John Deere 318 User Manual
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
12. Remove four pipe plugs.
13. Remove snap ring to remove output shaft drive gear.
14. Remove O-ring.
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.
316, 318 & 420 Lawn and Garden Tractors