Parts Drawing

Models 238889, 238890, 238891, and 238892

238889 with EZ Flush gauge port plug

238890 with fluid pressure gauge

Spring-Operated Regulator

500 to 3000 psi (3.4 to 21 MPa, 34 to 207 bar) Regulated Fluid Outlet Pressure

6 10

32

627

611

6

8

DETAIL

Torque Sequence for Regulator

Base Housing Screws (9)

41

23

238891 with EZ Flush gauge port plug

238892 with fluid pressure gauge

Spring-Operated Regulator

3000 to 5000 psi (21 to 34 MPa, 207 to 345 bar) Regulated Fluid Outlet Pressure

7*

6

12*

 

13*

 

19*

1*

1

17*

29

30

4

 

 

 

 

 

3{ 2

 

 

14{

 

 

15{

28

5 9

20{ 7

18{ 7

16{

21{

5{ 4

06289

1Torque to 25 to 30 in-lb (2.8 to 3.4 NSm).

2Torque to 140 to 160 in-lb (16 to 18 NSm).

3Torque to 10 to 20 ft-lb (14 to 27 NSm).

4Torque to 30 to 35 ft-lb (41 to 48 NSm).

5Torque first to 20 to 25 ft-lb (27 to 34 NSm), then to 30 to 35 ft-lb (41 to 48 NSm) in the sequence shown in DETAIL at left.

6Apply lithium-based grease when reassembling.

7Apply a fluid-compatible grease to aid in reassembly.

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Image 14
Graco 238890, 238892, 238894 Parts Drawing, With EZ Flush gauge port plug With fluid pressure gauge