Schumacher SP1 Owner's Manual page 4

1.9 Do not disassemble the charger; take it to a qualified service
person when service or repair is required. Incorrect reassembly
may result in a risk of fire or electric shock. (Call customer service
at: 1-800-621-5485.)
INSTRUCTIONS EACH TIME YOU USE THE CHARGER.
1.11 To reduce the risk of a battery explosion, follow these instructions
and those published by the battery manufacturer and the
manufacturer of any equipment you intend to use in the vicinity
of the battery. Review the cautionary markings on these products
and on the engine.
1.12 This charger employs parts, such as switches and circuit
breakers, that tend to produce arcs and sparks. If used in a
garage, locate this charger 18 inches (46 cm) or more above floor
level.
2. PERSONAL PRECAUTiONS
a short-circuit current high enough to weld a ring or the like to
metal, causing a severe burn.
2.3 Be extra cautious to reduce the risk of dropping a metal tool onto
the battery. It might spark or short-circuit the battery or other
electrical part that may cause an explosion.
2.4 Use this charger for charging LEAD-ACID batteries only. It is not
intended to supply power to a low voltage electrical system other
than in a starter-motor application. Do not use this battery charger
for charging dry-cell batteries that are commonly used with
RiSK OF EXPLOSiVE GASES.
1.10 WORKING IN THE VICINITY OF A LEAD-
ACID BATTERY IS DANGEROUS. BATTERIES
GENERATE EXPLOSIVE GASES DURING NORMAL
BATTERY OPERATION. FOR THIS REASON, IT IS OF
UTMOST IMPORTANCE THAT YOU FOLLOW THE
RiSK OF EXPLOSiVE GASES.
2.1 NEVER smoke or allow a spark or flame in the
vicinity of a battery or engine.
2.2 Remove personal metal items such as rings,
bracelets, necklaces and watches when working with
a lead-acid battery. A lead-acid battery can produce
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