s15nmdl3sm-REV1207
Model S15 Non-Metallic Page 19
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
AIR DISTRIBUTION VALVE WITH
STROKE INDICATOR OPTION
SERVICING
To service the air valve first shut off
the compressed air, bleed the pressure
from the pump, and disconnect the air
supply line from the pump.
STEP #1: See Composite Repair
and Parts Drawing.
Using a
5
/
16
" Allen wrench, remove
the four hex socket capscrews
(item 11) and four flat washers
(item 38). 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-rings
(item 1-G) for cuts or wear. Replace the
o-rings if necessary.
R e m o v e t h e t w o b u m p e r s
(item 1-C). Inspect the bumper for
cuts, wear or abrasions. 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 contaminates.
Remove the sleeve if needed and
replace both the sleeve and spool 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 an o-ring
(item 1-G) 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 small unthreaded hole
in the end cap.
Remove the new sleeve an 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-ring, and retaining ring.
Fasten the air valve assembly
(item 1) and gasket (item 19) to the
pump.
Connect the compressed air line to
the pump. The pump is now ready for
operation.
Summary of Contents for S15 Non-Metallic
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