Matrix Fitness Johnny G KRANKcycle Service Manual Download Page 3

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CHAPTER 1: SERIAl NUMbER loCATIoN

..............................................................

CHAPTER 2: IMPoRTANT SAfETy INSTRUCTIoNS

2.1

Read and Save These Instructions ........................................................................... 2

CHAPTER 3: PREVENTATIVE MAINTENANCE

3.1

Preventative Maintenance ......................................................................................... 3

CHAPTER 4: USINg THE KRANKcycle™

4.1

Getting to Know the KRANKcycle™ ......................................................................... 5

4.2

Proper Setup .............................................................................................................. 6

4.3

How to Operate .......................................................................................................... 8

CHAPTER 5: TRoUblESHooTINg

5.1

Troubleshooting - Crank Arms Not Synchronized ..................................................... 9

5.2

Troubleshooting - Excessive Play in Drive Arms ....................................................... 10

5.3

Troubleshooting - Excessive Play in Height Adjustment Lever .................................. 11

5.4

Troubleshooting - Flywheel Resistance Too Hard ..................................................... 14

5.5

Troubleshooting - Upper Drive Chain Making Clicking Noise .................................... 15

5.6

Troubleshooting - Lower Drive Chain Making Clicking Noise .................................... 16

5.7

Troubleshooting - Cycle Difficult to Push When Moving ............................................ 17

5.8

Troubleshooting - Resistance Knob Does Not Rotate Smoothly ............................... 18

CHAPTER 6: PART REPlACEMENT gUIDE

6.1

Crank Arm Replacement ............................................................................................ 19

6.2

Upper Plastic Shroud Replacement ........................................................................... 20

6.3

Lower Plastic Shroud Replacement ........................................................................... 21

6.4

Left Side Chain / Pulley Replacement ....................................................................... 22

6.5

Right Side Chain / Pulley Replacement ..................................................................... 23

6.6

Brake Pad Replacement ............................................................................................ 24

6.7

Height Adjustment Lever Replacement ...................................................................... 25

6.8

Resistance Knob Replacement .................................................................................. 26

6.9

Rotational Handle Replacement ................................................................................ 27

6.10

Rotational Cap Replacement ..................................................................................... 28

6.11

Transport Wheel Replacement .................................................................................. 29

6.12

Crank Handle Replacement ....................................................................................... 30

CHAPTER 7: CyClE SPECIfICATIoNS AND ASSEMbly gUIDE

7.1

KRANKcycle™ Specifications .................................................................................... 31

7.2

Fasteners and Assembly Tools .................................................................................. 32

7.3

Assembly Instructions ................................................................................................ 33

7.4

Leveling the KRANKcycle™....................................................................................... 34

TAblE of CoNTENTS

Summary of Contents for Johnny G KRANKcycle

Page 1: ...S E R V I C E M A N U A l ...

Page 2: ......

Page 3: ... Chain Making Clicking Noise 16 5 7 Troubleshooting Cycle Difficult to Push When Moving 17 5 8 Troubleshooting Resistance Knob Does Not Rotate Smoothly 18 CHAPTER 6 PART REPLACEMENT GUIDE 6 1 Crank Arm Replacement 19 6 2 Upper Plastic Shroud Replacement 20 6 3 Lower Plastic Shroud Replacement 21 6 4 Left Side Chain Pulley Replacement 22 6 5 Right Side Chain Pulley Replacement 23 6 6 Brake Pad Repl...

Page 4: ...1 1 1 Serial Number Location Chapter 1 Serial number location ...

Page 5: ...ems exercise equipment be informed of the following information prior to its use Do not use the equipment in any way other than designed or intended by the manufacturer It is imperative that all Matrix Fitness Systems equipment is used properly to avoid injury Keep the KRANKcycle indoors away from moisture and dust Do not place the KRANKcycle in a garage or covered patio or near water Place the KR...

Page 6: ...int free cloth and thoroughly clean the frame crank handles adjustment knobs and levers seat flywheel baseplate and plastic covers 2 Frequently vacuum the floor beneath the unit to prevent the accumulation of dust and dirt which can affect the smooth operation of the unit 3 Check the regular functions of the cycle and consult Chapter 5 for troubleshooting of any existing problems MONTHLY MAINTENAN...

Page 7: ...ove the upper outside plastic cover by removing 5 socket head cap screws with a 3mm Allen wrench Then remove both of the lower plastic covers by removing 9 socket head cap screws with a 3mm Allen wrench and a 5mm Allen wrench b Thoroughly wipe down around all internal components and look for signs of excessive wear or damage c Lubricate both upper and lower drive chains with 3 IN ONE oil Clean exc...

Page 8: ...5 Chapter 4 USING THE KRANKcycle 4 1 Getting to know the krankcycle ...

Page 9: ...rently CRANK HEIGHT ADJUSTMENT While seated on the KRANKcycle grab the upper crank axle with both hands press the height adjustment lever towards the outer edge of the crank axle lifting or lowering the crank axis until it is in line with the center of the chest Release the lever to lock into position Crank handles should not hit the thigh when rotated WARNING Make sure the height adjustment mecha...

Page 10: ...the furthest position away from the body To Krank while standing first remove the seat and set aside Stand with your back straight and your feet shoulder width apart Position yourself so there is a slight bend in the elbow when the crank arm is in the furthest position away from the body Adjust the crank height if necessary Chapter 4 USING THE KRANKcycle ...

Page 11: ...ill continue to move even after you stop Kranking Always Krank in a controlled manner and adjust your desired cadence and resistance according to your own abilities CHANGE CRANK ARM DIRECTION To bring Kranking direction from forward to reverse bring the crank arms to the top position release the rotation lever turn the drive frame 180 degrees and lock the rotation lever back into place toward the ...

Page 12: ...emselves back to the lowest rest position Raise the crank arms so the crank handles are level Loosen do not remove the 5 socket head cap screws B on the Right crank arm with a 4mm Allen wrench Adjust the position of the screws within the slots until both crank handles are level and then tighten Make sure all screws are tight or the crank handle may slip out of synchronization again ...

Page 13: ...do not remove the upper set screw B on the upright frame with a 3mm Allen wrench 3 Replace the rotation lever and release the rotation cam mechanism C Rotate the cam plate D counterclockwise 1 8 of a turn and then engage the rotation cam mechanism Repeat until the upper drive arm is held rigidly without play The rotation lever should require a firm force to fully engage If the rotation lever is to...

Page 14: ...e next steps 2 Remove the right crank arm by removing 5 socket head cap screws with a 4mm Allen wrench then remove the upper outside plastic cover by removing 5 socket head cap screws with a 3mm Allen wrench 3 Check the cable and cable sheath A for excessive wear replace if necessary If the lever still exhibits excessive play tighten the adjustment screw B clockwise until play is removed Be carefu...

Page 15: ...ned in Sections 6 2 and 6 3 b Remove the pivot handle and resistance knob as outlined in Sections 6 7 and 6 8 c Remove the 4 screws holding the pivot handle shroud in place Figures A B d Remove the pivot handle shroud Figure C e Re install the upper shroud screw so that the pivot handle cable is stationary against the frame Figure D 5 3 Troubleshooting Excessive play in height adjustment lever Con...

Page 16: ...able is correctly attached re install the pivot handle Figure F and test the rotation before installing the shrouds to make sure that the tension on the pivot handle is correct 9 Once the pivot handle cable is connected correctly remove the pivot handle and re install the pivot handle shroud and the other shrouds 10 Once all of the shrouds are re installed re install the pivot handle and the tensi...

Page 17: ... with a 3mm Allen wrench 2 Loosen do not remove the brake cable screw C and turn the resistance knob toward the sign as far as it will go minimum braking affect Then turn the knob toward the sign 1 full revolution Make sure the brake pad is pressed against the flywheel and then secure the brake cable under the brake cable screw C Turn the resistance knob toward the sign as far as it will go The br...

Page 18: ...e replaced if it has stretched too far Follow the next steps to check for excessive chain wear or stretch If the chain needs to be replaced contact Matrix customer service 2 Remove the Right crank arm by removing 5 socket head cap screws with a 4mm Allen wrench then remove the upper outside plastic cover by removing 5 socket head cap screws with a 3mm Allen wrench 3 If the chain is rubbing on the ...

Page 19: ...chain tensioning devices but the chain may need to be replaced if it has stretched too far Follow the next steps to check for excessive chain wear or stretch 2 Remove both of the lower plastic covers by removing 9 socket head cap screws with a 3mm Allen wrench and a 5mm Allen wrench 3 If the chin is rubbing on the inside covers or exhibits too much play around the sprockets the chain should be rep...

Page 20: ...le difficult to push when moving cycle difficult to push when moving 1 The front rolling wheels may need lubrication Remove both wheels by unscrewing the nut and bolt Lubricate the outside of the steel axle tube A Replace both wheels using a 10mm wrench ...

Page 21: ...ly Resistance knob does not rotate smoothly 1 The resistance cable mechanism may need lubrication Remove the resistance knob by removing the 1 socket head cap screw with a 4mm Allen wrench Lubricate the cable mechanism B through the opening in the plastic cover Replace the resistance knob ...

Page 22: ...ove the crank arm Figure B 3 Reverse Steps 1 2 to install a new crank arm NOTE Be sure that the spacer ring is reinstalled on the left side crank Figure C NOTE Follow the procedure outlined in Section 5 1 if the arms are not synchronized Figure A Figure B chapter 6 part replacement guide Figure C ...

Page 23: ... crank as outlined in Section 6 1 2 Remove the 5 screws attaching the upper plastic shroud to the frame Figure A 3 Remove the upper plastic shroud Figure B 4 Reverse Steps 1 3 to install a new upper plastic shroud Figure A Figure B Chapter 6 Part Replacement Guide ...

Page 24: ...ection 6 2 3 Use a 3mm Allen wrench to remove the 6 screws holding the shrouds together Figure A 4 Use a 5 mm Allen wrench to remove the 3 screws holding the shrouds to the frame Figure B 5 Remove both lower plastic shrouds Figure C 6 Reverse Steps 1 5 to install new lower plastic shrouds Figure A Figure B Figure C Chapter 6 Part Replacement Guide ...

Page 25: ...the drive assembly towards the seat until the hole in the drive shaft aligns with the hole in the front of the frame Figure A 5 Insert a piece of hardened metal into the hole in the frame drive shaft to prevent the drive shaft from turning Figure B 6 Rotate the fly wheel forward and the left side pulley chain will come off of the drive assembly Figure C D 7 Reverse Steps 1 6 to install a new left ...

Page 26: ... shrouds as outlined in Section 6 3 4 Locate the hole in the frame around the small drive pulley on the right side of the KRANKcycle Figure A 5 Install a long M8 screw into the hole to prevent the pulley from turning Figure B 6 Turn the fly wheel forward to turn off the pulley Figure C 7 Remove the chain and pulley Figure D 8 Reverse Steps 1 7 to install a new right side chain pulley Figure A Figu...

Page 27: ...A 2 Remove the brake assembly Figure B NOTE Be careful not to lose the rubber washers installed on the brake frame Figure C 3 Reverse Steps 1 2 to install a new brake pad assembly NOTE Be sure to re install the rubber washers 4 Test the cycle resistance Perform the procedure in Section 5 4 if adjustment is needed Figure A Figure B Figure C ...

Page 28: ...ft side crank arm as outlined in Section 6 1 2 Remove the 2 screws going up through the height adjustment lever into the frame Figure A 3 Swivel the height adjustment lever to the left and off of the unit Figure B 4 Reverse Steps 1 3 to install a new height adjustment lever Figure A Figure B ...

Page 29: ... 1 Remove the screw holding the resistance knob to the frame Figure A 2 Remove the resistance knob Figure B 3 Reverse Steps 1 2 to install a resistance knob 6 8 RESISTANCE KNOB replacement Chapter 6 Part Replacement Guide ...

Page 30: ... replacement Chapter 6 Part Replacement Guide Figure A Figure B 1 Remove the screw holding the rotational handle in place Figure A 2 Remove the rotational handle Figure B 3 Reverse Steps 1 2 to install a new rotational handle ...

Page 31: ...ational handle as outlined in Section 6 9 2 Remove the screw going through the top of the rotational cap Figure A 3 Remove the rotational cap Figure B 4 Reverse Steps 1 3 to install a new rotational cap Figure A Figure B Chapter 6 Part Replacement Guide ...

Page 32: ...replacement 1 Remove the screw nut holding the transport wheel to the frame Figure A 2 Remove the transport wheel Figure B 3 Reverse Steps 1 2 to install a new transport wheel Figure A Figure B Chapter 6 Part Replacement Guide ...

Page 33: ...cement 1 Use a 15mm wrench to turn the crank handle off of the crank arm Figure A NOTE The left hand crank handle is reversed threaded Turns clockwise to remove 2 Remove the crank handle Figure B 3 Reverse Steps 1 2 to install new crank handles Figure A Figure B ...

Page 34: ...se in training areas of commercial facilities such as Fitness Clubs or Sport Associations where access and control is regulated by the person who has legal responsibility SPECIFICATIONS Foot Print 56 5 L x 26 8 W x 41 5 H 1 44m L x 0 68m W x 1 06m H Weight of bike 142 4 lbs 64 6 kg Saddle Height 24 3 0 62m Maximum Crank Arm Height 53 5 1 36m Maximum User Weight 340 lbs 154 kg The KRANKcycle is des...

Page 35: ...es 4 1 Flat Washer M10 Black 4 2 Socket Head Cap Screw M10 x 25 Black 10 3 Phillips Head Screw M4 x 8 Red 2 4 Socket Head Cap Screw M5 x 20 1 8mm Allen Wrench 1 4mm Allen Wrench 1 Phillips Head Screwdriver 1 15mm Open Wrench Chapter 7 Cycle Specifications and Assembly Guide ...

Page 36: ...e hardware package for completeness Contact your local distributor or contact Matrix customer service to report any missing items Place the DRIVE FRAME onto the BASE FRAME so the bolt holes line up IMPORTANT Due to the size and weight of the drive frame the manufacturer recommends using two people to lift and place the drive frame on the base Chapter 7 Cycle Specifications and Assembly Guide ...

Page 37: ...3 Assembly Instructions Continued Attach the DRIVE FRAME to the BASE FRAME using an 8mm ALLEN WRENCH and item 1 FLAT WASHER and item 2 SOCKET HEAD CAP SCREW Chapter 7 Cycle Specifications and Assembly Guide ...

Page 38: ...35 7 3 Assembly Instructions Continued Place the SMALL BASE PLATE FRONT COVER and the LARGE MAIN BASE PLATE on the metal frame Chapter 7 Cycle Specifications and Assembly Guide ...

Page 39: ...6 7 3 Assembly Instructions Continued Secure the BASE PLATE to the BASE FRAME from step 3 with item 3 PHILLIPS HEAD SCREW and PHILLIPS HEAD SCREW DRIVER Chapter 7 Cycle Specifications and Assembly Guide ...

Page 40: ...INSTRUCTIONS CONTINUED Attach the LEFT HANDLE to the LEFT CRANK ARM and the RIGHT HANDLE to the RIGHT CRANK ARM Please note that the LEFT HANDLE has a left hand thread Chapter 7 Cycle Specifications and Assembly Guide ...

Page 41: ...38 7 3 assembly instructions continued Secure the HANDLES tightly to the CRANK ARMS using a 15mm WRENCH Chapter 7 Cycle Specifications and Assembly Guide ...

Page 42: ... Attach the WATER BOTTLE CAGE to the CENTER UPRIGHT FRAME with a 4mm ALLEN WRENCH using item 4 SOCKET HEAD CAP SCREWS Chapter 7 Cycle Specifications and Assembly Guide 7 3 assembly instructions continued ...

Page 43: ... Assembly Guide 7 3 assembly instructions continued Attach the SEAT to the UPRIGHT FRAME by securely placing the SEAT HOOKS around the PROTRUDING PINS WARNING Make sure that the seat hooks are fully engaged around the protruding center pin ...

Page 44: ...g or rocking indicates that your cycle needs to be leveled Determine which leveler is not resting completely on the floor Turn the leveler until the rocking motion is eliminated IMPORTANT Do not screw the leveling feet out more than 1 2 inch WARNING The KRANKcycle should be installed on a stable base and properly leveled before use Chapter 7 Cycle Specifications and Assembly Guide ...

Page 45: ...42 NOTES ...

Page 46: ...43 MATrix Fitness systems corp 1610 Landmark Drive Cottage Grove wi 53527 USA TOLL FREE 866 693 4863 www matrixfitness com FAX 608 839 1717 KO REV 1 ...

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