B41-818836conductiveacetal-rev0416
Model 41-818836 Conductive Acetal Ball Valve Pump Page 13
INTERMEDIATE REPAIR PARTS LIST
Item Description
Qty
4
Bracket, Intermediate
1
7
Bushing, Plunger
2
25 O-Ring
2
28
Plunger, Actuator
2
29
Ring, Retaining*
2
*Note:
It is recommended that when plunger components are serviced,
new retaining rings be installed.
29
28
28
25
25
29
7
Intermediate Assembly Drawing
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 service the plunger bushing
components first remove the two
retaining rings (items 29) using 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.
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
LEGEND:
= Items contained within
41-718850
Air Motor Repair Kits