Maintenance Instructions; Storage Instructions - Schumacher Proseries PSW-7700 Owner's Manual

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The Chart Method
Use the following table to more accurately determine the time it will take to
bring a battery to full charge. First, identify where your battery fits into the
chart.
NR means that the charger setting is NOT RECOMMENDED.
Find your battery's rating on the chart below, and note the charge time given
for each charger setting. The times given are for batteries with a 50% charge
prior to recharging. Add more time for severely discharged batteries.
BATTERY SIZE/RATING
SMALL
BATTERIES
200 - 315 CCA
CARS/
315 - 550 CCA
TRUCKS
550 - 1000 CCA
MARINE/DEEP CYCLE
14.

MAINTENANCE INSTRUCTIONS

14.1
After use and before performing maintenance, unplug and disconnect the
battery charger (see Sections 6, 7 and 8).
14.2
Use a dry cloth to wipe all battery corrosion and other dirt or oil from the
terminals, cords, and the charger case.
14.3
Ensure that all of the charger components are in place and in good working
condition, including the plastic boots on the battery clips.
14.4
Servicing does not require opening the unit, as there are no user-serviceable
parts.
15.

STORAGE INSTRUCTIONS

15.1
Store the charger unplugged, in an upright position. The cord will still conduct
electricity until it is unplugged from the outlet.
15.2
Store inside, in a cool, dry place.
15.3
Do not store the clips on the handle, clipped together, on or around metal, or
clipped to cables.
6 - 12 AH
Motorcycle,
garden,
12 - 32 AH
tractor, etc.
40 - 60 RC
60 - 85 RC
80 - 190
140 RC
160 RC
180 RC
CHARGE RATE/CHARGING TIME
15 AMP
NR
NR
1½ - 2
hrs
2 - 2½
hrs
2½ - 4½
RC
hrs
80 RC
2¼ hrs
3½ hrs
4 hrs
4½ hrs
11
30 AMP
35 AMP
NR
NR
NR
NR
40 – 50
¾ – 1 hr.
min.
1 – 1¼
50 – 60
hrs.
min.
1¼ – 2¼
1 – 2
hrs.
hrs.
NR
NR
NR
NR
NR
NR
NR
NR
70 Amp
NR
NR
20 - 30
min
30 - 40
min
40 min -
1 hr
NR
NR
NR
NR

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