At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts
Today we will discuss:

John Deere Crawler 755B – Assemble Hydrostatic Manifold Valve

Put in the same amount of shims (B) that were taken out to level out the original pressure settings. Diagram 1

Put in parts (A- I)

A – Plug with o ring

B- Shim (as required)

C – Spring

D – Poppet

E – Relief Valve

F – Pin

G – Spring

H – Valve Spool

I – Spacer

Put in new o rings ( 2 & 4) and backup rings (3) on high pressure relief valve (1) Diagram 2

1 – High Pressure Relief Valve

2 – O Ring

3 – Backup Ring (2 used)

4 – O ring

Put in high pressure relief valves (6). Diagram 3

Put in the shuttle valve spool parts (1-5)

1 – Shuttle Valve Spool

2 – Plug (2 used)

3 – O Ring (2 used)

4 – Spring (2 used)

5 – Special Washer (2 used)

6 – High Pressure Relief Valve (2 used)

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