John Deere 318 - Manual (Page 316)

—%
Load Test Battery
M36665 -UN-29AUG88
Connect JT05685
Tester to battery.
Follow instructions on
back of meter for
testing battery.
REPLACE BATTERY
AS NEEDED.
;
DASH LAMP CIRCUIT TESTS
Listed at right are symptoms that may occur in a
malfunctioning dash lamp circuit. Locate the
symptom that applies, then proceed to the
appropriate test.
LAMP CIRCUIT SYMPTOMS:
—Fuses Blow When Any Of The
Lamp Circuits Are Energized.
Check For Shorts In The
Power Circuit: GO TO
Ò
,
Group 25.
—No Lamps Come ON: GO TO
1a
—Oil Pressure Lamp Does Not
Come On: GO TO
1i
—Oil Pressure Lamp On All The
Time: GO TO
1l
—Battery Discharge Lamp Does
Not Come On: GO TO
1m
—Battery Discharge Lamp On All
The Time: GO TO
1p
1a
Power Circuit Test
at 20-Amp Fuse
Check 20-amp fuse.
Turn key switch to RUN
position.
NOTE:
A—20-Amp Fuse
B—2-Amp Fuse
C—20-Amp Fuse
D—3-Amp Fuse
M55140 -UN-13APR95
M77926 -UN-12APR95
For machines:
316 (S.N. —475000)
318 (S.N. —475000)
420 (S.N. —595880),
check for voltage at
both ends of 20-amp,
in-line fuse (A).
For machines:
316 (S.N. 475001— )
318 (S.N. 475001— )
420 (S.N. 595881— ),
check for voltage at
both contacts of
20-amp fuse (C).
VOLTAGE ONE SIDE:
Check fuse contacts.
VOLTAGE BOTH
SIDES: GO TO
1b
NO VOLTAGE: GO TO
1e
MX,159024025,9 -19-16MAY95
MX,159024025,10-19-16MAY95
MX,159024025,11-19-16MAY95
Electrical System Diagnosis/Dash Lamp Circuit Tests
TM1590 (17MAY95)
240-20-4
316, 318 & 420 Lawn and Garden Tractors
020895
240
20
4