Home Cycle Maintenance Guide
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Transcript of Home Cycle Maintenance Guide
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Homecyclemaintenan
ceguide
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2
Contents
:puncture
How to x a
in7 simple steps
&
re-lubing
Cleaning
the drive chainin 4 simple steps
Gearin 4 simple steps
setup
Brakein 4 simple steps
setup
4-7
8-9
10-11
12-13
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Recommended tool kit
OilChain Checker
De-greaser(To be use with the chain cleaner)
Cross head
screw driver
Allen keys
(A small set to carry withyou and a large set with
ball ends or home use)
Chain cleaner
Tyre levers(At least two)
3
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puncture
4
Release the brakes:
Road Bikes
Mountain & Hybrid Bikes
Undoing the brakes
1
How to x a
in
7 simple steps
Twist the littlelever clockwise
Attached
Released
Move the rubber cover
over to the right
Pull the noodle out o
the cradle... ...as demonstrated
above
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Remove wheel:
Remove tyre:
2
3
To make rear wheel removal
easier place the chain intothe highest gear (smallest cog)
on the cassette
Well o rim
Pushing the tyre into the centre
o the rim
The tyre can be easily removed by using the Well o the rim a rim is concaved
in prole, which results in a small circumerence in the centre o the rim
compared to the edge (where the tyre will normally sit). Pushing one side into the
well reduces the tension between the tyre and rim, making tyre lever use easier.
Use one lever to start, letting the
hook section hold on to a spoke,
then using the second with
controlled orce, slowly slide
round the rest o the rim to unseatthe rest o the tyre.
5
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6
Check or cause:
Reinstall the tyre:
4
6
Check rim tape is seated correctly
5
Incorrect
Correct
Careully explore the tyre checking or anything that may have caused a
puncture, this could be a piece o glass, a thorn, damaged tyres or even the tube
getting pinched (aka snake bite).
Remove any object that may have caused the puncture (there may not actually be
anything!), i the tyre is badly damaged then a new one should be installed.
Reseating the tyre is easy i you ollow
the below instructions:
I. Place one side o the tyre on the rim rst
II. Inate the tube so that it holds some shape, but does not expand
III. Put the valve through the valve hole
IV. Seat the tube into the tyre rom the side that has not been placed on the rim
V. Start installing the other side o the tyre rom the valve
VI. When it starts to get tight, go back to the valve and push the tyre into the Well
VII. Then roll the last section on with your palms around the tyreDO NOT USE TYRE LEVERS
VIII. Check that the tube has not been pinched by the tyre
Align the valve
with the logo
Check the rotatingdirection is correct
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Reinstall the wheel:
7
When reinstalling the wheel it is important to get the axle seated correctly in the
drop outs (orks or rame), this can be achieved by pulling the wheel up then
tightening the quick release. Once this is done, reattach the brakes, then do a spin
test to see i the wheel is located in the correct place. ie. Shouldnt rub on pads.
IX. Inate to 20psi, then check the seating
X. Once the seating is correct inate to the recommended pressure(this will be ound embossed in the rubber o the side wall, like the rotation direction)
This line should be the same distance
rom the rim all the way round the wheelNot disappearing under
the rim like this one
7
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&re-lubing
8
Clean the drive chain using a tool such as
the Park Chain Cleaner
Examine or damage/wear:
1
2
Cleaning
the drive chainin 4 simple steps
Beore using the chain cleaner you must
rst ll it with a suitable degreaser
A visual inspection is required to see i the chain rings/cassette is
worn, the at section o the tooth should look like the picture below.
The shape o the tooth on the right indicates
that it is airly worn, however there is a more
ool proo and cheap way o checking, Park
make a simple Chain Checker tool.
And not like...
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Check alignment o Rear Derailleur:3
Parks Chain Checker tool in action:
A visual check o the rear derailleur alignment now needs to be completed,
the jockey wheels (small cogs on the rear derailleur) need to be in line with the
cassette when viewed rom behind:
A worn chain The tool drops in the
chain, this means that it is time or a
service at one o our stores.
An unworn chain The tool sits proud o
the chain. With cleaning and re-lubing
your chain will stay like this or longer.
Hanger
Lubrication:4Ater cleaning and checking/aligning the next step is lubricating. This is vital
to stop any rusting and reduce the wear on the chain, reducing the requency
and cost o ull servicing. You must clean the chain rst, otherwise it is a bit like
using deodorant without washing, smells ok or a bit but it really stinks quickly!
With the bike stationary, cycle the pedals backwards dripping the oil onto the
chain, complete 3 chain revolutions, then leave or 1 hour (this allows the lube to
penetrate the chain). Reapply the same amount o oil by the same method ater
the hour, then use a cloth to wipe of excess oil.
The bike is now ready to ride.
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Gear
10
Location o Barrel adjuster:
The eect they have:
1
2
in 4 simple stepssetup
Turn the adjuster on the derailleur,shiter or down tube clockwise
and the derailleur will move to the
right (into a smaller cog) helping i
shiting up a gear is sticky.
Turn the adjuster on the derailleur,shiter or down tube anti-clockwise
and the derailleur will move to the let
(into a bigger cog) helping i shiting
down a gear i s sticky.
Barrel adjusters allow the user to increase or decrease the tension onthe gear cables, thus changing the alignment o the rear derailleur
with the cassette and changing the way it shits gear.
The barrel adjusters are on the gearing system to provide a quick and
easy way to x shiting problems.
Road Bikes Mountain & Hybrid Bikes
(when viewed rom behind)
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Indexing:3
With the derailleur in this position
on the outer (largest) chain ring
the rider will be able to use thehighest gear (smallest cog) on the
cassette.
With the derailleur in this position on theouter (largest) chain ring the rider will be
able to use the lowest gear (largest cog) on
the cassette.
Trim/micro shit:4 Road bikes with double rings at the ront have an extra amount o adjustment,the ront derailleu r/shiter i s able to have two positions per chainring (a total o4 possible positions), this is to allow the rider to use all o the cassette without
incurring chain rub on the ront derailleur (see below).
Indexing is getting the shi ter to correspond with the selected gear, i.e. 1
on the shiter equals 1 on the cassette.
Using the barrel adjuster the whole o the gearing range should index
accordingly, with 1=1 2=2 3=3 4=4, and so on.The shit should also be smooth, when you change the gear rom 1 to 2 the
chain should glide efortlessly rom the largest cog to the 2nd largest cog on
the cassette.
Use the barrel adjuster to get this perect, then shit all the way up the gears,
one click at a time, and then all the way down the gears one click at a ti me
this should be smooth and exact .
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Brake
Location o Barrel adjuster:
Centering brakes:
1
2
in 4 simple stepssetup
Using the screws on the brake arms
(spring tension screws) you can increasethe tension on the spring or that side,
making the arm move away rom the rim.
Barrel adjusters on brakes do the same thing as gears increaseor decrease the cable tension; this results in a change o distance
between the brake pad and the rim surace, the efect or the user will
be a change in the biting point during the brake lever stroke.
Basically the more tension you have the sooner the lever gets hard to
pull, the lower the tension the urther the lever travels beore you get
any braking power, in extreme cases this can result in the lever hitting
the bar and no braking power transerred to the wheel.
12
Most road
bikes
have sel-centering
calipers.
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Pad placement :
You should aim or the
bite point to be here:
The barrel adjuster should be tweaked
(turned anti-clockwi se) i the bite point is here:
When you should use the barrel adjuster:
4As explained on page 12 the barrel adjuster should only be used when the lever
has excessive pull. By unscrewing the barrel adjuster the pad will hit the rim
sooner in the lever stroke making the brake tighter.
Once centred, the pad alignment needs to be
set so that when pulled the brake pads hit the rim square and do not touch the tyre,
there is a picture o this below:
Bad
Good
3
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bike servicing
Additional
www.evanscycles.com/servicing
We ofer two maincategories o service:Stage 1 and a stage 2...
Astage 1 service is a generala check-over or your bike
and is recommended to be
carried out every 3-9 months*.Astage 2 service is a completeoverhaul and involves
stripping your bike down to
the rame and its components.
This is recommended to
be carried out every 12-18
months*. We also carry out
suspension servicing which
we recommend every 3-12
months*. In addition we oer
a ull range o other servicing
rom wheel building to
repairing a puncture or ftting
a light set. *Recommendations
dependent on use.
14
Our workshops are ully equipped to carry out all
necessary repairs and have between two and eight
qualied mechanics per store, dependent on size. All o
our mechanics undergo regular assessment, are trained
to the highest standards in the industry and receive
ormal external recognition with Cytech qualications.
We are the only cycle retailer that has its own dedicated
ull-time mechanic trainer and in-house training
acility. This enables us to ensure that our mechanicsmaintain the high standards we set.
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NOTES :
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