John Deere 318 - Manual (Page 158)

21. Remove metering ring and upper and lower seals
(A). If the bore (B) is scored, the metering ring must be
replaced.
M36843
-UN
-29AUG88
IMPORTANT: Do not clamp metering assembly in a
vise.
22. Remove metering assembly. Put assembly on a
clean surface.
M36844
-UN
-29AUG88
23. Remove commutator seal (A).
24. Remove 11 screws to remove commutator cover.
Inspect screws for damage and replace if necessary.
25. Check commutator cover machined surface for nicks,
burrs, scoring, or unusual wear. A polished pattern due
to rotation of the commutator is normal.
M36845
-UN
-29AUG88
IMPORTANT: Handle commutator ring with care; it is
easily broken.
26. Remove commutator ring and inspect for wear, burrs,
cracks, or scoring.
NOTE: The commutator ring and commutator are a
matched set. If either is worn or damaged, both
must be replaced.
M36847
-UN
-29AUG88
MX,15906006,17 -19-01MAR95
MX,15906006,18 -19-01MAR95
MX,15906006,19 -19-01MAR95
MX,15906006,20 -19-01MAR95
Steering—318 and 420/Steering Valve
TM1590 (17MAY95)
60-06-8
316, 318 & 420 Lawn and Garden Tractors
020895
60
06
8