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Service and Repairs
NOTE: For more component repair information, see
the Briggs and Stratton Vanguard Service and Repair
Manual for 4–Cycle, V–Twin Cylinder, OHV Engines.
Battery Storage
If the machine will be stored for more than 30 days
1. Remove the battery and charge it fully (see Battery
Service).
2. Either store battery on a shelf or on the machine.
3. Leave cables disconnected if the battery is stored
on the machine.
4. Store battery in a cool atmosphere to avoid quick
deterioration of the battery charge.
5. To help prevent the battery from freezing, make sure
it is fully charged (see Battery Service).
Battery Care
1. Battery electrolyte level must be properly main-
tained. The top of the battery must be kept clean. lf the
machine is stored in a location where temperatures are
extremely high, the battery will run down more rapidly
than if the machine is stored in a location where temper
-
atures are cool.
working with electrolyte. Charge battery in a
well ventilated place so gasses produced
while charging can dissipate. Since the gases
are explosive, keep open flames and electrical
plug charger from electrical outlet before con-
from battery posts.
WARNING
Wear safety goggles and rubber gloves when
sparks away from the battery; do not smoke.
Nausea may result if the gases are inhaled. Un-
necting or disconnecting charger leads to or
2. Keep top of battery clean by washing periodically
with a brush dipped in ammonia or bicarbonate of soda
solution. Flush top surface with water after cleaning. Do
not remove the fill cap while cleaning.
3. Battery cables must be tight on terminals to provide
good electrical contact.
Connecting cables to the wrong post could re-
sult in personal injury and/or damage to the
electrical system.
WARNING
4. If corrosion occurs at terminals, disconnect cables.
Always disconnect negative (–) cable first. Scrape
clamps and terminals separately. Reconnect cables
with positive (+) cable first. Coat terminals with petro
-
leum jelly.
5. Check electrolyte level every 25 operating hours,
and every 30 days if machine is in storage.
6. Maintain cell level with distilled or demineralized
water. Do not fill cells above the fill line.
Electrical
Systems
Sand Pro 2020/3020/5020 Page 5 – 13 Electrical Systems