SANDPIPER S05 Non-Metallic - Manual (Page 17)

520-211-000 3/03 Rev C Model S05 Non-Metallic Design Level 2 Page 17
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
SERVCING
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
distribution valve.
Remove safety clip (item 1-H) 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 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 two bumpers (items
1-D) and inspect for wear or damage.
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.
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 the spool with a soft
clean cloth and inspect for scratches or
abrasive wear.
Inspect the inner diameter of the
sleeve (par t of item 1-B) for dir t,
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 bumper (item 1-D) and 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. Install safety clip (item
1-H).
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
touches the bumper on the opposite end,
aligning the actuator pin through the end
cap.
Install the remaining bumper, end cap
with o-rings, and retainer. Be careful to
align the end cap onto the actuator pin.
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.
IMPORTANT: Remove the safety
clip. The pump will not function properly
until it is removed. The pump is now
ready for operation.