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Model 

SE578A 

Service 

Troubleshooting 

Parts 

1. Console Assembly 

Rev.   

 

 

 

 

 

 

Procedures:

 

1.

 

If the display does not come on, make 
sure that AC power switch is turned 
on, as shown in figure 1. 

2.

 

Then check if the console connectors 
are properly plugged in, as shown in 
figure 2. 

3.

 

If necessary, replace the fuse of the AC 
power switch module, as shown in 
figure 3. 

4.

 

Check electric wire damages in the 
console and inside of chain covers that 
could cause the problem, as shown in 
figure 4. 

 

 

Summary of Contents for SE578A

Page 1: ...rm Cover L Side Case Console Mast Cover L Pedal Handgrip Foam Rear Bar Cove R Pedal Connecting Arm Cover B L R Inclinable Rail Cover Round Disk Incline Cover R Side Case Connecting Arm Cover A L R Sli...

Page 2: ...table Pedal Console Mast Flywheel Locking Pin Assembly Gear Motor R Swing Arm Incline Controller Incline Motor Drive Pulley R Pedal Arm Cross Bar Rear Rail Assembly Adjustable Pedal Bushing Housing Ra...

Page 3: ...Idler Wheel Assembly 9 Flywheel and Drive Belt 10 Rail Base Assembly 11 Rear Rail Assembly and Incline Motor II Troubleshooting 1 Console Assembly 2 Side Cases and Round Disk 3 Flywheel 4 Drive Belt...

Page 4: ...ers as shown in figures 1 2 and 3 2 Use Phillips head screw driver to release four M5x10mm Phillips head screws and disconnect Computer cable Handle Resistance Wire Handle Incline wire and Handpulse C...

Page 5: ...as shown in figure 1 2 Disconnect upper and lower Handle Wires as shown in figure 2 3 Use Phillips head screw driver to release M5x15mm Phillips Head Screws and 3 5x12 Sheet Metal Screws which secure...

Page 6: ...gether with 3 8 x30x1 5T Flat Washer which secure Swing Arms as shown in figure 5 6 Use 12mm and 13mm wrenches to release 5 16 x1 1 4 Hex Head Bolt 5 16 x20x1 5T Flat Washer and 5 16 x7T Nyloc Nut whi...

Page 7: ...t Washer which secure the Connecting Arm then pull out Carriage Bolt under the Pedal as shown in figures 1 2 3 To disassemble Adjustable Pedal use 14mm wrench to release 3 8 x19 Hex Head Bolt 3 8 x19x...

Page 8: ...rts 3 Connecting Arm Assembly Rev 5 6 7 8 Procedures 4 Use Phillips head screw driver to release M5x10mm Phillips Head Screws which secure the Pedal to take it apart as shown in figure 8 5 Reverse abo...

Page 9: ...e 3 8 x2 1 4 Socket Head Cap Bolt 3 8 x19x1 5T Flat Washer and 3 8 x11T Nyloc Nut which secure Pedal Arm and Bushing Housing together and take Pedal Arm apart as shown in figure 2 3 Use 12mm open end...

Page 10: ...rench to release 3 8 x3 4 Hex Head Bolt 3 8 x23 x2T Curved Washer 3 8 x2 1 4 Hex Head Bolt and 3 8 x2T Split Washer which secure Console Mast as shown in figures 1 2 4 Separate Console Mast and Mast C...

Page 11: ...ake apart Front Stabilizer Cover as shown in figure 1 3 Use Phillips head screw driver to release 4x19 Sheet Metal Screws and 5x 16 Tapping Screws which secure left Side Case and take it apart as show...

Page 12: ...5 Disconnect Ground Wire and Controller Connecting Wire from AC power Switch and take right Side Case apart as shown in figures 6 7 6 Reverse above procedures to resume left and right Side Cases reme...

Page 13: ...15mm Hex Head Bolts together with 5 16 x35x1 5T Flat Washers which secure the Cross Bar as shown in figures 1 and 2 3 Use 13mm wrench to loosen M8 x 6 3T nut at outside and use 13mm wrench together wi...

Page 14: ...9T Nyloc Nut on the J Bolt until the Belt can be taken off then use 13mm wrench to release M8x20 Carriage Bolt M8x7T Nyloc Nut and 5 16 x20x1 5T Flat Washer to take Idler Wheel Assembly apart as shown...

Page 15: ...the resistance to 20 with Console and release the steel cable as shown in figure 1 3 Use 15mm wrench to loosen 3 8 UNF26x9T nut which secures the Flywheel on the Mainframe to take apart the Flywheel a...

Page 16: ...necting wire as shown in figures 1 2 2 Use two 14mm and a 12mm wrenches to release 3 8 x1 1 2 Hex Head Bolts 3 8 x19x1 5T Flat Washers 3 8x7T Nyloc Nuts 5 16x2 1 4 Hex Head Bolts 5 16 x1 5T Split Wash...

Page 17: ...s which secure Rear Bar Case Inclinable Rail Cover and Incline Cover as shown in figures 1 2 3 3 Use two 14mm wrenches to release 3 8 x2 1 2 Hex Head Bolts 3 8 x19x1 5T Flat Washers and 3 8 x7T Nyloc...

Page 18: ...elease 3 8 x2 1 2 Hex Head Bolts 3 8 x19x1 5T Flat Washers and 3 8 x7T Nyloc Nuts which secure Incline Motor and Incline Device as shown in figure 6 6 Use Phillips head screw driver to release 5x16 Ta...

Page 19: ...l out Locking Tube Assembly and take apart Rail Assembly as shown in figure 9 8 Release M5x15mm Phillips Head Screw which secure aluminum rail to take the rail apart if necessary as shown in figure 10...

Page 20: ...power switch is turned on as shown in figure 1 2 Then check if the console connectors are properly plugged in as shown in figure 2 3 If necessary replace the fuse of the AC power switch module as sho...

Page 21: ...off center take it apart and resume according to the procedures for replacing chain covers 3 If the round disk swings with too much displacement take apart chain covers and the round disk and use Phi...

Page 22: ...roper steel cable adjustment that causes noise or shifting which caused by improperly assembled Follow procedures for replacing flywheel for steel cable adjustment as shown in figure 1 2 If there is n...

Page 23: ...and the flywheel Then turn the drive pulley with the speed between 100 and 120 rpm with sudden stop If the belt runs normally resume all parts as shown in figure 1 2 If the belt drive pulley and the...

Page 24: ...ant on 25x296L console mast shaft for the handle bar If noises come from 6005 bearing replace the bearing 2 If handlebar button does not function then tear off the sticker and use Phillips head screw...

Page 25: ...other and proper lubrication is important Lubricating with crease as shown in figures 1 2 while maintaining or replacing parts can eliminate potential problems 2 There are many causes for un smoothne...

Page 26: ...fish eye bearing is without damage and tight enough to eliminate noises If necessary use 19mm wrench to replace rod end bearing as shown in figure 3 4 To maintain start from slide wheels by replacing...

Page 27: ...nd Incline Motor Rev 1 2 3 4 Procedures 1 If the incline motor does not function first check the proper connection of the cables then the damage of the incline controller the transformer and the conso...

Page 28: ...s 7 Gear Motor Rev 1 2 3 Procedures 1 If there is no resistance check the if console function properly and if steel cable damaged Use Phillips head screw driver to release 5x19 Tapping Screws to repla...

Page 29: ...rive pulley idler wheel handle bar and console mast shaft flywheel and the steel cable concerning the front portion of the elliptical to the rear portion such as slide wheels and clank axle with wave...

Page 30: ...hing housing 3 8 x2 1 4 Socket Head Cap Screw and 3 8 x11T nut on top must be tight enough as shown in figure 2 with 500 600 lbs of force suggested 4 Cross Bar M8x40m m Socket Head Cap Screw on the cr...

Page 31: ...hence tightening all screws is the first step to fix the problem of play Wearing at the joint and improper installation lead to loose screws Play of the pedal may caused by improper installation of th...

Page 32: ...es 1 Check and make sure that all screws are tight enough if the machine moves un smoothly 2 The un smoothness might be caused by foreign material sticky on the rail or on the slide wheel Wipe with al...

Page 33: ...e Q A Problem 5 Other Problems Rev Procedures 1 Although this manual can not cover all of elliptical problems it describes most of it Whatever the problem occurs fixing the problem is back up by Dyaco...

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