Dyaco SE578B-YE014 Service Manual Download

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SE578B-YE014

Elliptica

Service Manual

Summary of Contents for SE578B-YE014

Page 1: ...SE578B YE014 Elliptical Service Manual ...

Page 2: ... Connections 6 5 Driver Board Wire Connections 6 6 Driver Board PCB Component Locations 6 7 Driver Board LED Indicator Locations 6 8 Controller Indicator LED Debugging 6 9 Driver Board Function 6 10 Tension Motor Connector Definition Function 7 Product Safety Instructions 7 1 Important Safety Instructions 7 2 Important Electrical Instructions 7 3 Important Grounding Instructions 8 Elliptical Error...

Page 3: ... 2 Slip Problem 10 3 Resistance Incline Problem 10 4 Smooth Problem 11 Disassembling and Assembling of Parts 11 1 Console Replacement 11 2 Swing Arm Replacement 11 3 Connecting Arm Replacement 11 4 Pedal Arm Replacement 11 5 Console Mast Replacement 11 6 Side Case Replacement 11 7 Cross Bar Replacement 11 8 Idler Wheel Replacement 11 9 Flywheel Poly V Belt Replacement 11 10 Rear Frame Replacement ...

Page 4: ...S Se er rv vi ic ce e M Ma an nu ua al l 3 Circuit Diagram ...

Page 5: ...S Se er rv vi ic ce e M Ma an nu ua al l 4 1 Elliptical Outlines ...

Page 6: ...nt handlebar cover R Console Left side case Pedal L Console mast cover Rear cover 1 Front cover Connecting arm cover B Middle cover Slide wheel cover Bottom cover Right side case Bottom middle case Round disk cover Pedal arm cover R Connecting arm cover A Pedal R Round disk Rear cover 2 ...

Page 7: ...parts Pedal arm L Adjustable pedal Adjusting knob Connecting arm L Flywheel Tension motor Console mast Swing arm L Swing arm R Rail assembly Incline motor Pedal arm R Drive Pulley Cross Bar Controller Main frame Connecting arm R Middle frame Rear frame ...

Page 8: ...S Se er rv vi ic ce e M Ma an nu ua al l 7 2 Electronic Parts ...

Page 9: ...S Se er rv vi ic ce e M Ma an nu ua al l 8 2 1 Upper Controllers DISPLAY Cooling FAN THUMB SWITCH Speaker ...

Page 10: ...S Se er rv vi ic ce e M Ma an nu ua al l 9 2 2 Lower Controller and Driver SPEED SENSOR MOTOR CONTROLLER TENSION MOTOR INCLINE MOTOR ...

Page 11: ...S Se er rv vi ic ce e M Ma an nu ua al l 10 3 Electrical Configurations ...

Page 12: ...ontrol variable elevation by console within main controller GENERAL INFORMATION CONSOLE Contains Key controls and LCD Display Main controller Include power supply motor driver control circuit and incline control circuit TENSION MOTOR Work voltage DC 4 5 7 5V Control resistance increases and decreases INCLINE MOTOR This is a 120 volt AC motor Have four wires red black white and green Has one 3 pins...

Page 13: ...S Se er rv vi ic ce e M Ma an nu ua al l 12 4 Elliptical Operation ...

Page 14: ...S Se er rv vi ic ce e M Ma an nu ua al l 13 Display Windows 7 5 LCD Display ...

Page 15: ...S Se er rv vi ic ce e M Ma an nu ua al l 14 LCD Layout ...

Page 16: ...witch the SLEEP MODE ON OFF Press ENTER key to confirm the set up and jump out to IDEL MODE 2 4 In DISPLAY MODE LCD screen will has no display and backlit will be off Press any key to wake up the system and back into IDEL MODE 2 5 Resistance in SLEEP MODE Incline 1 FAN system OFF CHILD LOCK MODE 3 1 Pre set CHILD LOCK OFF DISABLE You could set the CHILD LOCK ON OFF by ENGINEERING MODE 3 2 The mess...

Page 17: ...n 6 2 1 Display AVG LEVEL XX AVG SPD XX X AVG PULSE XX AVG INCL XX in message window each three seconds 6 2 2 The message window will display PROGRAM END PRESS START TO REPEAT OR STOP TO END OR USER KEY TO SAVE Press START key to restart the same program STOP key to stop the program USER key to save the parameter in CUSTOM USER 6 2 3 LEVEL INCLINE and PULSE window will display all data average 6 2...

Page 18: ...EL Display the incline position from 0 to 20 DISPLAY range is 0 to 999 WORK range is 0 to 20 LEVEL preset value is 0 to 20 Press UP or DOWN to adjust incline each increment and decrement is 1 TIME TIME is either COUNT UP or COUNT DOWN System preset is COUNT UP if user sets the time then timer is COUNT DOWN DISPLAY range is 0 00 to 99 99 WORK range is 0 00 to 99 59 COUNT DOWN setup range is 10 00 t...

Page 19: ...n kilometer or Mile DISPLAY range is 00 0 to 99 9 WORK range is 00 0 to 99 9 CALORIES Displays the cumulative calories burned at any given time during your workout DISPLAY range is 00 0 to 999 WORK range is 00 0 to 999 PULSE Displays the heart rate beat by using hand pulse or receiver When use receiver a chest belt must be worn DISPLAY range is 0 to 999 WORK range is 40 to 220 BPM In RUN Mode if t...

Page 20: ...n nu ua al l 19 Function Button Locations Level quick keys 1 3 6 9 12 15 Incline quick keys 1 3 6 9 12 15 Fan Key Cooling fan switch on or off PROGRAM BUTTONS Manual Hill Fat Burn Strength Interval 2 User 2HR DISPLAY CONTROL KEYS ...

Page 21: ...l INCLINE DOWN button If user doesn t enter a setting then this button is non functional LEVEL RAPID button 5 preset buttons for rapid speed 1 2 4 6 8 10 INCLINE RAPID button 5preset buttons for rapid incline 2 4 6 8 10 12 FAN button It can to control ON OFF for the fan DISPLAY KEY You could select the profile of SPEED or INCLINE by pressing DISPLAY key when select the program P0 P5 U1 U2 ENTER KE...

Page 22: ...n and each decrease is 1 the minimum incline position is 0 LEVEL RAPID button Speed will set to 1 3 6 9 12 15 quickly INCLINE RAPID button Incline will set to 1 3 6 9 12 15 position quickly Fan button It can to control ON OFF for the fan DISPLAY KEY Press DISPLAY key to switch the exercise data when you are workout If the display information is the latest data press DISPLAY key the message window ...

Page 23: ...S Se er rv vi ic ce e M Ma an nu ua al l 22 5 Elliptical Unit Block Diagrams ...

Page 24: ...S Se er rv vi ic ce e M Ma an nu ua al l 23 Elliptical Configuration ...

Page 25: ...S Se er rv vi ic ce e M Ma an nu ua al l 24 6 Basic Connections and Wiring ...

Page 26: ...S Se er rv vi ic ce e M Ma an nu ua al l 25 6 1 Display Board wire Connections ...

Page 27: ...S Se er rv vi ic ce e M Ma an nu ua al l 26 6 2 Display Board PCB Component Locations PCB Board Top ...

Page 28: ...S Se er rv vi ic ce e M Ma an nu ua al l 27 PCB Board Bottom ...

Page 29: ...S Se er rv vi ic ce e M Ma an nu ua al l 28 6 4 The console Interface Board wire Connections ...

Page 30: ...S Se er rv vi ic ce e M Ma an nu ua al l 29 6 4 Amplifier Board wire Connections ...

Page 31: ...S Se er rv vi ic ce e M Ma an nu ua al l 30 6 5 Driver Board Wire Connections ...

Page 32: ...S Se er rv vi ic ce e M Ma an nu ua al l 31 6 6 Driver Board PCB Component Locations ...

Page 33: ...S Se er rv vi ic ce e M Ma an nu ua al l 32 6 7 Driver Board LED Indicator Locations POWER INCLINE MOTOR DOWN INCLINE MOTOR UP ...

Page 34: ...always ON If off fault condition exists Voltage is not correct Fuse is blown Transformer is no good Check the supply voltage is 110 120V Replace Fuse Replace controller LED1 Motion of incline motor Motion of incline motor is up Transistor was broken Relay failed Replace controller LED2 Motion of incline motor Motion of incline motor is down Transistor was broken Relay failed Replace controller ...

Page 35: ...S Se er rv vi ic ce e M Ma an nu ua al l 34 6 9 Driver Board Function ...

Page 36: ...S Se er rv vi ic ce e M Ma an nu ua al l 35 6 10 Tension Motor connector definition function 1 2 3 4 5 6 7 8 1 2 SPEED SENSOR 1 GND 2 SPEED STEEL ROPE ...

Page 37: ...S Se er rv vi ic ce e M Ma an nu ua al l 36 7 Product Safety Instructions ...

Page 38: ... control This part is available through most electrical supply stores Examples Grainger part 1D237 or available online at www squared com part QO120HM 7 3 Important Grounding Instructions This product must be grounded If the treadmill should malfunction or breakdown grounding provides a path of least resistance for electric current reducing the risk of electric shock This product is equipped with ...

Page 39: ...S Se er rv vi ic ce e M Ma an nu ua al l 38 8 Error Messages Troubleshooting ...

Page 40: ...a al l 39 Error code items Error Message Explain E1 EEPROM failure E2 Tension motor is failure E3 The console board is not detecting the VR voltage value or the voltage value has exceeded the range Prepare Picture Tool name Multi meter ...

Page 41: ...u ua al l 40 8 1 Error Message E1 Definition All screens are off and outputs are stop when EEPROM is damaged or malfunction Display message will show E 1 and message window will show RAM ERROR Troubleshooting Replace upper controller ...

Page 42: ...S Se er rv vi ic ce e M Ma an nu ua al l 41 8 2 Error Message E2 Definition When you press the Level Up or Down key the motor does not move E2 appears on the display Configuration ...

Page 43: ...the Level Up is 5VDC Level DOWN is 5VDC If there is power to the motor but the motor does not operate replace it If there is no power output inspect whether the drive board has power Tension Motor Voltage Test Procedure 1 Put multi meter to the 20VDC setting Place probes on the motor control wire Red probe in blue wire Black probe in green wire on the drive board 2 Turn on unit power The display l...

Page 44: ...S Se er rv vi ic ce e M Ma an nu ua al l 43 Place probes on the motor control wire Red probe in blue wire Black probe in green wire on the drive board ...

Page 45: ...er rv vi ic ce e M Ma an nu ua al l 44 Error Message E3 Definition The console board is not detecting the VR voltage value or the voltage value has exceeded the range E3 appears on the display Configuration ...

Page 46: ...Incline VR value exceeds the range E3 appears on the display Incline motor isn t operation up or down making the VR value exceed the range After turning on the unit the display board detects that the incline VR voltage exceeds the range so E3 appears Action Flow Chart ...

Page 47: ...S Se er rv vi ic ce e M Ma an nu ua al l 46 ...

Page 48: ...es are broken or disconnected Display board 1 Inspect the incline wire and 12 pin cable connections 2 Test whether the VR voltage varies at the incline wire terminal 12 pin cable 1 Inspect the wire connections 2 Inspect whether wires are broken or crimped 3 Replace the wires and test again Driver board Inspect the display board 12 pin connections ...

Page 49: ...st configuration The console to driver board connector pin define function 11 10 9 8 7 6 5 4 3 2 1 The console to driver board connector pin define function 1 SPEED 2 GND 3 VCC 5V 4 ZERO 5 COUNT 6 MOTOR 7 MOTOR 8 VIN 9 INC UP 10 INC DOWN 11 INC VR ...

Page 50: ...tion RED UP BLACK DOWN White NEUTRAL The position sensor wires 1 Red Ground 2 White Position signal 3 Black 5vdc 0 5v depending on incline position INCLINE MOTOR DOWN LED 1 2 3 4 5 6 7 8 9 10 11 1 SPEED 2 GND 3 VCC 5V 4 ZERO 5 COUNT 6 MOTOR 7 MOTOR 8 VIN 9 INC UP 10 INC DOWN 11 INC VR INCLINE MOTOR UP LED 3 2 1 ...

Page 51: ...be loose If everything is tight then the potentiometer could be bad If there is no count then check the voltage at the potentiometer There should be 5vdc between the black and red wire and there should be a voltage between the red and white wire This voltage will be about 4 5 4 7 Vdc when the motor is at the lowest position the number isn t too critical as long as it s somewhere in this neighborho...

Page 52: ...S Se er rv vi ic ce e M Ma an nu ua al l 51 Error Message E3 Definition During incline action the display board CPU cannot read the VR value so E3 appears Configuration ...

Page 53: ...lay Explanation Press the incline UP and DOWN key The driver board UP or DOWN indicator lights The incline operates moving the VR which changes the VR value The display board CPU reads the incline VR value If there is no VR value change to the CPU the incline is not operating when it should be E3 appears on the display Action Flow Chart ...

Page 54: ... whether the 11 PIN cable is connected well 2 Test by replacing the cable with a good one Driver board Inspect whether the driver board UP DOWN LED is lit 1 Press incline UP or DOWN key again making the incline motor return to its position 2 If E3 still appears re calibrate the incline set Incline motor 1 Inspect whether the incline motor is stuck 2 Inspect whether the incline gears are cracked 3 ...

Page 55: ...S Se er rv vi ic ce e M Ma an nu ua al l 54 8 4 Circuit Diagram ...

Page 56: ...ss the Enter button to access the menu below Press the Level keys to navigate the menu A Key Test Will allow you to test all the keys to make sure they are functioning B Display Test Automatically tests all LCD s C Functions Press Enter to access settings use Level keys to scroll I ODO Reset Resets the odometer II Units Choose from English or Metric display readings III Display Mode Turn off to ha...

Page 57: ...t If your elliptical loses power or will not start check the fuse located on the motor controller DANGER Turn the power switch off and unplug the elliptical to reduce the risk of an electric shock Remove FUSE holder Remove and replace the fuse on the holder FUSE 5A ...

Page 58: ...nge the position or direction of elliptical 3 Replace with new receiver UP DOWN button of INCLINE ADJUSTMENT SWITCH can t be used Incline button just can press UP can t press DOWN Incline button just can press DOWN can t press UP 1 The connector of INCLINE CABLE and CONSOLE not connected properly 2 The connector of INCLINE CABLE and INCLINE ADJUSTMENT SWITCH W CABLE not connected properly 3 The co...

Page 59: ... function No pulse displayed on monitor 1 Chest belt not worn properly 2 Distance is too far and exceeds range of receiver 3 Chest belt battery is weak or dead 1 Check chest belt has proper contact with skin and is oriented correctly 2 User chest belt in front of console within 3 feet 3 Replace with new lithium battery type is CR2032 Chest belt too close to the treadmill Weak battery Replace with ...

Page 60: ...S Se er rv vi ic ce e M Ma an nu ua al l 59 9 Troubleshooting ...

Page 61: ...use console screen will display if there is no display first check AC adapter to make sure it is in the correct position 2 Next check if all the wires are inserted in the firmly and securely on to the console 3 Then remove the AC adapter fuse to check for damage replace if damaged ...

Page 62: ...S Se er rv vi ic ce e M Ma an nu ua al l 61 4 Remove console cover left and right chain covers check if all the wires are inserted in the correct positions and check if whether the wires broken ...

Page 63: ...assemble Refer to the assembly and disassembly procedures 3 If the disc is offset causing friction remove the left and right chain cover use Phillips screwdriver and remove the 5x16mm Tapping Screw as well as the 1 4 x19mm flat washer Placed the round disk and the Cross Bar on a flat surface to check if either is deformed If deformed check to see if the deformity can be fixed manually The deformit...

Page 64: ...justments or improper assembly causing offset creating abnormal sounds Please follow the magnetic flywheel and cable disassembly procedures to commence adjustments 2 If there is abnormal sound coming from the magnetic flywheel first check if are any foreign objects or friction make adjustments If adjustments are not able to be made replace with new part ...

Page 65: ...e not aligned in a straight line Lastly rotate at high speed 100 200RPM and test with abrupt stops to check for abnormalities If everything is ok restore to fully assemble 2 If the three parts are not aligned in a straight line adjust the magnetic flywheel to the proper place Adjustments are always made to product ensuring alignment before shipment from factory 3 If the Poly V Belt is slipping sim...

Page 66: ...o the top of Ø25x296L Swing Arm Axle If the noise is emitting from the bottom bracket then the 6005 bearings needs to be replaced 2 When the keys on the handrails are not functioning first remove the stickers use a Phillips head screw driver and remove the M5x20mm screws securing the keys to the Swing Arm 3 Check to see if the wires for the keys and swing arm are connected properly 3 Next check th...

Page 67: ... Inclinable Rail Assembly In short the main cause would be side Inclinable Rail Assembly and the Inclinable Rail Assembly are not parallel side Inclinable Rail Assembly and the main frame bottom bracket rotating sleeve do not come together as 90 degrees 3 Check to see if left Right connecting arm and left right step is connected properly if sliding wheel has the correct rotation degrees slipping o...

Page 68: ...line Motor Problem 1 When incline motor is not functioning check all the wire for secure connection check incline controller and power adaptor is damaged or broken Replace damaged or broken parts 2 Incline motor needs to be calibrated to the correct distance 242mm ...

Page 69: ...If there is no resistance first check to see if console is functioning normally Next check the Gear Motor cable if worn or damaged remove the Steel Cable Use Phillips screw driver to remove the Tapping Screw w 5x19 securing the Gear Motor cable and replace cable with new ...

Page 70: ...S Se er rv vi ic ce e M Ma an nu ua al l 69 10 Q A ...

Page 71: ... disk sleeve Cross Bar Belt and belt pulley Idler Wheel Plate Swing Arm Swing Arm Axle Flywheel Steel Cable Slide Wheel and Crank Arm during assembly along with side Inclinable Rail Assemblys as well as pedals The main reasons are usually not enough lubrication unsmooth rotations and loose screws Because the product is designed based on linked designs resolving noise issue will vary from machine t...

Page 72: ...e CAP Socket Head Cap Bolt 3 8 x2 1 4 on top and nyloc nut 3 8 x11T must be tightened securely recommended weight is between 500 600Lbs 1 3 Cross Bar CAP Socket Head Cap Bolt M8x40m m on top of the Cross Bar on the must be tightened to recommend 550 600Lbs 2 Belt This issue appears quite often because after a period of time most belts will become loose from use depending on usage time Solution wil...

Page 73: ... if gaps have been created after prolong use causing wear and tear or improper assembly For example shaking of the foot pedal is caused by loose Carriage Bolts from improper assembly 10 4 Smooth Problem 1 Check for loose screws if machine motion feels unsmooth 2 Check if there are foreign object on or around the sliding rail use an alcohol wipe to remove and re lubricate with lubricant ...

Page 74: ...S Se er rv vi ic ce e M Ma an nu ua al l 73 11 Disassembling and assembling of Parts ...

Page 75: ... 3 5x12mm 2pcs Remove bottom console cover 2 Use Phillips head screwdriver to remove Phillips Head Screws M5x10mm 4pcs securing the console Unfasten all connected wires and remove console 3 Reassemble in the reverse order as disassembly Be sure to not crush or damage wiring during process 4 To remove both upper and lower console cover remove the Sheet Metal Screws 3 5x12 that is securing the conso...

Page 76: ...er to remove Sheet Metal Screws 3 5x12mm securing the swing arm covers Front and Back 2 Disconnect the wiring connecting the upper and lower swing arms 3 Use Phillips head screwdriver to the Phillips Head Screws M5x15mm and Sheet Metal Screw 3 5x12mm to remove Connecting Arm Cover A left and right ...

Page 77: ...er B left and right 5 Use 14mm open end wrench to remove the hex head bolt 3 8 x3 4 and flat washer 3 8 x30x1 5T securing the swing arm assembly 6 Use 12 and 13 open end wrench affix swing arm assembly and remove hex head bolt 5 16 x1 1 4 flat washer 5 16 x20x1 5T and nyloc nut 5 16 x7T Remove swing arm assembly 7 Reassemble in the reverse order as disassembly ...

Page 78: ...ply remove swing arm with Rod End Bearing attached 2 Use 12mm open end wrench to remove hex head bolts 5 16 x15mm and flat washer 5 16 x23 Pull out the pedal carriage bolts to remove the Pedal Bar Assembly 3 If removal of adjustable pedal set use 14mm open end wrench and remove hex head bolt 3 8 x19 flat washer 3 18 x19x1 5T and nyloc nut 3 8 x7T ...

Page 79: ...d Screw M5x10mm and Bushing 19 14 10 5 4 T Pull out Axle of locking pin and use circlip pliers to remove circlip Ø10 Remove Locking Pin Assembly 5 Use Phillips screwdriver to remove Phillips Head Screw M5x10mm securing the pedal and remove pedal 6 Reassemble in the reverse order as disassembly ...

Page 80: ...ver to pedal arm joint and remove pedal arm joint cover 2 Use 8 hex wrench and 14 open end wrench to remove Gap socket screw 3 8 x2 1 4 flat washer 3 8 x19x1 5T and nyloc nut 3 8 x11T connecting the Inclinable Rail Assembly and rotating block to remove Inclinable Rail Assembly 3 Use 12 open end wrench to remove hex head bolt 5 16 x15mm and flat washer 5 16 x35x1 5T to remove Bushing Housing Pedal ...

Page 81: ...S Se er rv vi ic ce e M Ma an nu ua al l 80 4 Use circlip pliers to remove circlip Ø17 and remove sliding wheels 5 Reassemble in the reverse order as disassembly ...

Page 82: ...23 x2T external hex head bolts 3 8 x2 1 4 and Spring Washer 3 8 x2T that secures the Console Mast 4 If Handpulse Assembly needs to be disassembled use Phillips Head Screwdriver to remove Tapping ScrewsØ3x20 2 on the Handpulse Bar Gently pull out the wiring connecting the from the Handpulse Bottom Cover and disconnect from connector on the Handpulse Top Cover 5 Remove Handpulse End Cap from the Han...

Page 83: ...i ic ce e M Ma an nu ua al l 82 5 Remove Console Mast and Console Mast cover together pull out control wires and incline wires and separate covers from Console Mast 6 Reassemble in the reverse order as disassembly ...

Page 84: ...remove Phillips Head Screws M5x15mm securing the Front Stabilizer Cover and remove cover 3 Use Phillips head screw to remover left cover self securing screw 4x19 and Tapping Screw 5x16 remove left chain cover 4 Use Phillips head screwdriver to remove Sheet Metal Screw 4x15 flat washer x19 and Tapping Screw 5x16 that secures right chain cover to mainframe ...

Page 85: ...l l 84 5 Remove grounding wire and console wiring from AC base terminal remember wire connection points remove right chain cover 6 Reassemble in the reverse order as disassembly Flat Washer 5 16 x23x1 5T is to be placed on the right cover ...

Page 86: ...ove hex head bolt 5 16 x15mm flat washer 5 16 x35x1 5T securing the cross bar 3 Use 13 wrench and loosen the outer Nut M8x6 3T steel lvl 10 Use 13 wrench and hex wrench M6 to loosen the inner Nut and remove the cross bar 4 When reassembling place the cross bar into the center of the rotating mandrel Next place the Woodruff Key with the rounded part facing inwards Reassemble remaining parts in the ...

Page 87: ... to remove belt Use 13 wrench Double Open End Wrench to remove screws M8x20 nyloc nut M8x7T and flat washer 5 16 x20x1 5T to remove the Idler wheel 3 Reassemble parts in the reverse order as disassembly tighten the nyloc nuts M8x9T on top of the hook screws flick the belt for crisp sound to check tightness or use a sound measuring device to measure at 190HZ 10 reassemble the remaining parts ...

Page 88: ...ove 2 Use the console to adjust the resistance lvl 20 and remove Steel Cable 3 Use 15 Double Open End Wrench to loosen nyloc nut 3 8 UNF26x9T on flywheel and main frame Remove flywheel and belt 4 Reassemble parts in the reverse order as disassembly and adjust belt and center the belt wheel Reassemble the remaining parts ...

Page 89: ...incline motor 2 Use two 14mm Double Open End Wrench and 12mm Double Open End Wrench to remove hex head bolt 3 8 x1 1 2 flat washer 3 8 x19x1 5T nyloc nut 3 8x7T outer hex head bolt 5 16 x2 1 4 spring washer 5 16 x1 5T flat washer 5 16 x20x1 5T and star washer Ø5 16 Remove rear frame 3 Reassemble parts in the reverse order as disassembly and make sure wirings are connected correctly same color wire...

Page 90: ...10 above 2 Use Phillips head screwdriver to remove screws M5x15mm from Rear Bar Cover Inclinable Rail Cover and Incline Cover then remove parts 3 Use two 14mm Open End Wrench to remove hex head bolt 3 8 x2 1 2 from Rear Rail Assembly and Incline Motor Holder including flat washer 3 8 x19x1 5T and nyloc nut 3 8 x7T ...

Page 91: ...16 x 35x2T and pull out locking tube assembly and remove rail assembly 5 Use two 14mm Open End Wrench to remove head hex bolt 3 8 x1 1 2 flat washer 3 8 x19x1 5T and nyloc nut 3 8 x7T from incline motor 6 Use Phillips head screwdriver to remove tapping screw 5x16 from incline motor grounding wire Cut the Wire Tie Mount and remove incline motor ...

Page 92: ... remove the rail assembly 8 If removal of aluminum rail is needed remove Phillips head screws M5x15mm from aluminum rail to proceed 9 If removal of incline wheel is needed use Phillips head screwdriver to remove thumb head socket screw M6x10mm 2 nylock screw flat washer x19x1 5T 2 to proceed 10 Reassemble in the reverse order as disassembly ...

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Dyaco SE578B-YE014, Service Manual

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