TM 5-3815-221-14&P
Figure 2. Trench Hoe Range Diagram
To install the Backhoe Attachment the auxiliary gantry
GANTRY
must be installed first. then the backstop installed. Next
To install the auxiliary gantry, proceed as follows
the boom hoist is reeved and the gantry is raised to allow
Installation of the backhoe boom. Finally the hoist and
1. Support the gantry on cribbing high enough to bring
digging drum cable is installed. The following paragraphs
gantry foot pins into position with the gantry foot lugs on
will cover the topics of gantry backstops. reeving and
the revolving frame
backhoe boom.
2