John Deere 318 User Manual
Page 315
—@
Charge Battery
Connect a variable-rate
type charger to battery.
Start charger at a slow
rate. Increase charge
rate one setting at a
time. Check ammeter
(on charger) after 1
minute at each setting.
Try to maintain a 10
amp charge rate. Use
boost setting as
necessary.
The maximum charging
time at boost setting is
10 minutes. Allow an
additional 5 minutes for
each 10˚F below 70˚F.
BATTERY DID NOT REQUIRE WATER AT
STEP
B
AND IS ACCEPTING A 10-AMP
CHARGE: GO TO
—$
BATTERY REQUIRED WATER AT STEP
B
OR
ALL CELLS WERE BELOW 1.175, BUT
BATTERY IS ACCEPTING A 10-AMP CHARGE:
GO TO
—#
BATTERY DOES NOT ACCEPT A 10-AMP
CHARGE AFTER 10 MINUTES AT BOOST
SETTING: Replace Battery.
—#
Increase Charge
Rate
Set charger at 15—25
amps.
IMPORTANT:
Decrease charge rate
if battery gases or
bubbles excessively
or becomes too warm
to hold.
Check specific gravity
after 30 minutes.
VARIATION BETWEEN
CELLS IS MORE
THAN 50 SPECIFIC
GRAVITY POINTS
(0.050): Replace
Battery.
VARIATION BETWEEN
CELLS IS LESS THAN
50 SPECIFIC GRAVITY
POINTS (0.050): GO
TO
—$
—$
Continue Charging
Battery
IMPORTANT:
Decrease charge rate
if battery gases or
bubbles too much or
if battery gets too
warm to hold.
Continue charging
battery until specific
gravity is 1.230—1.265
points.
BATTERY WAS DISCHARGED AT A SLOW
RATE OR DISCHARGE RATE IS UNKNOWN:
Charge battery at 10—15 amps for 6—12 hours.
(Maintenance free battery may require 12—24
hours.)
THEN GO TO
—%
BATTERY WAS DISCHARGED AT A FAST
RATE: Charge battery at 20—25 amps. Battery
may require 2—4 hours charging time.
(Maintenance free battery may need 4—8 hours.)
THEN GO TO
—%
MX,159024025,5 -19-16MAY95
MX,159024025,7 -19-16MAY95
MX,159024025,8 -19-16MAY95
Electrical System Diagnosis/Battery Tests
TM1590 (17MAY95)
240-20-3
316, 318 & 420 Lawn and Garden Tractors
020895
240
20
3