B41-818836conductiveacetal-rev0416
Model 41-818836 Conductive Acetal Ball Valve Pump Page 11
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 capscrews (items
11). Remove the air valve assembly
from the pump.
Remove and inspect gasket (item
22) for cracks or damage. Replace
gasket if needed.
Step #2:
Disassembly of the air valve.
Using a 3/8" wrench or socket,
remove the eight hex capscrews
(items 1-E) that fasten the end caps to
the valve body. Next remove the two
end caps (items 1-D). Inspect the two
o-rings (items 1-F) on each end cap for
damage or wear. Replace the o-rings
as needed.
Remove the bumpers (items 1-C).
Inspect the bumpers for damage or
wear. Replace the bumpers as needed.
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-D), with two o-rings
(items 1-F), and fasten with four hex
capscrews (items 1-E) to the valve body
(item 1-B). Align hole in end cap with roll
pin on valve body.
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-F)
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. Install the
remaining bumper and end cap (with
o-rings), and fasten with the remaining
hex capscrews. Align hole in end cap
with roll pin on valve body.
Fasten the air valve assembly (item
1) and gasket to the pump.Connect the
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
