Complete the Mounting Surface
About Using Adhesives
To prevent devices separating from the
machinery they monitor and to obtain
accurate high frequency response, it's
important to choose an adhesive that
provides excellent adhesion, temperature
rating, gap filling properties, and rigidity.
Many two-part epoxies and acrylic
adhesives are suitable. Two examples are
Loctite AA330 or ClickBond CB200.
If you're mounting a tri-axial sensor, it can
be difficult to align the device to the axis of
the machine being monitored. We
recommend you first screw the pad onto
the actual sensor. Then mark the sensor’s
X-direction on the pad. Remove the pad
from the sensor before applying adhesive.
Apply 0.5g to 1g of adhesive to the center of
the mounting pad, then position the pad on
the mounting surface. Align the pad to
sensor's X-direction if required. Rotate it
back and forth until you feel slight metal-
to-metal contact. Your goal is to force most
of the adhesive out the sides, forming a
slight band around the pad.
To finish the mounting surface:
1. Prepare the mounting surface.
o
The mounting diameter should be a
minimum of 40mm (1 ½ inches) on
the machine at the mounting point.
o
On curved surfaces, use a spot facing
tool to provide a flat mounting
surface.
o
Use a steel wire brush to remove all
paint from the mounting surface.
2. Prepare the attachment point.
o
(Recommended) Drill and tap a
suitable hole in the center of the
prepared surface, perpendicular to
the mounting surface.
o
(Alternative) Cement an adhesive
mounting pad onto the prepared
surface with a suitable bonding
agent. See "About Using Adhesives" at
right.
Attach the Device
1. Align the axis of the device as needed to the
axis of the acceleration being monitored.
o
The vertical or z-axis of the Ranger Pro
sensor is the most sensitive.
o
Where possible, mount the device in the axial or radial direction of the machine.
2. Apply a suitable thread locking compound to the machine mounting stud. This is
necessary due to vibration.
3. Apply a lower-strength thread locking compound to secure the Ranger Pro device to the
mounting stud or pad.
4. To improve high frequency response and reduce transverse vibration, apply a very light
amount of silicone grease to the base of the device.
5. Attach the device to the machine surface and tighten the
stud.
a. If using the M6x1 to M8x1.25 tri-axial alignment stud,
tighten the device using a torque wrench to 6 Nm
36/56
Ranger Pro Wireless Condition Monitoring Device
User Guide
125M6113 Rev. D
