John Deere 318 - Manual (Page 72)

10. Remove O-ring, backup ring (B), and O-ring (A).
NOTE: Originally equipped 420 Lawn and Garden
Tractor transmissions do no have manually
operated check valves. If check valves have
been replaced; service replacements will have
manually operated check valves.
11. Internal valve (C) must move freely inside check
valve.
M36102
-UN
-29AUG88
12. Remove four pipe plugs.
M77334
-UN
-21FEB95
13. Remove snap ring to remove output shaft drive gear.
14. Remove O-ring.
M36104
-UN
-29AUG88
IMPORTANT: Do not disassemble the transmission
any further while in the bench fixture.
15. LOOSEN eight cap screws (do not remove). Remove
transmission from bench fixture.
M36522
-UN
-25JAN90
5M3,5005K,Q -19-18DEC87
MX,15905005,41 -19-14MAR95
5M3,5005K,S -19-18DEC87
5M3,5005K,T -19-18DEC87
Transmission/Disassemble
TM1590 (17MAY95)
50-05-12
316, 318 & 420 Lawn and Garden Tractors
020895
50
05
12