s05mdl1sm-REV0708
Model S05 Metallic Page 17
A I R D I S T R I B U T I O N VA LV E
SERVICING
To service the air valve fi rst shut off
the compressed gas, 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
12). Remove the gas valve assembly
from the pump.
Remove and inspect gasket (item
21) 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 (par t of item 1-A) for dir t,
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
compressed air line to the pump. The
pump is now ready for operation.
Read these instructions
c o m p l e t e l y , b e f o r e
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
