John Deere 318 - Manual (Page 104)

15. Remove and inspect intermediate shaft assembly; if
equipped with two-speed differential, remove shift rod
assembly with intermediate shaft.
Inspect intermediate gears (B and C) for worn or
damaged teeth.
Inspect intermediate shaft (D) for worn or damaged
splines or bearing surfaces.
NOTE: Early models have a FLAT thrust washer. Later
models have a TABBED thrust washer. All
service or replacement thrust washers will have
One-Speed Differential
the tabs.
IMPORTANT: It is recommended to replace the early
model (flat) thrust washers with the
later model (tabbed) thrust washers.
The early model washers may spin with
their respective shafts, causing wear to
the case bearing surface.
16. Remove and inspect thrust washer (A) for wear or
damage.
A—Thrust Washers
Two-Speed Differential B—Intermediate Gear
C—Intermediate Gear
D—Intermediate Shaft
M36176
-UN
-29AUG88
M36235
-UN
-22NOV89
17. Two-speed differential; disassemble shift rod by
removing two E-rings (A) and fork (B).
Inspect shaft for straightness, burrs, and damaged detent
lands. Replace if necessary.
M36236
-UN
-22NOV89
MX,15905015,10 -19-23FEB95
MX,15905015,11 -19-23FEB95
Differential/Disassemble and Inspect
TM1590 (17MAY95)
50-15-8
316, 318 & 420 Lawn and Garden Tractors
020895
50
15
8