Signode TENSION-WELD VT-16HD Operation, Parts And Safety Manual page 26

OPTIONAL WEAR RING
An optional wear ring is available to protect the tension motor
from harsh operating environments. This wear ring can be used
with either the VT-16 or the VT-19 tools. To install the wear ring
spread open the ring gap using an appropriate spreading tool.
Begin to slip the ring over the end of the tension motor. Using a
rubber mallet, gently tap the wear ring down onto the end of the
air motor.
OPTIONAL MOTOR GUARD
An optional motor guard is available to protect the
motor gear housing from harsh operating
environments. This motor guard can be used with
either the VT-16 or the VT-19 tools. Install the
motor guard to the bearing cap using two M5 x 8
button head cap screws. The white tension piston
must be raised by hand to install the guard under
piston. Once properly installed, the tension piston
should contact the motor guard.
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