John Deere 318 User Manual
Page 355

Move hydrostatic lever
to full forward position.
M36671 -UN-25JAN90
Depress left brake
pedal.
LOOK: Hydrostatic
lever must move to
slow forward position.
Left wheel must stop;
right wheel must
continue to turn.
OK:
GO TO
Õ
NOT OK:
GO TO
Ü
,
GROUP 15.
Õ
TWO-SPEED AXLE
LEVER CHECK (420)
Start and run engine at
half throttle.
M36672 -UN-25JAN90
Move two-speed axle
lever to slow speed
position. Move
hydrostatic lever to full
forward position.
LOOK: Observe ground
speed.
Move two-speed axle
lever to fast speed
position. Move
hydrostatic lever to full
forward position.
LOOK: Ground speed
must be approximately
twice as fast.
OK:
GO TO
Ú
NOT OK:
GO TO
1#
,
GROUP 15.
Ú
DIFFERENTIAL
LOCK CHECK (420)
Start and run engine at
fast idle.
Move hydrostatic lever
to slow forward
position.
M36673 -UN-25JAN90
Turn steering wheel left
or right.
Depress differential lock
and turn left or right.
LOOK: With differential
lock depressed,
machine must try to go
straight forward when
steering wheel is turned
or rear tire must show
scuffing on the ground.
OK:
System Normal.
NOT OK:
GO TO
1$
,
GROUP 15.
Ü
OPERATOR
COMPLAINT NOT
IDENTIFIED
If you completed the checkout procedure and did
not isolate a malfunction, the problem may be
intermittent.
Try to duplicate the conditions of the malfunction
identified by the operator.
IF A MALFUNCTION IS NOT IDENTIFIED
AFTER SYSTEM CHECKOUT PROCEDURE;
FACTORY ASSISTANCE IS AVAILABLE
THROUGH DEALER TECHNICAL ASSISTANCE
CENTER (DTAC).
MX,159025005,8 -19-25APR95
MX,159025005,9 -19-20APR95
MX,159025005,10-19-20APR95
MX,159025005,11-19-20APR95
Power Train Checkout/Operator Complaint Not Identified
TM1590 (17MAY95)
250-05-3
316, 318 & 420 Lawn and Garden Tractors
020895
250
05
3