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Suunto ACW
Service Manual
2. GENERAL PROCEDURES
2.1. MAINTENANCE SCHEDULE
Do not open any seals if not necessary. After
opening a seal always replace the O-ring.
Battery replacement is necessary when the
battery symbol is permanently displayed. The
battery symbol indicates that the battery power is
getting too low to ensure reliable operation of the
unit. If the unit is stored or exposed to low
temperatures (particularly below freezing point)
for a period of time, the battery warning may be
displayed although it may have enough capacity
for extended use in warmer conditions. Also, an
internal oxidation of the battery may cause the
battery warning (blinking Err) even though the
battery has enough capacity. In this case repeat
the battery check procedure by reactivating the
Dive Mode
The push-buttons and protective seals must be
replaced if the operation of the push-buttons is
stiff or rigid or a damage is detected. Replace the
pushbuttons every two to five years, depending on
the use of the buttons and to ensure the water
resistance of the device.
The bracelet or strap and the buckle must be
replaced, if there is damage that may impair their
durability. The spring bars holding the bracelet
or strap and the buckle should be replaced every
two to three years or after 500 dives, and every
time they have been damaged or their spring force
has been reduced. It is important to check the
bracelet, strap, buckle and spring bars for damage
as their breakage may cause the product to be lost.
The mineral crystal of the display should be
replaced, if scratches, cracks or other such
damage that may impair its durability is detected.
The mineral crystal must be checked for leaks, as
moisture inside the device will seriously damage
the unit.
Damaged or faulty parts may
seriously damage the product or the product
may get lost.
Version 2/2000, 14.8.2000
2.2. HANDLING AND STORAGE OF
THE SPARE PARTS
To maximize battery life, special precautions
should be taken during the handling and storage
of batteries to prevent them from shorting out.
When handling a battery do not make contact with
both of the poles (+ and -) at the same time as this
can short out the battery.
When storing batteries do not allow the batteries
to make contact with other batteries as this can
also cause them to short out. It is best to store
them in individual bags.
Expected battery life can vary significantly
depending on environmental conditions and the
type of use the product is exposed to. Please see
the individual ACW Instruction Manual for
expected average battery life.
The spare parts must be stored in a dry and dark
place. When storing the seals, make sure that they
are not exposed to dirt or other contaminants.
Do not handle gold plated parts with your bare
hands. Oily or sweaty fingers may smear the gold
plating and cause contact problems or be a reason
for later damage on the gold plating. Always use
protective gloves.
2.3. INFREQUENTLY USED PRODUCT
Do not assume that the product is in good
condition because of infrequent use or because it
has been in storage. Water or other contaminants
could be present even while in storage and the
seals can deteriorate over time. Water or other
contaminants present during storage can cause
corrosion or cause the device to go into dive mode
reducing the expected battery life. If there is a
battery installed in the ACW, the time keeping
display of the ACW is always shown, even if the
device is not in use, thus using battery power.
2
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