Remove case rear assembly auto stop shaft auto stop with compression spring and cable assembly Remove cable guide bumper cable stop hex nuts machine screw and tool clip from old cable assembly Attach these items to the new cable assembly Place the swaged cable assembly end into the slot Reassemble unit in reverse order Place balancer back in service ASSEMBLY AUTO STOP END OF CABLE STOP and attach tool See Tool Attachment Set spring tension See AUTO stop SHAFT Spri
7. udes two thrust washers item 28 17 C01700119 1 Retaining ring 18 M67310001 1 Cable guide 19 C03550100 2 M5 CTSK overall HD screw 48 2 20 1003100000 1 Bumper 21 1361400000 2 Cable stop 22 00002P0202 2 Machine screw 6 32 23 H13120009 1 Cable assembly 24 01146P0015 1 Tool clip 25 00151P0015 2 Hex nut 6 32 26 M04600000 1 Drop Stop 27 M25360212 1 Drop Stop Screw 28 M83010022 2 Thrust washers Kit A H13120012 1 Working cable assembly complete Items 20 25 above Kit B H13760000 1 Secondary support cable Kit C H22510061 1 Both Housing halves 3 11 with parts installed Aero Motive Company Woodhead Connectivity LTD Woodhead Asia PTE LTD Woodhead Canada LTD w A Woodhead Industries Inc Subsidiary 1090 Brevik Place Mississauga Ontario L4W 3Y5 Canada 905 624 1079 FAX 905 624 9151 www woodhead ca w A Woodhead Industries Inc Subsidiary No 4 Toh Tuck Link Level 3 Mezzanine Markono Logisitics Bldg Singapore 596226 65 6 261 6533 FAX 65 6 261 3588 sales wasia com sg w A Woodhead Industries Inc Subsidiary Factory No 9 Rassau Industrial Estate Ebbw Vale Gwent NP23 5SD United Kingdom 44 1495 356300 FAX 44 1495 356301 sales wdhd co uk w A Woodhead Industries Inc Subsidiary PO Box 2678 Kalamazoo MI 49003 2678 269 337 7700 800 999 8559 FAX 800 333 6119 www aeromotive com techhelp aeromotive com SM1120 01 F Page 4 of 4 Aero Motive Company Feb 03
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