John Deere 318 - Manual (Page 64)

3. Inspect inner ring key way for damage or shear pin
debris.
4. Inspect rotor ring (A) for cracks or signs of scoring on
the outer edge.
5. Inspect gerotor set for wear or damage. If any
component is worn or damaged, replace gerotor set as
an assembly.
M36086
-UN
-29JAN90
6. Pry out seal using a screwdriver.
NOTE: Bearing is press-fit in housing. Remove bearing
only if replacement is necessary.
7. Inspect bearing for wear or damage. Remove bearing
using a driver set.
8. Inspect housing for wear or damage. Replace entire
charge pump if necessary.
M36087
-UN
-29AUG88
ASSEMBLE CHARGE PUMP
IMPORTANT: Always use new seals and O-rings.
Damaged or used parts will leak.
NOTE: Lubricate all seals and O-rings with petroleum
jelly during assembly.
1. Apply clean John Deere Low Viscosity HY-GARD ® oil
on all internal parts.
2. If removed, press bearing into housing using a 1-1/8
in. driver disk. Install bearing until flush with housing
surface.
3. Install new seal using a 1-5/8 in. driver disk. Install
seal with lip (spring side) toward inside of housing.
M36089
-UN
-29AUG88
MX,15905005,5 -19-23FEB95
MX,15905005,6 -19-23FEB95
MX,15905005,7 -19-23FEB95
Transmission/Charge Pump
TM1590 (17MAY95)
50-05-4
316, 318 & 420 Lawn and Garden Tractors
020895
50
05
4