SANDPIPER S20 Metallic - Manual (Page 14)

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11
• Model S20 Metallic
Air Distribution Valve Assembly
(Use with Aluminum Centers ONLY)
** Note: Pumps equipped with this valve assembly are not
ATEX compliant
Air Valve Assembly Parts List
Item Part Number Description Qty
1 031.173.000 Air Valve Assembly 1
1-A 095.109.157 Body, Air Valve 1
1-B 031.139.000 Sleeve and Spool Set 1
1-C 132.029.357 Bumper 2
1-D 560.020.360 O-Ring 10
1-E 165.127.157 Cap, End 2
1-F 170.032.330 Hex Head Capscrew
1/4-20 x .75 8
1-G 530.028.550 Muffler 1
1-H 165.096.551 Muffler Cap 1
1-J 706.026.330 Machine Screw 4
**Air Valve Assembly Parts List
1 031.173.001 Air Valve Assembly 1
Consists of all components above except:
1-F 170.032.115 Hex Head Capscrew
1/4-20 x .75 8
1-J 706.026.115 Machine Screw 4 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.
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1: Remove Hex Head Cap Screws (1-F).
Step 2: Remove end cap (1-E).
Step 3: Remove spool part of (1-B) (caution: do not scratch).
Step 4: Press sleeve (1-B) from body (1-A).
Step 5: Inspect O-Ring (1-D) and replace if necessary.
Step 6: Lightly lubricate O-Rings (1-D) on sleeve (1-B).
Step 7: Press sleeve (1-B) into body (1-A).
Step 8: Reassemble in reverse order, starting with step 3.
Note: Sleeve and spool (1-B) set is match ground to a specified clearance
sleeve and spools (1-B) cannot be interchanged.
MODEL SPECIFIC
4: AIR
END