Mueller U-20808 Installation Instructions Manual Download Page 7

Hole 

“a”

USeD to 

SeCURe 

CoUPlInG 

to PIV 

oPeRatInG 

nUt

7

U-20808/U-20809 Non-Adjustable Vertical Indicator Posts

Parts

1. O.L. Post Head (U-20808) .......148692

  O.R. Post Head (U-20808) ......148649

  O.L. Post Head (U-20809) .......241029

  O.R. Post Head (U-20809) ......241030

2. Barrel 

 “0” ..........................................241272

 “1” ..........................................241273

 “2” ..........................................241274

3. Bell ........................................290636 

5. Lower Stem Assembly ..........287085

9. Hex Socket Set Screw, 

 

3

/

4

 - 10 UNC x 1”....................198428

10. Pipe Plug 

1

/

2

” NPT ...............198582

11. Window ................................148790

12. Wrench 

 (U-20808)........... ............ 148690-1

 (U-20809)........... ................241013

13. Upper Stem Assembly 

 

“0” (U-20808) ......................287080

 

“1” (U-20808) ......................287081

 

“2” (U-20808) ......................287082

 

“0” (U-20809) ......................287646

 

“1” (U-20809) ......................287647

 

“2” (U-20809) ......................287648

18. Weather Cap .......................290143

19. Retaining Ring ....................290157

20. OPEN Target 

 (U-20808) ...........................290144

 (U-20809) ...........................290552

21. SHUT Target 

 (U-20808) ...........................290145

 (U-20809) ...........................290553

22. Hex Bolt

 (U-20808) ...........................290191

 (U-20809) ...........................290631

23. Hex Nut ...............................190939

rePlacement Parts

 

 

1  Post Head

  2  Barrel 
  3  Bell
  5   Lower Stem
  6   Coupling
  7   Coupling insert
  8   Cotter Pin, 

1

/

4

” x 3” (2 req’d) 

  9  Hex Socket Set Screw, 

3

/

4

-10UNC x 1”

 10  Pipe Plug, 

1

/

2

” NPT

 11  Window (2 req’d)
 12  Wrench
 13  Operating Nut
 14  Spring Pin, 

1

/

8

” x 2

1

/

4

 15  Cotter Pin, 

1

/

8

” x 1

1

/

2

 16  Threaded Sleeve
 17  Upper Stem
 18  Weather Cap
 19  Retaining Ring
 20  “OPEN” Target
 21  “SHUT” Target
 22  Hex Head Cap Screw, 

5

/

8

-11UNC x 

    2

1

/

4

” (4 req’d)

 23  Hex Nut, 

5

/

8

-11UNC (4 req’d)

  ID  PArT NAme

1

NOTE: When ordering specify Description & Part No. 

for models with handwheels, contact customer service for replacement parts.

Parts list

23

7

5

6

8

15

8

22

17

12

19

18

11

13

14

9

16

20

21

10

3

2

Summary of Contents for U-20808

Page 1: ...training and periodic review regarding the use of this equipment is essential to prevent possible serious injury and or property damage The instructions contained herein were developed for using this...

Page 2: ...round valves while providing an above ground visual indication as to whether the valves are open or shut in addition to a means for locking the valves in a particular position Indicator posts provide...

Page 3: ...n be accommodated by each Order Length for the 4 24 USPVH Resilient Wedge PIVs based on the typical diameter of underground pipe For PIVs with different B dimensions the minimum and maximum trench dep...

Page 4: ...diameter typical for underground pipe Size No D 0 2 1 8 2 14 Dimensions D Nominal Trench depths For USPVH IBBM Double Disc and Resilient Wedge Post Indicator Valves Valve size Number SIZE 0 1 2 4 1 3...

Page 5: ...t the Post will be plumb and the Stem will run true with the center of the Post Head Coupling clearances can accommodate a maximum pipe slope of 5 degrees It is recommended that a spirit level be used...

Page 6: ...as appropriate and note the direction in which the Trip Rod must move when the OPEN Target is returned to the Post Window Slide the Switch Assembly as far as possible onto the Nipple while maintaining...

Page 7: ...ng 290157 20 OPEN Target U 20808 290144 U 20809 290552 21 SHUT Target U 20808 290145 U 20809 290553 22 Hex Bolt U 20808 290191 U 20809 290631 23 Hex Nut 190939 Replacement parts 1 Post Head 2 Barrel 3...

Page 8: ...e Indicator Post should also be physically tried to be sure that the valve is in the fully open position if there are any damaged parts sign of tampering or the position of the valve is questionable N...

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