Sandpiper S30, Operating & Service Manual

s30nmdl3sm-rev1218

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Model S30 Non-Metallic • 

12

Air Distribution Valve Assembly

1-E

1-G

1-A

1-B

1-G

1-E

1-J

1-D

1-F

1-G

1-H

Air Valve Assembly Parts List 

Item     

Part Number 

Description 

Qty

1 

031.140.000*  

Air  Valve Assembly 

1

1-A 

031.139.000 

Sleeve and Spool Set 

1

1-B 

095.119.551 

Body, Air Valve 

1

1-D 

165.096.551 

Cap, Muffler 

1

1-E 

165.140.551 

Cap, End 

2

1-F 

530.028.550 

Muffler 

1

1-G 

560.020.360 

O-Ring  

10

1-H 675.068.115 

Staple 

2

1-J 

710.015.115 

Screw, Self-tapping 

4

For Pumps with Piped Exhaust: 

1 

031.141.000* 

Air Valve Assembly 

1

(Includes all items used on 031-140-000 

minus items 1-D, 1-F & 1-J)

Air Distribution Valve Servicing

See repair parts drawing, remove screws.

Step 1:

 Remove staple retainer (1-H).

Step 2: 

Remove end cap (1-E).

Step 3: 

Remove spool part of (1-A) (caution: do not scratch).

Step 4: 

Press sleeve (1-A) from body (1-B).

Step 5:

 Inspect O-Ring (1-H) and replace if necessary.

Step 6:

 Lightly lubricate O-Rings (1-H) on sleeve (1-A).

Step 7: 

Press sleeve (1-A) into body (1-B).

Step 8: 

Reassemble in reverse order, starting with step 3.

Note: 

Sleeve and spool (1-A) set is match ground to a specified 

clearance sleeve and spools (1-A) cannot be interchanged.

IMPORTANT

Read these instructions completely, before installation 

and start-up. It is the responsibility of the purchaser 

to retain this manual for reference. Failure to comply 

with the recommendations stated in this manual will 

damage the pump, and void factory warranty.

* For pumps with stainless brass sleeve and spool set use replace last three digits with 162

4: AIR 

END