s1fmdl1sm-REV1207 Model S1F Metallic Page 17
Air Valve with Stroke Indicator Assembly Drawing, Parts List
AIR VALVE ASSEMBLY PARTS LIST
Item Part Number Description Qty
1 031-146-000 Air Valve Assembly 1
1-A 031-143-000 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 165-098-147 Cap, End 2
1-F 530-028-550 Mufer 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
1-K 210-008-330 Clip, Safety 1
1-M 560-029-360 O-Ring 2
For Pumps with Alternate Mesh, Sound Dampening Mufflers
or Piped Exhaust:
1 031-147-000 Air Valve Assembly 1
(includes all items on 031-146-000 minus 1-D, 1-F, & 1-J).
AIR DISTRIBUTION VALVE WITH
S T R O K E I N D I C AT O R O P T I O N
SERVICING
To service the air valve first shut off the
compressed air supply, bleed the pressure
from the pump, and disconnect the air
supply line from the pump.
Step #1: See COMPOSITE REPAIR PARTS
DRAWING.
Using a 5/16" Allen wrench, remove the
four hex socket capscrews (item 12) and four
flat washers (item 39). Remove the air valve
assembly from the pump.
Remove and inspect gasket (item 19)
for cracks or damage. Replace gasket if
needed.
Step #2: Disassembly of the air valve.
To access the internal air valve
components first remove the two retaining
rings (item 1-H) from each end of the air
valve assembly using clip ring pliers.
Next remove the two end caps (item
1-E). Inspect the o-ring (items 1-G) and
1-M) for cuts or wear. Replace the o-rings
if necessary.
Remove the two bumpers (item
1-C). Inspect the bumpers for cut, wear or
abrasion. Replace if necessary.
Remove the spool (part of item 1-A)
from the sleeve. Be careful not to scratch
or damage the outer diameter of the spool.
Wipe spool with a soft cloth and inspect for
scratches or wear.
Inspect the inner diameter of the sleeve
(part of item 1-A) for dirt, scratches, or
other contaminants. Remove the sleeve if
needed and replace with a new sleeve and
spool set(item 1-A).
Step #3: Reassembly of the air valve.
Install one bumper (item 1-C) and
one end cap (item 1-E) with o-rings
(item 1-G and 1-M) into one end of the air
valve body (item 1-B). Install one retaining
ring (item 1-H), into the groove on the same
end. Insert the safety clip (item 1-K) through
the smaller unthreaded hole in the endcap.
Remove the new sleeve and spool set
(item 1-A) from the plastic bag. Carefully
remove the spool from the sleeve. Install the
six o-rings (item 1-G) into the six grooves
on the sleeve. Apply a light coating of
grease to the o-rings before installing the
sleeve into the valve body (item 1-B). Align
the slots in the sleeve with the slots in the
valve body. Insert the spool into the sleeve.
Be careful not to scratch or damage the
spool during installation. Push the spool in
until the pin touches the safety clip on the
opposite end.
Install the remaining bumper, end cap
with o-rings and retaining ring.
Fa st en th e a ir val ve a ss em bly
(item 1) and gasket (item 19) to the pump.
Connect the compressed air line to the
pump. Remove the safety clip. The pump is
now ready for operation.
Read these instructions
completely, before in-
stallation 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.
IMPORTANT
ATEX Compliant
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