Product Manual
s1fmdl1sm-rev0614
sandpi p erpump .com
Model S1F 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.
Air Valve Assembly Parts List
(Use w/Aluminum center sections)
Item Part Number Description Qty
1 031.183.000 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
Air Valve Assembly Parts List
1 031.183.001 Air Valve Assembly 1
Consists of all components above except:
1-F 170.032.115 Hex Head Capscrew
1/4-20 x .75 8
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1: Remove hex cap screws (1-F).
Step 2: Remove end cap (1-E) and bumper (1-C).
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-Rings (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 specied clearance
sleeve and spools (1-B) cannot be interchanged.
4: AIR END