User Manual

32. Lift the rotor and stator from the drive plate.

33. Check the drive plate side of the rotor assembly for

nicks, grooves, or scoring. A spiral pattern due to rotor

movement is normal.

The thrust bearing side of the plate should also show a

normal wear pattern without grooves, flaking, or dents.

The flat sides of the input shaft hole should not be

grooved or worn.

Drive Plate Side

Thrust Bearing Side

M36851 -UN-29AUG88M36852 -UN-29AUG88

NOTE: Four-port and early five-port have a seal spacer

and backup ring. Later five-port has a seal

spacer only.

34. Remove parts (A—E).

35. Inspect parts for wear or damage. Replace if

necessary.

A—Thrust Bearing Spacer

B—Thrust Bearing

C—Face Seal

D—Backup-Ring (4-Port and Early 5-Port)

Four-Port and Early Five-Port

E—Seal Spacer

Later Five-Port

M36853 -UN-29AUG88M77305 -UN-06MAR95

MX,15906006,24 -19-01MAR95

MX,15906006,25 -19-10MAR95

Steering—318 and 420/Steering Valve

TM1590 (17MAY95) 60-06-10 316, 318 & 420 Lawn and Garden Tractors

020895