SERVICE BULLETIN
Contents
1. BrunswickE Capital Equipment Division SERVICE BCR Ray Subject Motor Drive Screw Interference Problem Date 2 25 00 Distribution Auto BallWall Customers Letter No CEBOO 2 A motor drive screw interference problem may exist with some of the automated BallWall actuators Failure to check and or adjust the drive screw can cause damage to the actuator motor Supplied with this bulletin are the instructions and a gage to allow you to properly check for the interference problem If the interference exist the instructions will instruct you how to make the correct adjustments to prevent any future problems pul OL led Sf Shawn Butler David E Rice Service Product Engineer Director of Service and Installation C 2000 Brunswick Bowling and Billiards Corporation 525 West Laketon Avenue P O Box 329 Muskegon Michigan 49443 0329 Page 1 of 1 Attachment Inspect and Correct A Drive Pin Interference Automated BallWall Systems The following procedures list the steps required to inspect for and then correct an unacceptable interference between the actuator motor drive screw and the yoke pin on the mechanical linkage These steps should be accom plished after the components have been initially installed e mechanical linkages are connected bumpers close beneath lane surface etc Refer to Figure 1 Figure 1 Component Identification 1 GUTTER CLEVIS ASSEMBLY 2 HITCH PIN 3 TURN BUCKLE 4 JAM NUT 5 CLEVIS PIN 6 LEFT HA2. ND CONNECTING ROD 7 DRIVE YOKE 8 YOKE PIN 9 ACTUATOR MOTOR 10 MOUNTING PLATE 11 BASE MOUNTI NG SCREWS 12 LONG ROD 13 SHORT ROD 14 CLEVIS 1 Check for interference between the actuator motor drive screw and yoke pin of mechanical linkage rods NOTE DO NOT proceed unless the cam switch indicates a closed state when bumpers are closed If cam switch does not indicate a closed state perform cam switch adjustment following steps in Actuator Adjustment Motor Limit Switch Cams paragraph in the Automated BallWall System Operations and Service Manual a If not already done place the bumpers in the closed position Activation of bumpers may be accomplished through the use of the Diagnostics menu on the Frameworx scorer or the Stand Alone Controller no Frameworx scorers CEBO0 2 Page 1 of 5 b Verify that the outboard CLOSE cam switch is in the closed state Perform one of the following actions based on your center s configuration e Frameworx Scorers Check Switch and Motor Status screen under Diagnostics menu Refer to Operational Check of System for required procedure e Stand Alone Controller Place bumpers in the closed position and check the LED status on the automated bumper controller PCB for a closed state indication c If switch indication is not closed proceed to step 2 to make a switch adjustment If switch is in closed state proceed to step d d Inser
3. e on the yoke to the center of the pin hole on the short rod clevis Factory set length is 10 1 4 260 35 mm but after adjustments must NOT be less than 10 254 mm provided that there is adequate thread engagement at the longer rod end NOTE Threaded engagement at any connection on linkages MUST be at least 3 8 9 52 mm n Tighten all jam nuts and reinstall the yoke pin on the actuator motor sleeve Lower the actuator motor assembly beneath lane Align the actuator motor base with the outline on the floor and reinstall mount screws to secure actuator Connect and pin the clevis and turnbuckle ends of the linkage to the gutter clevis assemblies Plug the power cord in for automated bumper controller Repeat steps la through 1d to check for drive pin interference
4. eeve casting Refer to Figure 2 If gage can be inserted and contacts the drive screw remove gage and cycle the bumpers raise and lower several times while verifying that the cam switch indicates correct open or closed bumper status If gage does NOT insert into the motor sleeve casting go to step 3 3 Adjust mechanical linkage NOTE DO NOT proceed unless the cam switch indicates a closed state when bumpers are closed If cam switch does not indicate a closed State perform cam switch adjustment following steps in Actuator Adjustment Motor Limit Switch Cams paragraph a Place the bumpers in the open up position b Disconnect power cord from the automated bumper controller c Remove the Ball Wall curtains as necessary to gain access to gutter pivots d Disconnect clevis pins from the gutter clevis assemblies for both gutters Refer to Figure 1 e Mark position of the actuator motor base by tracing an outline with marker on the floor f Remove actuator motor base mount bolts and retain for reinstal lation g Lift the actuator motor above the lane for easy access to link ages h Disconnect the yoke pin from the center pivot point and the motor sleeve Refer to Figure 3 Visually inspect pin for evidence of wear If wear is present the pin was most likely interfering with motor drive screw Retain all pins and retainers for reinstallation CEBO00 2 Page 3 of 5 annann AUNI NOTE Replace
5. t a go no go gage part number 17 300270 000 into the slot of sleeve casting Refer to Figure 2 If gage fits into slot as shown and end of gage contacts the drive screw no drive pin interference exists and additional adjustments are NOT neces sary If the gage does not fit into slot or contact the drive screw proceed to step 2 to make cam switch adjustment Figure 2 Use Gage to Determine if Interference Exists 1 GAGE 2 NO INTERFERENCE EXISTS GAGE 3 INTERFERENCE EXISTS GAGE ISN T BLOCKED BY SLEEVE IS BLOCKED BY SLEEVE 4 SLEEVE 5 ACTUATOR MOTOR DRIVE SCREW 2 Adjust motor cam switch to increase clearance a Make cam switch adjustment following steps in Actuator Adjustments Motor Limit Switch Cams paragraph in the Automated BallWall System Operations and Service Manual until the switch indicates a closed state CEBO0 2 Page 2 of 5 b Raise the bumpers and then lower until the cam switch indicates a closed state c Verify that the bumpers are below the lane surface If bumpers are below the lane surface rotate the cam switch back off the lobe and repeat step b Repeat this process until bumpers are above the lane surface when cycled to the close position Adjust cam switch back to where the switch indicates a closed position d Insert the go no go gage part number 17 300270 000 into the slot of motor sl
6. yoke pin if excessive wear is present DRIVE YOKE DRIVE YOKE PIN DRIVE SCREW SLEEVE Figure 3 Check For Interference i Measure the overall length between centers of the turnbuckle and clevis Refer to Figure 4 Note this measurement for future use Manufacturer s set length is 28 37 from center to center but this length may have been altered during initial installation of components Figure 4 Note Measurement for Reinstallation 1 4 JAM NUTS 2 10 MINIMUM 3 DRIVE YOKE NOTE MEASUREMENT FOR REINSTALLATION j Loosen the jam nuts on both sides of the black drive yoke that attaches the drive link to the motor sleeve Refer to Figure 4 k Thread the short rod into the yoke to reduce the distance be tween centers of the yoke and the clevis end of linkage Refer to Figure 4 CEBO00 2 Page 4 of 5 Unscrew the long rod from the yoke the same distance that the short rod was threaded into black drive yoke The overall length of drive linkage rods as measured in step i above must be kept so if short rod is threaded in by 1 4 6 35 mm 1 4 6 35 mm must be added to length of long rod to maintain same overall length of linkages Measure from the center of the pin hol
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