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Z1

Wedge

ext.

Preload

INSTRUCTIONS

GENERAL RULES

1. Where specified, assemble and disas-

semble the shock absorption system us-
ing the 

M

ARZOCCHI

 

special tools only.

2. On reassembling the suspension system,

always use new seals.

3. Clean all metal parts with a special,

preferably biodegradable solvent, such
as trichloroethane or trichloroethylene.

4. Before reassembling, lubricate all parts

in contact with each other using silicone
fat spray or a specific oil for seals.

5. Always grease the lip seal rings before

reassembling.

6. Use wrenches with metric size only.

Wrenches with inch size might damage
the fastening devices even when their
size is similar to that of the wrenches in
metric size.

Summary of Contents for MXC Coil ext. Preload

Page 1: ...arts with a special preferably biodegradable solvent such as trichloroethane or trichloroethylene 4 Before reassembling lubricate all parts in contact with each other using silicone fat spray or a specific oil for seals 5 Always grease the lip seal rings before reassembling 6 Use wrenches with metric size only Wrenches with inch size might damage the fastening devices even when their size is simil...

Page 2: ...Replace crown stanchions assembly oil seals and dust seals 3 Clean the oil seal seat and replace oil seal Fork has not been used for some time and is locked out Oil seals and dust seals tend to stick to stanchions Raise dust seal and lubricate stanchion tube dust seal and oil seal Excessive play of stanchions in the sliders Pilot bushings are worn Replace pilot bushings FAILURES CAUSES REMEDIES Fo...

Page 3: ...ent must be carried out in compliance with the headset manufacturer s instructions Improper in stallation may jeopardize the safety of the rider To replace it contact one of our Technical Service Centers with the required tools WARNING In case of improper installation of the steer tube into the crown the rider might lose control of his herbicycle thusjeopardizinghis hersafety DISC BRAKE SYSTEM ASS...

Page 4: ...torque see section REASSEM BLY Fig 24 IMPORTANT Do not remove the springs or this will alter the amount of oil inside the fork legs ADJUSTMENT SPRING PRELOAD SpringpreloaddeterminesCOMPRESSION damping and is adjusted by turning the adjustment knob 3 on the top of the fork legs From the factory the fork is set at minimum preload i e the adjustment knob completely unscrewed counterclockwise However ...

Page 5: ...move in the diagram then look at the arrows to determine which other parts you need to remove first DISASSEMBLY DIAGRAM FORK LEG OIL CHANGE PUMPING ROD CHANGE FOOT NUT FIG 3 SPRING FIG 2 DUST SEAL FIG 5 STOP RING 6 OIL SEAL FIG 7 PUMPING ROD FIG 10 REBOUND SPRING FIG 10 VALVE ASSEMBLY CHANGE PILOT BUSHING AND SEAL ASSEMBLY CHANGE STANCHION TUBE CAP FIG 1 FOOT BUFFER FIG 10 CROWN AND STANCHIONS ASS...

Page 6: ...ve the lower washer 33 and the spring 8 from each fork leg Drain all oil from the fork legs WARNING Remember to always recycle any used oil To change the fork leg oil follow the proce dure as described in section REASSEM BLY from Fig 22 to Fig 24 PILOT BUSHING AND SEAL ASSEMBLY CHANGE FIG 3 Turn the fork leg upside down and unscrew the foot nuts 22 by the use of a 15 mm socket wrench 4 5 8 33 22 ...

Page 7: ...20 FIG 5 Remove the dust seal 15 from the top of the sliders using a small screwdriver FIG 6 Remove the stop ring 16 from the sliders by placing the screwdriver bit in one of the three openings on the stop ring IMPORTANT when removing the stop ring make sure not to damage its seat 1 20 15 16 ...

Page 8: ...NT when removing the oil seal make sure not to damage its seat Once removed the oil seals should not be used again FIG 8 Remove the upper washer 18 from the slider FIG 9 Fit the bit of a small screwdriver into upper edge slot of the pilot bushing 19 and lift gently Pull the bushing out of the slider and make all necessary changes 17 A 18 19 ...

Page 9: ...the top Replace the seal ring 9 if damaged or worn out VALVE ASSEMBLY CHANGE FIG 11 To check that the valve assembly is operat ing correctly it is necessary to work on the inside of the stanchion tube Slip off the stop ring 13 using pointed pliers Pull the valve assembly out of the stanchion with one finger in the following order pocket 30 valve 29 and washer 12 9 11 14 27 10 13 12 29 30 ...

Page 10: ...FIG 12 Check that no dirt or debris is between slider and bushing Insert the pilot bushing 19 into place so that it adheres to the slider FIG 13 Fit the upper washer 18 into the slider so that it touches the pilot bushing FIG 14 Lubricate the oil seal 17 and place it onto the seal press B with the hollow side toward the slider Press the oil seal until it touches the lower washer by using the above...

Page 11: ...eals 15 and fit them into the stanchions from the spring end VALVE AND PUMPING ROD ASSEMBLY FIG 17 After having overhauled or replaced the valve unit and after having cleaned the inside of the tube reassemble Assemble valve components in correct sequence washer 12 valve 29 and pocket 30 Then fit pumping rod 10 with seal ring 9 and rebound spring 11 into the valve assembly 16 15 10 12 29 30 11 9 ...

Page 12: ...aling surfaces keep the stanchions duly lubricated and squared into the sliders Press the crown and stanchions assembly fully down and check that threaded ends of pumping elements 10 are coming out through the bottom of the sliders Check to see that the stanchions slide unre stricted by cycling the fork up and down several times The tube should slide freely inside the seal assembly without any sid...

Page 13: ... by pumping them up and down several times HOW TO FILL WITH OIL FIG 22 Pour oil little by little when the stanchions are fully down and then pump with the crown so as to have a better filling Check that the oil level H is as required in both legs SPRING AND CAP FIG 23 Fit the spring 8 and lower washer 33 into each stanchion tube 22 Nm 11 H Travel mm H mm 110 60 130 60 8 33 ...

Page 14: ...Turn the preload adjuster 31 counter clockwise until it is at its minimum setting see section ADJUSTMENT Start the complete cap assembly into the stanchion tube thread by hand Tighten the cap 4 to 20 Nm Set spring preload as specified in section ADJUSTMENT 4 5 Nm 20 ...

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