John Deere 318 - Manual (Page 66)

REMOVE AND INSTALL IMPLEMENT RELIEF
VALVE
1. Remove fender deck and fuel tank.
2. Remove implement relief valve plug from top of
transmission housing.
IMPORTANT: If relief valve is being disassembled to
be cleaned, the same number and
thicknesses of shims must be installed
when assembled.
420 Shown
3. Remove shims (A) if equipped, spring and valve.
4. Inspect valve and housing for wear or damage. Valve
must slide freely in bore. Replace parts as necessary.
5. Installation is done in the reverse order of removal.
• Apply clean John Deere Low Viscosity HY-GARD
®
oil
on valve and spring.
M36539
-UN
-25JAN90
REMOVE TRANSMISSION
1. Remove drain plug (A) to drain transmission oil.
Approximate capacity is 4.7 L (5 U.S. qt).
2. Remove fender deck and fuel tank.
3. Remove belly screen/pan.
M33430
-UN
-25AUG88
4. Loosen two lock nuts and cap screws, if equipped, on
drive shaft.
5. Remove hydraulic pressure line (A) and return line
(B). Close all openings with caps and plugs.
420 Shown
M36540
-UN
-25JAN90
MX,15905005,10 -19-24FEB95
MX,15905005,11 -19-23FEB95
MX,15905005,12 -19-23FEB95
Transmission/Remove Transmission
TM1590 (17MAY95)
50-05-6
316, 318 & 420 Lawn and Garden Tractors
020895
50
05
6