John Deere 318 - Manual (Page 398)

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HYDRAULIC CONTROL VALVE CHECK
NOTE: 316; Single lever controls rockshaft
cylinder and right-hand front outlets.
318 Levers;
—Inside lever controls right-hand front outlets
“float” and optional rear outlets.
—Outside lever controls rockshaft cylinder and
left-hand front outlets..
420 Levers;
—Inside lever controls right-hand front outlets
“float”.
—Middle lever controls rockshaft cylinder.
—Outside lever controls left-hand front and
optional rear outlets.
M36699 -UN-25JAN90
Run engine at full
throttle.
Pull control valve lever
rearward to raise
implement. Release
lever.
LOOK: Implement must
raise and hold position
without dropping. Lever
must return to neutral.
NOTE: 318 Shown
NOTE: With the exception of “float”
position, all control valve levers
should operate the same with an
attachment correctly connected to
that particular hydraulic system.
• All control valve levers except
“float” position:
Push control valve lever forward to
lower implement. Release lever.
LOOK: Implement must lower and
hold position. Lever must return to
neutral.
Pull control valve lever rearward to
raise implement. Release lever.
LOOK: Implement must raise and
hold position. Lever must return to
neutral.
• Control valve lever “float” position:
Push control valve lever forward to
float position. Release lever.
LOOK: Implement must lower to
ground and lever must stay in float
position.
• All control valve levers:
Pull control valve lever rearward
and raise implement halfway.
Turn engine OFF.
Pull control valve rearward to raise
implement.
LOOK: Implement must not move
down.
OK: Procedure
complete. System is
normal.
NOT OK: GO TO
;
in
Group 20.
Æ
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 condition of the malfunction
identified by the operator.
IF A MALFUNCTION IS NOT IDENTIFIED
AFTER SYSTEM CHECKOUT PROCEDURE,
FACTORY ASSISTANCE IS AVAILABLE
THROUGH THE DEALER TECHNICAL
ASSISTANCE CENTER (DTAC).
MX,159027005,3 -19-05MAY95
MX,159027005,4 -19-24APR95
Hydraulic System Checkout/Operator Complaint Not Identified
TM1590 (17MAY95)
270-05-2
316, 318 & 420 Lawn and Garden Tractors
020895
270
05
2