Precor Bicycle-mounted Child Seat C842 Скачать руководство пользователя страница 68

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C842, C842i, C846, C846i Upright and Recumbent Cycle

Page 68

Procedure 7.14 - Replacing the Primary Drive Belt

1. For C842, C842i, C846i and C846 version 2 units, skip to step 8. For C846 version 1 units,

continue with step 2.

2. Set the on/off switch in the off position.

3. Remove the right hand cover per Procedure 7.1.

4. Loosen both idler bracket mounting bolts and release the tension from the primary drive

belt. Remove the primary drive belt.

Diagram 7.22 - Primary Drive Belt, C846 version 1

5. Set the replacement primary drive belt in it’s mounting position as shown in Diagram 7.22.

Snug but do not tighten the upper idler bracket mounting bolt. Attach a drive belt tension

gauge (Precor part # 20030-108 or equivalent) to the upper span of the primary drive belt.

Insert a 1/2” drive socket wrench into the square hole shown in Diagram 7.22. Rotate the

drive bracket clockwise until the tension gauge reads 90 pounds. Torque both idler bracket

mounting bolts to 350 in/lbs.

6. Check the cycle’s operation per Section 4.

Primary

Drive Belt

Square

Hole

Adjustment

Bolt

Содержание Bicycle-mounted Child Seat C842

Страница 1: ...repair and maintain this product This document contains general product information software diagnostic procedures when available preventative maintenance procedures inspection and adjustment procedu...

Страница 2: ...em to provide pedalling resistance All C842 bicycles are second generation bicycles and were first produced on February 2003 The C842 upright is manufactured under serial code NK the C842 recumbent is...

Страница 3: ...sually check the bicycle before beginning service or maintenance operations If it is not completely assembled or is damaged in any way exercise extreme caution while operating and checking the bicycle...

Страница 4: ...service a Precor C842 C842i C846 or C846i Upright or Recumbent Cycle Tools Phillip and flat head screwdrivers Standard and metric allen wrench set Open end wrench set Socket wrench set Chip puller Rub...

Страница 5: ...ug the 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 dam...

Страница 6: ...2i C846 or C846i perform these preventive maintenance activities Perform the software diagnostics Check LED and keypad function Record the odometer reading See Procedure 3 1 Check speed sensor functio...

Страница 7: ...5 and the QUICK START key key 7 The standard access codes use all sequential key presses The allowable delay between key presses is short If too much time is taken between key presses the access proce...

Страница 8: ...C842 C842i C846 C846i Upright and Recumbent Cycle Page 8 Diagram 3 2 C846i and C846 version 2 Display Key 7 Key 6 Key 5 Reset Key 1...

Страница 9: ...ven vertical rows of two dots each Each row corresponds to a key on the display Press each of the seven keys including the hidden key between the CHANGE and QUICK START key the corresponding row will...

Страница 10: ...s unfiltered the F indicates filtered and P indicates Polar Release the hand held heart rate grips and repeat the test using a chest strap transmitter or heart rate test transmitter Verify that both t...

Страница 11: ...ill scroll indicating that the optional external is or is not conne cted Pressing the SELECT key will cause a messageto be displayed indicating the battery condition Pressing the SELECT key again will...

Страница 12: ...ies 7 Press and hold the RESET key to exit the ODOMETER program 8 The display will momentarily read INFORMATION DISPLAY 9 The display will momentarily read ODOMETER 10 The odometer will be displayed a...

Страница 13: ...ns as REVOLUTIONS XXXXXX 20 Press the SELECT key to continue to the total hours display 21 The total hours the bike has been used will be displayed as HOURS XXXX 22 Press the SELECT key to continue to...

Страница 14: ...displayed on th e display window The maximum workout time is the maximum time a user is allowed to use the unit 9 The maximum workout time is adjustable between 10 and 240 minutes If you wish to chan...

Страница 15: ...to exit the program 23 Enter the club settings by pressing keys RESET 5 6 5 1 5 6 5 sequentially 24 The display will momentary read SELECT UNITS followed by either U S STANDARD or METRIC The or keys...

Страница 16: ...it to Precor When a problem occurs record the following information Model and serial number Software version number Note Look at the PROM mounted on the upper PCA A label on the PROM indicates the so...

Страница 17: ...ing noises 6 If the bike makes unusual noises or the electronic display does not change appropriately troubleshoot per Section 6 7 Press the RESISTANCE key until you reach Resistance Level 10 Operate...

Страница 18: ...the primary drive belt The gauge should read approximately 60 pounds If the reading is incorrect continue with step 4 Diagram 5 1 Primary Belt Tensioning C846 version 1 5 Loosen the adjustment bolt o...

Страница 19: ...minus 5 pounds If the belt tension is incorrect loosen but do remove the idler pulley locknut Insert a pry bar between the bottom side of the idler pulley and the frame tab directly below the idler p...

Страница 20: ...pper span of the secondary drive belt The gauge should read approximately 60 pounds If the drive belt gauge reading is incorrect continue with step 4 Diagram 5 3 Secondary Belt Tensioning C846 version...

Страница 21: ...The belt gauge should read 90 pounds plus or minus 5 pounds 10 The secondary belt tension is set by adjusting the position of the generator Loosen but do not remove the four generator mounting bolts L...

Страница 22: ...ate counterclockwise to loosen or clockwise to tighten the seat Perform half of the adjustment using the right hand adjustment plate and half of the adjustment using the left hand adjustment plate 4 A...

Страница 23: ...leshoot the interconnect cables is to by pass them with a known good interconnect cable 10 Remove the left hand cover per Procedure 7 1 Troubleshooting the upper interconnect cable 11 Remove the displ...

Страница 24: ...eck the operation of the cycle as described in Section Four 23 If you have performed all of the previous tests and have not been able to locate the trouble call Precor customer support 24 Both the upp...

Страница 25: ...the by pass cable to the junction block and the lower PCA 33 Check the operation of the cycle as described in Section Four 34 If the problem is still present troubleshoot junction block Troubleshootin...

Страница 26: ...g displayed continue with step 3 If one or more keys do not function skip to step 8 3 Remove the screws that secure the upper display assembly to the upper handrail Carefully pull some excess intercon...

Страница 27: ...er PCA as appropriate Diagram 6 4 J3 J4 Connectors C846 version 1 8 Substitute a known good keyboard display housing to determine if the keyboard is defective If the keys not function normally replace...

Страница 28: ...easure voltages in the unit it is necessary to keep the unit powered up This can be accomplished either by pedaling on the unit or by installing the optional external power adapter 1 On C846 Version 1...

Страница 29: ...While pedaling the cycle measure the voltage across the C16 capacitor with a DC voltmeter See Diagram 6 5 The measurement should be approximately 8 9 Vdc 0 5 Vdc 8 If the voltage is missing or signifi...

Страница 30: ...p 15 17 If the measurement in step 12 is still significantly low or high replace the lower PCA If replacing the lower PCA does correct the problem skip to step 20 18 Remove the upper display panel and...

Страница 31: ...esistor R25 See Diagram 6 5 and pedal the bike for a minute Stop pedaling the bike Slowly rotate the secondary pulley by hand until the magnet mounted on the flywheel passes the speed sensor The DC vo...

Страница 32: ...ley with magnet Skip to step 6 6 Replace the lower PCA Check the lower PCA as in step 1 7 If you have performed all of the previous tests and have not been able to locate the trouble call Precor custo...

Страница 33: ...Vdc but there is no resistance measure the voltage between terminals 1 red wire and 4 black wire of the J1 connector on the lower PCA The voltage should measure approximately 18 19 Vdc 1 Vdc Measure...

Страница 34: ...customer support 15 Enter the manual program and set the work level at level 20 Pedal the cycleand confirm that there is no resistance or that the resistance is abnormally low Note The voltage reading...

Страница 35: ...w replace the generator The eddy current magnet is furnished with the generator After replacing the generator tension the secondary belt per Procedure 5 2 20 If the measurement in step 18 was correct...

Страница 36: ...dure 7 15 5 Remove the secondary drive belt per procedure 7 16 6 Turn the primary pulley secondary pulley idler pulley and alternator or generator by hand to determine which part is not turning freely...

Страница 37: ...ot being received the system will accept the hand held signal Note There are four typical failure modes for the hand held chest strap heart rate system They are 1 hand held is normal no chest strap re...

Страница 38: ...ted skip to step 13 11 The source of the radiated energy must be determined and relocated so that it no longer affects the heart rate PCA Televisions cell phones Cardio theatre receivers etc are possi...

Страница 39: ...is being accepted measure between the ground and 5 Vdc pins on J4 for 5 Vdc If 5 Vdc is present replace the heart rate PCA 19 If 5 Vdc is not present remove the connector from J4 of the heart rate PC...

Страница 40: ...nt Cycle Page 40 25 Set the on off switch in the off position and remove the spare jumper from J14 of the heart rate PCA Re locate all potential sources of radiation Set the on off switch in the on po...

Страница 41: ...over 4 If you are removing the left hand cover a plastic cap covers the crankarm mounting bolt Using a thin bladed tool remove the cap from the crankarm See Diagram 7 1 continue with step 4 If you are...

Страница 42: ...axle and slide the crankarm onto the axle Ensure that the crankarms are opposite 180 each other Place blue loctite on the crankarm mounting bolt and thread the crankarm mounting bolt into the axle an...

Страница 43: ...cumbent Cycle Page 43 19 Slide the top edge of the left side cover under the top cover and hand start the two remaining top bolts and the two bottom bolts Hand start the two rear cover bolts 20 Secure...

Страница 44: ...hand pedal is reverse threaded 9 Torque the pedal s to 150 in lb This procedure is complete 10 If you are replacing a pedal s only it is not necessary to remove the crankarm s 11 Grasp the pedal spin...

Страница 45: ...cumbent Cycle Page 45 Diagram 7 2 Crankarm C842 C842i C846i and C846 version 2 17 Hand thread the pedal s into the crankarm s Remember the left hand pedal is reverse threaded 18 Torque the pedal s to...

Страница 46: ...ward on the seat adjustment knob and lift the seat post out of the cycle s frame Diagram 7 3 Seat Upright Cycle 4 Pull the seat adjustment knob outward slide the replacement seat post into place in th...

Страница 47: ...on 1 units continue with step 2 2 Set the on off switch in the off position 3 The seat carriage assembly consists of the following carriage seat wheels and seat adjustment assembly See Diagram 7 4 Dia...

Страница 48: ...t to 120 in lb Diagram 7 5 Seat wheel Assembly 8 If you are replacing all or part of the seat adjustment assembly gently tap the roll pin out of the adjustment lever See Diagram 7 6 Loosen the nuts th...

Страница 49: ...vels throughout it s full range and securely locks into position when the seat adjustment lever is released 14 If the seat movement in step 13 is too tight or there is excessive side to side wobble ad...

Страница 50: ...cable back into the access hole The seat carriage must travel over this cable so it must be below the surface of the seat rail Release the seat lever hold the cable attached to the seat straight back...

Страница 51: ...le is being replaced skip to step 29 If the internal cable is being replaced continue with step 25 25 Remove the screws retaining the hand held heart rate contact plates from both the left and right s...

Страница 52: ...place the cover plate mounting screws be sure that the cable is centered on the cover plate so that the cover plate mounting screws will not damage the external hand held heart rate cable 31 With the...

Страница 53: ...ps 1 4 5 Disconnect the upper interconnect cable from the junction block located near the base of the column see Diagram 7 13 Diagram 7 13 Interconnect Cable Junction Blocks 6 Remove the four bolts fr...

Страница 54: ...fully move the column away from the bike frame taking care not to damage the cables shown in Diagram 6 2 Lay the column on the floor near the front of the bike 16 Extract both cables from the column 1...

Страница 55: ...not replacing the upper interconnect cable skip to step 15 10 Remove the display housing per Procedure 7 12 steps 1 4 11 Disconnect the upper interconnect cable from the junction block located near t...

Страница 56: ...to the seat cable Feed all excess seat cable under the seat Replace the cable plate removed in step 27 26 Disconnect the lower interconnect cable from the upper interconnect cable Disconnect the lower...

Страница 57: ...wires and disconnect them from the on off switch 5 Note the orientation of the on off switch depress the tabs on the on off switch and slide the switch out of the mounting panel 6 Orient the replaceme...

Страница 58: ...speed sensor reed switch out of it s mounting bracket 5 Rotate the secondary pulley so that the magnet is next to the speed sensor mounting position 6 Slide the speed sensor into it s mounting bracket...

Страница 59: ...lack wires black and orange wires on some old versions from the negative battery terminal Diagram 7 15 Battery C846 version 1 5 Remove the two battery bracket mounting screws Lift the battery bracket...

Страница 60: ...s that fasten the battery bracket to the frame Remove the battery and battery bracket 14 PLace the battery bracket on the replacement battery and set them in their mounting position with the positive...

Страница 61: ...ect the wire from heat generated by the resistor Diagram 7 17 Load Resistor Mounting 4 Remove the only the mounting screw shown in Diagram 7 17 Slide the load resistor mounting bracket out of the end...

Страница 62: ...wrist strap connected to the cycle s frame while performing steps 4 7 5 Disconnect the J1 J2 if heart rate is equipped J3 and J4 connectors from the lower PCA 6 Remove the four lower PCA mounting scre...

Страница 63: ...ring as follows Connect the wires from the external power jack to connector J4 on the lower PCA Connect the two red wires from the eddy current magnet to terminals M1 and M2 of the lower PCA it does n...

Страница 64: ...mounted on the rear of the upper PCA Remove the hand held heart rate cable C846 version 2 only from the hand held heart rate PCA 6 Note the orientation of the keypad cable connected to the J3 connect...

Страница 65: ...ctor and the heart rate cable from the J1 connector when equipped 15 Disconnect the keypad cable from the J2 connector 16 Remove the screws the retain the upper PCA to the display Remove the upper PCA...

Страница 66: ...alternator Balancing can only be maintained if the flywheel is mounted on it s original alternator 1 Set the on off switch in the off position 2 Remove both covers per Procedure 7 17 3 Loosen the uppe...

Страница 67: ...d tighten the upper alternator mounting bolt Securely tighten the upper and lower mounting bolts 9 Replace the alternator wiring as shown in Diagram 7 21 torque the nuts the retain the alternator s wi...

Страница 68: ...rive belt Diagram 7 22 Primary Drive Belt C846 version 1 5 Set the replacement primary drive belt in it s mounting position as shown in Diagram 7 22 Snug but do not tighten the upper idler bracket mou...

Страница 69: ...remove tension from the primary belt Diagram 7 23 Primary Drive Belt C842 C842i C846i and C846 version 2 10 Remove the primary belt Route the replacement primary belt around the primary pulley over t...

Страница 70: ...r so that tens 5 rotate the secondary pulley and guide the secondary drive belt off of the secondary pulley Diagram 7 24 Secondary Drive Belt Mounting C846 version 1 6 Remove the secondary drive belt...

Страница 71: ...djustment bolt to remove tension from the secondary belt See Diagram 7 25 remove the secondary belt Diagram 7 25 Secondary Drive Belt C842 C842i C846i and C846 version 2 13 Route the replacement secon...

Страница 72: ...the primary pulley shaft assembly out of the cycle 5 If you are not replacing the primary shaft bearings skip to step 7 6 Using a long thin tool tap the primary bearings out of the frame Diagram 7 26...

Страница 73: ...out of the frame The left hand bearing is in the frame bearing pocket the right side bearing is part of the primary pulley assembly 18 If the bearings are being replaced slide the left hand bearing ou...

Страница 74: ...y drive belt per Procedure 7 14 steps 1 3 3 Remove the secondary drive belt per Procedure 7 15 steps 1 4 4 Remove the retaining clip from the secondary shaft Slide the Secondary pulley off of the inte...

Страница 75: ...p 16 Loosen the idler pulley locknut and release tension from the primary belt 16 Loosen the secondary belt adjustment bolt and remove tension from the secondary belt 17 Remove the retaining ring from...

Страница 76: ...hers onto the secondary pulley shaft 26 Slide the replacement secondary pulley onto the secondary pulley shaft 27 Slide the remaining thrust washer onto the secondary pulley shaft Replace the outside...

Страница 77: ...idler pulley shaft 5 Slide the replacement idler pulley onto the idler pulley shaft 6 Replace the retaining clip 7 Replace the primary drive belt per procedure 7 14 steps 4 6 This procedure is complet...

Страница 78: ...quare package PLCC44 Each of these packages should be removed with a proper IC removal tool see the illustrators below 4 The IC s may inserted into their socket by hand by carefully aligning the notch...

Страница 79: ...generator mounting bolts See Diagram 7 30 Diagram 7 30 Generator Mounting C842 C842i C846i and C846 version 2 6 Remove the generator with the lower PCA from the bike 7 Using anti static protection rem...

Страница 80: ...does not matter which red wire goes on terminal M1 or M2 Connect the red wire from the generator to terminal M3 connect the black wire from the generator to terminal M4 and the white wire from the gen...

Страница 81: ...ring has two retaining screws like the screws just removed from the left hand bearing It is necessary to rotate the primary pulley until theaccess hole in the primary pulley aligns with the retainings...

Страница 82: ...right hand bearing requires replacement replace Precor part number 45439 102 primary pulley assembly See Diagram 7 33 Diagram 7 33 Primary Pulley Assembly 10 Slide the primary pulley assembly into the...

Страница 83: ...rimary belt around the primary pulley over the idler pulley and around the secondary axle as shown in Diagram 7 23 14 Tension the primary belt per Procedure 5 1 15 Replace the crankarm covers and fast...

Страница 84: ...C842 C842i C846 C846i Upright and Recumbent Cycle Page 84 Wiring Diagram C846 version 1 6...

Страница 85: ...C842 C842i C846 C846i Upright and Recumbent Cycle Page 85 Block Diagram C846 version 1...

Страница 86: ...C842 C842i C846 C846i Upright and Recumbent Cycle Page 86 Wiring Diagram C842 C842i C846i and C846 version 2...

Страница 87: ...C842 C842i C846 C846i Upright and Recumbent Cycle Page 87 Block Diagram C842 C842i C846i C846 version 2 BK W R M2 M1 Magnet R R...

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