High Pressure
Sand Probe Relay
Model 1S04
Operation Manual
OMP # 1S04 6/09
2.
Place the 7/16” wrench on
the lock nut and rotate it
clockwise while holding the
knob (Item 1) until the knob
is loose. Rotate the knob
counterclockwise and
remove it from the shaft (Item
5). Pull the snap ring off of
the shaft using pliers.
3. Remove any piping
connections from the body
(Item 6) that would prevent it
from being removed. The
body should now be able to
unscrew from the base (Item
9).
4.
Push the shaft (Item 5)
through the valve body.
Then remove the piston (Item
7) and Sleeve (Item 8). Use
the pick to remove the piston
seal and backup ring.
5.
The seals on the shaft may
now be replaced.
IV
.
REPAIR AND ASSEMBLY
1.
Remove the piston seal and shaft
seals.
2.
Using an appropriate safety solvent,
clean all parts.
3.
Inspect the shaft for any major
damage such as burrs, nicks, etc.
Also, inspect for straightness.
Replace the shaft assembly if
damaged.
4.
Examine the relay body and head
bores for any damage such as burrs,
nicks, etc. Replace any damaged
pieces.
5.
Replacement seals from a Ruelco
product repair kit are required for
proper relay performance. It is
recommended that all seals be
lubricated before and after
installation with a high quality
silicone base grease.
6.
Install the piston seal into the base.
NOTE: This is a cup type seal. The
inside of the cup should be facing
down and toward the flowline as
shown. Place the backup into the
base after the piston seal.
7.
Install the sleeve into the base,
followed by the piston.
8.
Lubricate the shaft o-rings (Item 4)
and install on the shaft (Item 5).
9.
Place the shaft into the relay body.
10.
Screw the body/ shaft onto the base
and tighten.
11.
Now, replace the snap ring (Item 3).
12.
Thread the lock nut over the shaft
subassembly until it reaches the last
thread. Do not tighten. Rotate the
knob over the shaft thread until it
touches the lock nut. Hold the knob
and turn the lock nut
counterclockwise with the 7/16”
wrench until firmly tightened.
