SANDPIPER S20 Non-Metallic - Manual (Page 15)

s20nmdl3sm-rev0614
sandpiperpump
.
com Model S20 Non-Metallic •
12
Air Distribution Valve Assembly
ATEX Compliant
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.
1-J
1-D
1-F
1-G
1-H
1-G
1-E
1-C
1-A
1-A
1-B
1-C
1-E
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 095-094-551 Body, Air Valve 1
1-C 132-029-552 Bumper 2
1-D 165-096-551 Cap, Muffler 1
1-E 165-115-558 Cap, End 2
1-F 530-028-550 Muffler 1
1-G 560-020-360 O-Ring 8
1-H 675-044-115 Ring, Retaining 2
1-J 710-015-115 Screw, Self-tapping 4
For Pumps with Alternate Mesh, Sound Dampening
Mufflers or 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 Valve Assembly Parts List
Item Part Number Description Qty
1 031-140-001 Air Valve Assembly 1
1-A 031-139-000 Sleeve and Spool Set 1
1-B 095-094-559 Body, Air Valve 1
1-C 132-029-552 Bumper 2
1-D 165-096-559 Cap, Muffler 1
1-E 165-115-558 Cap, End 2
1-F 530-028-550 Muffler 1
1-G 560-020-360 O-Ring 8
1-H 675-044-115 Ring, Retaining 2
1-J 710-015-115 Screw, Self-tapping 4
For Pumps with Metal Mesh Muffler or Piped Exhaust:
1 031-141-001 Air Valve Assembly 1
(Includes all items used on 031-140-001
minus items 1-D, 1-F & 1-J)
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1: Remove end cap 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.
NOTE: CHECK GAP AFTER ASSEMBLY
TO INSURE COMPLETE
INSTALLATION OF RETAINING RING
MODEL SPECIFIC
4: AIR
END