SANDPIPER M10 Non-Metallic - Manual (Page 17)

M10nmdl1sm-rev0513 Models M10 Non-Metallic Page 15
A I R D I S T R I B U T I O N VA LV E
SERVICING
To service the air valve first shut
off the compressed air, bleed pressure
from the pump, and disconnect the air
supply line from the pump.
STEP #1: See COMPOSITE
REPAIR PARTS DRAWING.
Using a 3/8" wrench or socket,
remove the four hex flanged capscrews
(item 12). Remove the air valve
assembly from the pump.
STEP #2: Disassembly of the
air valve.
To access the internal air valve
components first remove the two end
cap retainers (item 1-G) by inserting
a small flat screwdriver into the two
slotted grooves on the valve body and
gently lifting the retainers out.
Next remove the two end caps (item
1-E) by grasping the pull tab with finger
and thumb or pliers and tugging. Inspect
the two o-rings (items 1-C and 1-F) on
each end cap for wear or cuts. Replace
the o-rings if necessary.
Remove the spool (part of item
1-B) from the sleeve. Be careful not to
scratch or damage the outer diameter
of the spool. Wipe spool with a soft
clean cloth and inspect for scratches
or abrasive wear.
Inspect the inner diameter of the
sleeve (part of item 1-B) for dirt,
scratches, or other contaminants.
Remove the sleeve if needed and
replace with a new sleeve and spool
set (item 1-B). Note: The sleeve and
spool set is match-ground to a specified
clearance. Sleeves and spools cannot
be interchanged.
STEP #3: Reassembly of the air
distribution valve.
Install one end cap with o-rings
(items 1-E, 1-C, and 1-F) into one end of
the air valve body (item 1-A). Insert one
end cap retainer (item 1-G) into the two
smaller holes, align with groove in the
end cap, and push until the closed end
of the retainer is below the flat surface
of the valve body.
Remove the new sleeve and spool
set (item 1-B) from the plastic bag.
Carefully remove the spool from the
sleeve. Install the six o-rings (item 1-C)
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. 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 end cap on the
opposite end.
Install the remaining end cap with
o-rings and retaining ring.
Fasten the air valve assembly (item
1) and gasket (item 23) to the pump,
using the four hex flanged capscrews
(item 12).
Connect the compressed air line
to the pump. The pump is now ready
for operation.
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.
IMPORTANT