Precor UBK13 Service Manual Download

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Page 52

Move the seat carriage to its most forward position.

Remove the two philips screws that secure the cable cover and remove the cable cover.

Disconnect the heart rate cables.

Carefully slide the seat carriage off the seat rail, ensure the heart rate cable does not get caught on

the rail when removing the carriage.

Removing the Heart Rate Cables

On the underside of the seat carriage, remove the cable cover and disconnect the flat ribbon cable

from the cable to the heart rate grips.

Figure 52: Water Bottle Mounting Screw

Figure 53: Heart Rate Cable Cover and Connector

Summary of Contents for UBK13

Page 1: ...or Incorporated Unauthorized Reproduction and Distribution Prohibited by Law Page 1 UBK13 UBK13 BASE SERVICE MANUAL Vertical Upright Recumbent Bicycles 20039 174 REV A PRECOR CUSTOMER SUPPORT Service Manual ...

Page 2: ......

Page 3: ...arriage RBK Only 10 RBK13 UBK13 Base Troubleshooting 12 Display does not Illuminate 12 No or Incorrect Pedaling Resistance 13 RBK13 UBK13 Base Replacement Procedures 16 Replacing the Covers UBK13 16 Replacing the Covers RBK13 21 Replacing a Primary Drive Belt 25 Replacing a Crankarm 26 Replacing the Primary Pulley 28 Replacing the Input Pulley and Axle Assembly 31 Replacing the Idler Pulley 36 Rep...

Page 4: ...Front and Back Conventions 2 Safety 3 Warning and Caution Statements and General Safety Guidelines 4 General Information 4 Right Left Front and Back Conventions In this manual right left front and back are form the perspective of a user operating the equipment facing the console S e c t io n O ne About This Document ...

Page 5: ...ipment do not wear loose clothing Do not wear shoes with heels or leather soles Check the soles of your shoes and remove any embedded stones Tie long hair back Do not rock the unit Do not stand or climb on the handlebars display enclosure or cover Do not set anything on the handlebars display enclosure or cover Never place liquids on any part of the equipment while performing service To prevent el...

Page 6: ...ent has adequate support and that you use proper lifting techniques To remove power from the equipment the optional external power supply when equipped must be disconnected from the wall outlet and the red positive wire must be disconnected from the battery Always ensure that the equipment external power supply is unplugged from the wall outlet and the red positive wire is removed from the battery...

Page 7: ...quired when you service Precor Equipment Tools Phillip and flat head screwdrivers Metric allen wrench set Open end metric wrench set Metric socket wrench set Snap ring pliers Drive belt tension gauge Park Too CCP 22 crankarm puller or Shimano TL FC10 Crankarm puller Equipment Anti static kit Digital multimeter S e c t io n T wo Required Tools and Equipment ...

Page 8: ...imum Precor recommends that you perform the following preventive maintenance schedule After Each Use Turn off and unplug power adapter if equipped from the bicycle Wipe down the covers handlebars seat and pedals with a damp cloth Daily Maintenance Clean the bicycle s frame covers seat and pedals using a water damped cloth Wipe the surface of the electronic console with a damp sponge or soft cloth ...

Page 9: ...ocedure Primary Belt Tension Adjustment on page 9 On Site Preventive Maintenance Service Technician When you are called to service a bicycle perform these preventive maintenance activities Perform the software diagnostics Check LED and keypad functions Record the odometer reading For more information consult the console service manual equipped with your equipment Visually inspect the drive belts f...

Page 10: ...BK13 UBK13 for another 2 3 minutes 6 If the electronic display does not change appropriately reference per the Standard Console service manual 7 If the resistance does not change or the operation of the bike feels inconsistent compared with Resistance Level 1 troubleshoot per procedure No or Incorrect Pedaling Resistance 8 Press the RESISTANCE key until you reach Resistance Level 20 Operate the bi...

Page 11: ... Procedure Replacing the Covers UBK13 on page 16 or Replacing the Covers RBK13 on page 21 2 Place the belt tension gauge on the primary drive belt 3 The correct belt tension is 70 5 pounds If the belt tension is correct replace the covers If the belt tension is incorrect continue to the next step Figure 1 Belt Gauge Figure 2 Drive Belt Adjustment ...

Page 12: ...ed over 360 degrees and reinstalled Doing this will allow the use of another set of mounting holes on the generator 9 Tighten the adjustment bolt lock nut 10 Replace the covers Adjusting the Seat Carriage RBK Only Perform this procedure if the front to rear movement of the seat is too tight or there is excessive side to side seat wobble 1 The end of the adjustment bolts are designed with two flat ...

Page 13: ...ion of both adjustment bolts should be approximately the same The seat should not wobble side to side and should move forward and backward easily If the seat still wobbles side to side repeat step 2 but increase from 1 8 turn to turn Note Tightening any further may result in accelerated wheel and bearing wear Figure 3 Seat Carriage Adjustment Bolts ...

Page 14: ... AC zero cross The monitoring system notes every time the generator AC voltage passes through zero volts By counting the zero cross rate the system knows how fast the generator is turning The system calculates the user RPM from the generator speed If the system does not see a zero cross rate it assumes the bike is not being used and the display will not illuminate when the bike is pedaled 3 Discon...

Page 15: ...If replacing the lower PCA does correct the problem skip to step 8 8 Remove the upper display panel and disconnect the interconnect cable form the upper PCA With the unit powered up check the voltage between the outer two pins of the interconnect cable for DC volts It should read approximately 7 5 Vdc Note The interconnect pins can be difficult to get good connections with the meter leads If the v...

Page 16: ...f the lower PCA The voltage reading should be approximately 11 Vdc If the reading is significantly low or significantly high skip to step 5 4 If the reading in step 3 was correct the pedaling resistance should be correct skip back to step 2 5 Disconnect the eddy current magnet wires from terminals M1 and M8 of the lower PCA Measure between the eddy current magnet wires with an ohmmeter It should r...

Page 17: ...Unauthorized Reproduction and Distribution Prohibited by Law Page 15 8 It is highly unlikely that the RPM reading could be present but incorrect If this condition should occur replace the lower PCA Figure 6 Lower PCA Cables ...

Page 18: ...31 Replacing the Idler Pulley 36 Replacing a Generator 38 Replacing a Battery 41 Replacing the lower PCA 42 Replacing the Seat Post Pop Pin UBK13 Only 44 Replacing the Seat Post UBK Only 46 Replacing a Seat Post Component UBK Only 48 Replacing All or Part of a Seat Carriage RBK only 51 Replacing the Covers UBK13 Top Cover Removal 1 Remove the left side screw and the right side screw that secures t...

Page 19: ...by Law Page 17 Left Side Cover Removal 3 Move the pedal to its highest position in its rotation 4 Remove the six screws that secure the left side cover to the frame 5 Pull and remove the left cover Right Cover Removal 6 Move the pedal so that it is at the top of its rotations ...

Page 20: ...e the right cover to the frame 8 Pull and remove the right cover Left Side Cover Installation 9 Place the left side cover against the frame and align the cover with the screw holes Ensure the right side cover edge is seated in the seat post gasket 10 Secure the left side cover to the frame with the six screws removed earlier ...

Page 21: ... Right Side Cover Installation 11 Place the right side cover against the frame and align the cover with the left side cover and the screw holes Ensure the right side cover edge is seated in the seat post gasket 12 Secure the right side cover to the frame with the five screws removed earlier ...

Page 22: ...tion Prohibited by Law Page 20 Top Cover Installation 13 Place the top cover on the side covers align the back of the top cover so that the edge is seated in the seat post gasket 14 Secure the left and right side of the top cover with the screws removed earlier ...

Page 23: ...authorized Reproduction and Distribution Prohibited by Law Page 21 Replacing the Covers RBK13 Top Cover Removal 1 Remove the left side screw and the right side screw that secures the top cover 2 Lift and remove the top cover ...

Page 24: ...w Page 22 Left Side Cover Removal 3 Move the pedal to its highest position in its rotation 4 Remove the four screws that secure the left side cover to the frame 5 Pull and remove the left cover Figure 7 Top Cover Screw Locations RBK13 Figure 8 Left Side Cover Screw Locations RBK13 ...

Page 25: ... Remove the three screws that secure the right cover to the frame 8 Pull and remove the right cover Right Side Cover Installation 9 Place the right side cover against the frame and align the cover with the left side cover and the screw holes 10 Secure the right side cover to the frame with the three screws removed earlier Figure 9 Right Side Cover Screw Locations RBK13 ...

Page 26: ...eft Side Cover Installation 11 Place the left side cover against the frame and align the cover with the screw holes 12 Secure the left side cover to the frame with the four screws removed earlier Figure 10 Right Side Cover Screw Locations RBK13 Figure 11 Left Side Cover Screw Locations RBK13 ...

Page 27: ...ulley bracket mounting bolts 3 Loosen the adjustment bolt lock nut 4 Turn the adjustment bolt counter clockwise as required to remove the tension from the primary drive belt 5 Remove the primary drive belt Installing the Primary Drive Belt 6 Place the primary drive belt in its mounting position around the input pulley under the idler pulley and around the primary pulley 7 Tension the primary drive...

Page 28: ...Crankarm puller available at most bike repair shops In this procedure the Shimano Crankarm Puller will be used 4 Remove the nut from the crankarm puller Thread the nut fully into the crankarm Note If the nut is not fully threaded into the crankarm the crankarm threads may be destroyed when the crankarm is removed 5 Thread the crankarm puller into the nut removed from the crankarm puller When the c...

Page 29: ...e crankarm axle ensure the crankarm is positioned 180 opposite the other crankarm 2 Thread the crankarm mounting bolt into the crankarm axle and fully tighten 3 Install the pedal to the crankarm 4 Pedal the bike for one minute and then re tighten the crankarm mounting bolt Figure 14 Crankarm Crankarm Removal Tool Figure 15 Crankarm Position ...

Page 30: ...rankarm removal tools will be required Shimano TL FC10 Crankarm puller or a CCP 22 Crankarm puller available at most bike repair shops In this procedure the Shimano Crankarm Puller will be used 6 Remove the nut from the crankarm puller Thread the nut fully into the crankarm Note If the nut is not fully threaded into the crankarm the crankarm threads may be destroyed when the crankarm is removed 7 ...

Page 31: ...nut 10 Turn the adjustment bolt counter clockwise as required to remove the tension from the primary drive belt 11 Remove the primary drive belt Removing the Primary Pulley 12 Remove the 32mm retaining nut from the center of the primary pulley while holding the opposite side crank arm and pedal turning counterclockwise 13 Remove the primary pulley Figure 17 Crankarm Crankarm Removal Tool Figure 18...

Page 32: ...ide the primary pulley onto the crankarm axle assembly ensure the axle key is in place and aligns with the slot on the primary pulley Note The concaved side of the primary pulley will be facing the frame 15 Thread the 32mm retaining nut onto the input axle and fully tighten Figure 19 Primary Pulley Figure 20 Crankarm Axle Key ...

Page 33: ...olt Installing the Primary Drive Belt 19 Place the primary drive belt in its mounting position around the input pulley under the idler pulley and around the primary pulley 20 Tension the primary drive belt as per procedure Primary Belt Tension Adjustment on page 9 21 Replace the covers as per procedure Replacing the Covers UBK13 on page 16 or Replacing the Covers RBK13 on page 21 Replacing the Inp...

Page 34: ...uller available at most bike repair shops In this procedure the Shimano Crankarm Puller will be used 6 Remove the nut from the crankarm puller Thread the nut fully into the crankarm Note If the nut is not fully threaded into the crankarm the crankarm threads may be destroyed when the crankarm is removed 7 Thread the crankarm puller into the nut removed from the crankarm puller When the crankarm pu...

Page 35: ... nut 10 Turn the adjustment bolt counter clockwise as required to remove the tension from the primary drive belt Remove the primary drive belt Removing the Primary Pulley 11 Remove the 32mm retaining nut from the center of the primary pulley while holding the opposite side crank arm and pedal turning counterclockwise 12 Remove the primary pulley Figure 23 Crankarm Crankarm Removal Tool Figure 24 D...

Page 36: ...34 13 Remove the right hand crankarm Removing the Crankarm Axle Assembly 14 Remove the three 3mm screws and washers that secure the crankarm axle assembly 15 Pull on the crankarm axle shaft to remove the crankarm axle assembly Figure 25 Primary Pulley Figure 26 Crankarm Retainning Screws ...

Page 37: ...me with the three screws and washers fully tighten Installing the Primary Pulley 18 Slide the primary pulley onto the crankarm axle assembly ensure the axle key is in place and aligns with the slot on the primary pulley Note The concaved side of the primary pulley will be facing the frame 19 Thread the 32mm retaining nut onto the input axle and fully tighten Figure 27 Crankarm Axle Assembly Remove...

Page 38: ...a Crankarm 23 Place the crankarm onto the crankarm axle ensure the crankarm is positioned 180 opposite the other crankarm 24 Thread the crankarm mounting bolt into the crankarm axle and fully tighten 25 Install the pedal to the crankarm 26 Pedal the bike for one minute and then re tighten the crankarm mounting bolt 27 Replace the covers as per procedure Replacing the Covers RBK13 on page 21 or Rep...

Page 39: ...ulley bracket mounting bolts 3 Loosen the adjustment bolt lock nut 4 Turn the adjustment bolt counter clockwise as required to remove the tension from the primary drive belt 5 Remove the primary drive belt Removing the Idler Pulley 6 Remove the retaining ring that secures the idler pulley to the axle 7 Remove the idler pulley Figure 30 Drive Belt Adjustment ...

Page 40: ...ry drive belt as per procedure Primary Belt Tension Adjustment on page 9 12 Replace the covers as per procedure Replacing the Covers RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Replacing a Generator 1 Remove the covers as per procedure Replacing the Covers RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Removing the Primary Drive Belt 2 Slightly loosen the three idler pulle...

Page 41: ...ure idler pulley bracket to the generator 7 Disconnect the generator cable connectors and the eddy current source magnet One cable connector is plugged directly into the generator the other is connected to a cable extension 8 Remove the four 5mm mounting bolts nuts and washers that secure the generator to the frame two bolts on each side Figure 32 Drive Belt Adjustment Figure 33 Generator Cable Co...

Page 42: ...ure the generator to the frame using the four 5mm mounting bolts nuts and washers fully tighten 12 Connect the two generator connector cables one directly to the generator and the other to the cable extension connector 13 Thread the three mounting bolts through the idler pulley bracket and into the generator only hand tighten at this time Figure 34 Generator Mounting Bolts Figure 35 Generator Moun...

Page 43: ...Replacing the Covers UBK13 on page 16 Replacing a Battery 1 Remove the covers as per procedure Replacing the Covers RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Removing the Battery 2 Disconnect the cable connectors from the positive White Wire and negative Black Wire terminals of the battery 3 Remove the two screws that secure the battery bracket to the frame one screw on each side o...

Page 44: ... square 10 Connect the remaining cable connector Black Wire to the negative terminal on the battery 11 Replace the covers as per procedure Replacing the Covers RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Replacing the lower PCA 1 Remove the covers as per procedure Replacing the Covers RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Removing the Lower PCA 2 Disconnect all of...

Page 45: ...ould be on the right hand side of the bracket 7 Secure the lower PCA to the mounting bracket with the four screws and stand offs removed earlier 8 Set the lower PCA bracket in its mounting position and fasten it to the frame with the two screws 9 Reconnect the wiring to the lower PCA as follows two red load wires to M1 M8 red generator wire to M3 white generator wire to M4 generator wire to M5 red...

Page 46: ...RBK13 on page 21 or Replacing the Covers UBK13 on page 16 Replacing the Seat Post Pop Pin UBK13 Only Removing the Seat Post Pop Pin 1 Remove the pop pin knob turn the knob counter clockwise to remove Note Sitting on the seat while removing the knob will help prevent the pop pin from rotating 2 Remove the retaining ring Figure 41 Lower PCA Connectors ...

Page 47: ... post as follows Starting from the threaded side of the pin slide on the spring and bushing on the non threaded side of the pin slide on the rubber insert See Figure Below 6 Pull the seat post up until one of the height level holes is aligned with the pop pin housing on the frame 7 Slide the pop pin assembly into place so the pin locks the seat post into place 8 Secure the pop pin assembly in plac...

Page 48: ...move the retaining ring 3 Pull up slightly on the seat post to relieve the pressure off the pop pin Pull the pop pin out of the frame 4 The seat post is now unsupported ease the seat post into its lowest position Removing the Seat Post 5 Lift the seat post until you see the window in the post than lower the post so that only the top portion of the window can be seen above the collar Press on the s...

Page 49: ...at Post Pop Pin 8 Assemble the seat post as follows Starting from the threaded side of the pin slide on the spring and bushing on the non threaded side of the pin slide on the rubber insert See Figure Below 9 Pull the seat post up until one of the height level holes is aligned with the pop pin housing on the frame 10 Slide the pop pin assembly into place so the pin locks the seat post into place 1...

Page 50: ...from rotating 2 Remove the retaining ring 3 Pull up slightly on the seat post to relieve the pressure off the pop pin Pull the pop pin out of the frame 4 The seat post is now unsupported ease the seat post into its lowest position Removing the Seat Post 5 Lift the seat post until you see the window in the post than lower the post so that only the top portion of the window can be seen above the col...

Page 51: ...post from the bicycle Removing Seat Post Components 7 Remove the two screws that secure the seat axle to the seat post Pull the seat post axle from the seat post 8 Compress one side of the compression spring and then pull to release it from the seat axle Figure 48 Seat Post Window Collar Figure 49 Seat Post Components ...

Page 52: ...e Seat Post 12 Slide the seat post into the bicycle frame until only the top portion of the window can be seen above the collar and then snap the collar into place Installing the Seat Post Pop Pin 13 Assemble the seat post as follows Starting from the threaded side of the pin slide on the spring and bushing on the non threaded side of the pin slide on the rubber insert See Figure Below 14 Pull the...

Page 53: ... seat rail Care must be taken when removing the seat carriage to avoid damaging the heart rate cables 2 Move the seat carriage to its most forward position Remove the two Philips screws that fasten the end cap in the seat rail Remove the end cap 3 Move the seat carriage to its most back position Remove the 3mm screw and washer that secures the water bottle holder to the seat rail Carefully unsnap ...

Page 54: ... 6 Disconnect the heart rate cables 7 Carefully slide the seat carriage off the seat rail ensure the heart rate cable does not get caught on the rail when removing the carriage Removing the Heart Rate Cables 8 On the underside of the seat carriage remove the cable cover and disconnect the flat ribbon cable from the cable to the heart rate grips Figure 52 Water Bottle Mounting Screw Figure 53 Heart...

Page 55: ...ss hole on the underside of the seat carriage 13 On both the right and left handlebars feed the white wire out of the upper heart rate grip access hole and the black wire out of the lower heart rate grip access hole 14 On both handlebars connect the upper heart rate grip to the white wire and the lower handlebar grip to the black wire Replace the screws and fully tighten 15 Connect the flat ribbon...

Page 56: ...n it with the hardware just removed Removing the Release Handle Assembly 3 Using a 14mm and 13mm open end wrench remove the seat carriage wheels located next to the release handle pivot 4 Remove the 14mm lock nut that secures the spring and the release handle pivot to the carriage remove the release handle Figure 55 Seat Carriage Wheel Figure 56 Seat Carriage Release Handle ...

Page 57: ... and lock nuts Installing the Seat Carriage Assembly 8 Slide the seat carriage partially onto the seat rail 9 Slide the seat carriage fully on the seat rail and all the way forward Set the seat stop in its position 10 Connect the flat ribbon cable to the heart rate cable in the seat rail and replace the cable clamp Secure the clamp with the screws removed earlier Fully tighten 11 Slide the seat ca...

Page 58: ... Precor Incorporated Unauthorized Reproduction and Distribution Prohibited by Law Page 56 In This Section Block Diagrams 57 Wire Diagrams 58 S e c t io n S e v e n Wire and Block Diagrams ...

Page 59: ... Precor Incorporated Unauthorized Reproduction and Distribution Prohibited by Law Page 57 Block Diagrams ...

Page 60: ... Precor Incorporated Unauthorized Reproduction and Distribution Prohibited by Law Page 58 Wire Diagrams ...

Page 61: ...Maintenance Owner 6 Replacing a Battery 41 Replacing a Crankarm 26 Replacing a Generator 38 Replacing a Primary Drive Belt 25 Replacing a Seat Post Component UBK Only 48 Replacing All or Part of a Seat Carriage RBK only 51 Replacing the Covers RBK13 9 21 25 28 31 36 38 41 42 44 Replacing the Covers UBK13 9 16 25 28 31 36 38 41 42 44 Replacing the Idler Pulley 36 Replacing the Input Pulley and Axle...

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Precor UBK13, Service Manual

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