Mountain-Bike Manutenzione

        

MTB MAINTENANCE
BREAKS CHAIN AND GEAR CHASSIS DISK BREAKS HANDLEBAR PEDAL

SADDLE

 SUSPENSION TIRES WHEELS
CHAIN AND GEAR 
CLEANING - GREASING
It 's the part that transmits motion.
It is usually prescribed to replace every 1 / 2 years and not more than 3500 km driven.
Must still be checked periodically the proper tension.
Periodically and especially when on the spools, rings, chain has accumulated filth is good to make a transaction
Cleaning and lubrication.
Cleaning coils, rings and chain must be done possibly with the view that diesel oil is definitely his property
Best of the gasoline that is cleaning it but far too dry.
Any residue can be removed with wedges of wood or material not too hard so as not to affect disastrously bobbins crowns and chain
So that during cleaning can be exercised sufficient cleaning power is desirable to use a brush with short bristles
Once the first phase of cleaning and making sure dell''assenza of any residual dirt in the Crowns Reels
Chain and derailleur return, you may want to start lubrication.
Oils should be used for the appropriate chains or moving parts made of Teflon, which are available at any sports shop.
Never use the fat per se is too strong and thus prevents a good smoothness and also has a strong power at its expense attractive in the dirt.
Once deployed the oil in several sections of the coils of the crown and the chain will be very auspicious to perform a little turn in the saddle running
the commutation of all the crowns and all the spools in order to distribute the oil on all surfaces and within the chain links.
BREAKING
IIn case of failure, the chain can be repaired quickly
 Using dell''apricatena you must open a pin of a mesh, without removing it completely, just enough to remove the link.
Then the mesh should be removed indicted
Always with apricatena slips back pin carefully closing the chain
The chain will now obviously shorter but usually up to a maximum of 3 links is not necessary to replace
 
 
Annually or after a continuous succession of releases on rough uneven terrain, it is desirable to verify the uniformity of tension
rays. Possibly act on the insert located close to the circle
 
SHOE BREAKS  
ADJUSTEMENT
Normally before any output must be checked and if necessary adjust the two blocks in front and rear brakes to respect the positions of the shoes with the circle as shown in the figure below.
Important in the regulation is:
Observe the angle of the shoe to be positioned closer to the circle in his front
Align the brake pad to the surface of the rim should be as focused as possible
Parallelism between shoe and rim
Finally ensure better tightening
After adjusting brakes is a good rule to verify that the front wheel sliding and complete rotation in the Rear to be sure that there is some friction between the shoes and wheels

Allineamento Zoccolo Freno-Cerchio
Before every ride you should also check the prompt response of the two brake levers, which will have an immediate response and should not
This to prevent that the response of the braking is immediate and ready at all times.
If it is not so you must act on the two settings are in proximity to the two brake levers. In the case of a delayed response should be tighten the brake cable or vice versa. (See figure below)
Leva Freni
In case you can not get the right tension, we must:
 Checking whether the symmetry of the arches. The asymmetry is evident with a difference of distance different shoe circle between the left and right shoe
Tighten the brake cable acting on the end of the cable at the arches
                                                                       
Disc brakes do not require high maintenance but that part of any security of Mountain Bike you will be particularly care to ensure its optimum efficiency.
Periodically need to clean the brake caliper using material degreasing
Clean moving parts with particular care
Grease finally moving parts
Freni a Disco Freni a Disco
Should be periodically verified that the clearance between the inside of the disc and the outer will be minimal (<1 mm approximately). The settings of the linkage are identical to those of brake shoe.

 

HANDLEBAR
And 'desirable to periodically check the proper tightening all screws located on the handlebars, especially if they are warned
 jerks on the handle during use 
 
PEDAL  
And 'desirable to periodically check the proper tightening of two bolts that fasten the pedals to its support.
Thorough cleaning and proper oiling of the springs and levers cranks to ensure easy insertion and off the shoes from cranks. Possibly act in Brucoli wrench in the adjusting screws to get a easy action to connect / disconnect
 
And 'desirable to periodically check the good condition of the tires especially on the sides as often in deteriorating because of friction with shoes and because of the innumerable demands on uneven terrain.
Where the Mountain Bike is left idle during the winter especially at temperatures below 0 ° C is desirable jacking up the tires
 
 
And'desirable to periodically check the proper tightening of all screws located on the underside of the saddle and also verify the correct inclination of the seat. If work on setting located under the seat
 
 
After each issue especially when it is desirable locations decidedly dirty clean the suspensions mainly in the next to the seal.
After cleaning it is important to sprinkle the mobile part of the shock absorbers to work with special oils and the shock to sprinkle evenly.
If hearing protection is good to keep them clean and free of dirt and periodically sprinkle of special substances which prevent deterioration.
If elastomer Suspension, will periodically provide for disassembly of internal elastomers, their cleaning and oiling with special oils.
In the case of hydraulic suspension to periodically check the air pressure of the two chambers Positive and Negative
Below is a table of pressure chamber according to the weight of the Biker
Tabella Regolazione Ammortizzatore

 

And 'desirable control after about one year, very accurate, all points of union of the various different components of the frame, such as welding, Dinghies, riveting, Etc.
They should be absolutely free of micro cracks, cracks or breaks more apparent. 

 

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