HM Bike DHM, Руководство пользователя

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Technology
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5. Troubleshooting chart
After completion of steps 1 - 4, move the shifting lever to check the shifting. (This also applies if
shifting becomes difficult during use.)
If the chain falls to the crank side. Tighten the top adjustment screw clockwise
(about 1/4 turn).
If shifting is difficult from the intermediate
chainring to the largest chainring.
Loosen the top adjustment screw counterclock-
wise (about 1/8 turn).
If shifting is difficult from the intermediate
chainring to the smallest chainring.
Loosen the low adjustment screw counterclock-
wise (about 1/4 turn).
If there is interference between the chain and
the front derailleur inner plate at the largest
chainring.
Tighten the top adjustment screw clockwise
(about 1/8 turn).
If there is interference between the chain and
the front derailleur outer plate at the largest
chainring.
Loosen the top adjustment screw counterclock-
wise (about 1/8 turn).
If the intermediate chainring is skipped when
shifting from the largest chainring.
Loosen the outer casing adjustment barrel
counterclockwise (1 or 2 turns).
If there is interference between the chain
and front derailleur inner plate when the rear
sprocket is shifted to the largest sprocket when
the chainwheel is at the intermediate chainring
position.
Tighten the outer casing adjustment barrel
clockwise (1 or 2 turns).
If the chain falls to the bottom bracket side. Tighten the low adjustment screw clockwise
(about 1/2 turn).
If the lever is stiff when shifting from the inter-
mediate chainring to the largest chainring
Loosen the top adjustment screw counterclock-
wise (about 1/4 turn).
General Safety Information
WARNING
Check that the wheels are fastened securely before riding the bicycle. If the wheels are loose in •
any way, they may come off thebicycle and serious injury may result.
Use neutral detergent to clean the chain. Do not use alkali-based or acid based detergent such as •
rust cleaners as it may result in damage and/or failure of the chain.
Use the reinforced connecting pin only for connecting the narrow type of chain. •
There are two different types of reinforced connecting pins available. Be sure to check the table •
below before selecting which pin to use.
If connecting pins other than reinforced
connecting pins are used, or if a reinforced
connecting pin or tool which is not suitable
for the type of chain is used, sufficient con -
nection force may not be obtained, which
could cause the chain to break or fall off.
If it is necessary to adjust the length of the •
chain due to a change in the number of
sprocket teeth, make the cut at some other
place than the place where the chain has
been joined using a reinforced connecting
pin or an end pin. The chain will be damaged if it is cut at a place where it has been joined with a
reinforced connecting pin or an end pin.
Check that the tension of the chain is correct and that the chain is not damaged. If the tension is •
too weak or the chain is damaged, the chain should be replaced. If this is not done, the chain may
break and cause serious injury.
Use a front chainwheel which is compatible with 9-speed chains in conjunction with Shimano •
CN-7701, CN-HG93 and CN-HG73 chains. If a chainwheel for an 8-speed chain or less is used,
front chainwheel gear shifting problems may occur, or the chain pins might fall out, causing the
chain to break.
Obtain and read the service instructions carefully prior to installing the parts. Loose, worn, or da- •
maged parts may cause injury to the rider. We strongly recommend only using genuine Shimano
replacement parts.
Read these Technical Service Instructions carefully, and keep them in a safe place for later •
reference.