Eaton Heavy Duty 2 4622 User Manual

23
EATON Heavy-Duty Series 2 Hydrostatic Pumps Parts and Repair E-PUPI-TS004-E October 2004
Servo Piston
Cover
(Item 29)
Hole indicates
Servo Piston with
Pressure Override
Score indicates
Hardened
Servo Piston
Table 11.0 Servo Piston
MODEL 3322 MODEL 3922 MODEL 4622 MODEL 5422 MODEL 6422
PART NO. PART NO. PART NO. PART NO. PART NO. DESCRIPTION
109558-002 109558-001 109558-001 110018-000 110018-000 Servo Piston with Pressure Override
109559-002 109559-001 109559-001 110017-000 110017-000 Servo Piston
113241-001 113241-001 113241-001 113241-001 113241-001 Servo Piston,
4997993-002 4997993-001 4997993-001 4997664-000 4997664-000 Servo Piston, Hardened*
4997992-002 4997992-001 4997992-001 4997922-001 4997922-001 Servo Piston, Hardened* with
Pressure Override
*Note: Never disassemble
the Servo Piston,
critical calibrations
have been made at
the factory.
There are three types of
Servo Pistons. They are
NOT interchangeable.
(Item 26)
Hardened Servo Piston
Table 11.1
Standard Servo Piston Cover
Model 3322/3922/4622
ITEM PART NO. DESCRIPTION
29 108145-000 Cover No Tap
30 109331-000 Cover .50-20
Neutral Adjustment
34
35
33
30
Optional External
Servo Stop
109
29
108
110
111
Table 11.2
Optional External Servo Stop Assembly
Model 3322/3922/4622
ITEM PART NO. QTY DESCRIPTION
111 16254-6 1 Thread Seal, with externally adjustable stop in one direction
110 16254-26 2 Washer
109 16021-6 1 Nut, Hex .375-16
108 111583-000 2 Set Screw .375-16
30 111581-000 1 Cover .375-16 Tap for Adjustable Stop
162 111582-000 1 Nut (Servo Stop)
29 111580-000 1 Cover .375-16 Tap for Servo Piston
Model 5422/6422
ITEM PART NO. QTY DESCRIPTION
111 16254-8 1 Thread Seal, with externally adjustable stop in one direction
110 16254-28 2 Washer
108 111830-000 1 Set Screw 1/2-20
162 96097-050 1 Nut 1/2-20
29 111864-000 1 Cover .50-20 Tap for Servo Piston
30 114220-000 1 Cover .50-20 Tap for Adjustable Stop
Parts List
Servo Piston
Model 5422/6422
ITEM PART NO. DESCRIPTION
29 108372-000 Cover No Tap
30 109371-000 Cover .50-20
Optional External
Servo Stop
34
35
33
30
108
162
111
110
*Note: Hardened servo Piston
should be used in pumps
with external displace-
ment stops.

Eaton Heavy Duty 2 4622 Specifications

General

Brand	Eaton
Model	Heavy Duty 2 4622
Category	Water Pump
Language	English