John Deere 318 - Manual (Page 314)

M78971 -UN-09MAY95
Check specific gravity
of each cell with a
hydrometer. SPECIFIC GRAVITY
ALL CELLS LESS THAN 1.175: GO TO —@
ALL CELLS MORE THAN 1.225 WITH LESS THAN 50
(0.050) GRAVITY POINT VARIATION: GO TO
—#
ALL CELLS LESS THAN 1.225 WITH LESS THAN 50
(0.050) GRAVITY POINT VARIATION: GO TO
—!
CELLS VARY MORE THAN 50 POINTS: Replace
Battery.
—!
Test Battery
Voltage
NOTE: Battery need
not be disconnected
from machine.
M36655 -UN-25JAN90
IMPORTANT: Before
connecting JT05685
Tester to battery,
make sure load knob
(A) is turned fully
counterclockwise.
Check battery voltage
with voltmeter or
JT05685 Battery Tester.
12.4 VOLTS OR
MORE: GO TO
—%
LESS THAN 12.4
VOLTS: GO TO
—@
MX,159024025,3 -19-16MAY95
MX,159024025,4 -19-16MAY95
Electrical System Diagnosis/Battery Tests
TM1590 (17MAY95)
240-20-2
316, 318 & 420 Lawn and Garden Tractors
020895
240
20
2