John Deere 318 - Manual (Page 144)

NOTE: A steering gearlash adjustment shim is available
through the parts catalog.
27. Check preload adjuster (A) end clearance with a
feeler gauge as shown. If clearance is greater than 0.05
mm (0.002 in.), order and install shim (B).
M33989
-UN
-03OCT89
ASSEMBLE STEERING GEARBOX AND
SHAFT
IMPORTANT: Always use new seals and gasket.
Damaged or used parts will leak.
NOTE: Apply clean multipurpose grease on all internal
parts during assembly.
1. Install new worm shaft bearing cup in gearbox
housing, if removed, using a driver set.
2. Install new needle bearing in gearbox housing, if Bearing Cup
removed, using a driver from JDG457 Steering Gear
Service Set.
Needle Bearing
M34159
-UN
-08NOV89
M34160
-UN
-08NOV89
MX,15906005,31 -19-10MAR95
MX,15906005,32 -19-01MAR95
Steering—316/Gearbox
TM1590 (17MAY95)
60-05-12
316, 318 & 420 Lawn and Garden Tractors
020895
60
05
12