Assemble charge pump – John Deere 318 User Manual

Page 64

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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

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This manual is related to the following products:

316, 420