Eaton Electrical 350 Item 48, 49

EATON 350 Series Dual Path Mobile Pumps E-PUPI-TS006-E September 2007

31526784

5989958-001 1 Servo Piston Sub-Assembly

1 NSS 1 Servo Piston

2 NSS 2 Spring Retainer

3 NSS 1 Servo Piston Plug

4 NSS 1 Servo Piston Bolt

5 NSS 2 Spring Stop

6 NSS 1 Spring

7 NSS 1 Hex Nut

8 NSS 1 Thin Hex Nut

NSS - Not Sold Separately

REF PART NO. QTY. DESCRIPTION

Item 48, 49

Servo Piston Assembly - Used with

MA, MB, MC, MD, ME, SA, SB, SC Controls

5989959-001 1 Servo Piston Sub-Assembly

1 NSS 1 Servo Piston

2 NSS 2 Spring Retainer

3 NSS 1 Servo Piston Plug

4 NSS 1 Servo Piston Bolt

5 NSS 1 Spring

6 NSS 1 Spring

7 NSS 1 Hex Nut

8 NSS 1 Thin Hex Nut

NSS - Not Sold Separately

REF PART NO. QTY. DESCRIPTION

Item 48, 49

Servo Piston Assembly - Used with

HA Control

Item 48, 49 - Servo Piston

Assembly

Contents

Main Table of Contents Introduction Page Parts - Exploded View Note: Investigating having this page fold out from page 3 so that Parts drawings are together Page Page Page Page Model Code Displacement 2.5 cid (41 cc) Displacement 3.0 cid (49 cc) Displacement 3.8 cid (62 cc) Item 28, 39 - Drive Shafts Item 43, 44, 45, 46 - Relief Valve Sub-Assembly Item 1 - Housing Identification Item 43, 44, 45, 46 Relief Valve Sub-Assembly Item 1 Housing Identification Item 48, 49 - Servo Piston Item 64, 65 Index of Mechanical Servo Controllers Control Valve Sub-Assembly Item 64, 65 Mechanical Servo (MA, MB)* Item 64, 65 High Gain (MC, MF)* Item 64, 65 Neutral Lockout (MD, ME)* Control Valve Sub-Assembly Destroke Valve Option 1 Item 64, 65 Option 1 (MA, MB, MC, MD, ME, MF)* Control Valve Sub-Assembly Destroke Valve Option 2 Item 64, 65 Option 2 (MA, MB, MC, MD, ME, MF)* Control Valve Sub-Assembly Destroke Valve Option 3 Item 64, 65 Option 3 (MA, MB, MC, MD, ME, MF)* Control Valve Sub-Assembly Detroke Valve Option 4 Item 64, 65 Option 4 (MA, MB, MC, MD, ME, MF)* Orifices Sizes Available XX Last two digits of dash number stamped on face of orice. Item 83 - Charge Pump Adapter Assembly Gerotor Sizes Available Required Tools Swash Plate Sub-Assembly Mechanical Servo Control Mechanical Servo Control Assembly Servo Piston Servo Piston/ Dual Pump Housing Note "V" notch locations Valve Plate Identification Lefthand Rotation Righthand Rotation Page Page Note "V" notch locations Valve Plate Identification Lefthand Rotation Righthand Rotation Page Page Page Recommended Gauge Locations Gauges Recommended Explanatory Diagram Symptom: Neutral Difficult or Impossible to Find Symptom: Operates in One Direction Only Symptom: System Will Not Operate in Either Direction Page Start-Up Procedure