s05conductiveactalsm-rev1218
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12
• Model S05 Conductive Acetal
Intermediate Assembly
IMPORTANT
When the pumped product source is at a higher
level than the pump (flooded suction condition),
pipe the exhaust higher than the product source
to prevent siphoning spills. In the event of a
diaphragm failure a complete rebuild of the
center section is recommended.
ACTUATOR PLUNGER SERVICING
To service the actuator plunger first shut off the compressed air supply, bleed the
pressure from the pump, and disconnect the air supply line from the pump.
Step #1: See PUMP ASSEMBLY DRAWING.
Using a 3/8" wrench or socket, remove the four capscrews (items 11). Remove
the air inlet cap (item 8) and air inlet gasket (item 19). The pilot valve assembly (item
3) can now be removed.
Step #2: Servicing the actuator plungers.
See PUMP ASSEMBLY DRAWING.
The actuator plungers (items 28) can be reached through the stem cavity of
the pilot valve in the intermediate bracket (item 4). To service bushings, o-rings and
retaining rings, see Intermediate Drawing.
Remove the plungers (items 28) from the bushings (item
7) in each end of the intermediate cavity. Inspect for wear or damage.
Replace plunger as needed. Apply a light coating of grease to each
o-ring and re-install the plungers in to the bushings. Push the plungers in as far
as they will go.
Step #3: Re-install the pilot valve assembly into the intermediate assembly.
Be careful to align the ends of the stem between the plungers when inserting
the stem of the pilot valve into the cavity of the intermediate.
Re-install the gasket (item 19), air inlet cap (item 8) and capscrews
(items 11).
Connect the air supply to the pump. The pump is now ready for operation.
PLUNGER BUSHING, O-RING, AND RETAINING RING SERVICING
To s e r v i c e t h e p l u n g e r b u s h i n g c o m p o n e n t s f i r s t
r e m o v e t h e t w o r e t a i n i n g r i n g s ( i t e m s 2 9 ) u s i n g a
small flat screwdriver. *Note: It is recommended that new retaining rings be installed.
Next remove the two plunger bushings (items 7). Inspect the bushings for wear
or scratches. Replace the bushings as necessary.
Inspect the two o-rings (25) for cuts and/or wear.
29
28
28
25
25
29
7
INTERMEDIATE REPAIR PARTS LIST
Item
Part Number
Description
Qty
4
114-023-157
Bracket, Intermediate
1
7
135-036-506
Bushing, Plunger
2
25 560-001-360 O-Ring
2
28
620-019-115
Plunger, Actuator
2
29
675-042-115
Ring, Retaining*
2
*Note: It is recommended that when plunger components are serviced
, new retaining rings be installed.
4: AIR
END
