John Deere 318 - Manual (Page 382)

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HYDROSTATIC STEERING SYSTEM CHECK (318 AND 420)
2a
Power Steering
Check
Start engine and run at
full throttle.
M49195 -UN-02FEB90
Turn steering wheel full
left, then full right.
FEEL: Smooth,
constant effort should
be felt.
LOOK: Wheels must
stop turning when
steering wheel is
stopped.
LOOK: Wheels must
move full left and full
right. Stops (A) must
contact axle.
OK: CONTINUE WITH
TEST
WHEELS CONTINUE
TURNING AFTER
STEERING WHEEL IS
STOPPED: GO TO
I ,
GROUP 15.
STOPS DO NOT
CONTACT AXLE: GO
TO
G
, GROUP 15.
M55027 -UN-09DEC89
Count the number of revolutions of the steering
wheel from a full right turn to a full left turn then,
from a full left turn to a full right turn.
Approximate revolutions from right turn to left . . . . . . . . . . . . . . . . . . . . . . . . . 3
Approximate revolutions from left turn to right . . . . . . . . . . . . . . . . . . . . . . 2-1/2
OK: GO TO
2b
INCORRECT NUMBER
OF STEERING WHEEL
REVOLUTIONS: GO
TO
Æ
, GROUP 15.
2b
Manual Steering
Check
Engine OFF.
M49195 -UN-02FEB90
Turn steering wheel full
left, then full right.
LOOK: Wheels must
move full left and full
right.
LOOK: Stops (A) must
contact axle.
OK: GO TO
Æ
WHEELS DO NOT
MOVE FULL LEFT
AND FULL RIGHT:
Remove and inspect
steering valve check
valve. See Section 60.
STOPS DO NOT
CONTACT AXLE: GO
TO
G
, GROUP 15.
MX,159026005,3 -19-24APR95
MX,159026005,4 -19-24APR95
MX,159026005,5 -19-24APR95
MX,159026005,6 -19-24APR95
Steering And Brakes System Checkout/Hydrostatic Steering System Check (318 and 420)
TM1590 (17MAY95)
260-05-2
316, 318 & 420 Lawn and Garden Tractors
020895
260
05
2