TM 5-3820-239-15
so that the handle is in the same di-
"UP" position. To tilt the drill
rection as the piping.
guide down--move the guide dump
lever to the "DOWN" position.
(2) Position the drill guide as required
(d) To swing the drill guide to the
by following the procedure:
right--move the guide swing lever
(a) To raise the boom--move the boom
to the "RIGHT POSITION". To
lift lever to the "UP" position. To
swing the drill guide to the left--
lower the boom--move the boom
move the guide swing lever to the
lift lever to the "DOWN" posi-
"LEFT POSITION".
tion.
(e) To raise the drill guide-move the
(b) To move the boom to the right-
guide extension lever to the "IN"
move the boom swing lever to the
position. To lower the drill
"RIGHT" position. To move the
guide--move the guide extension
boom to the left-move the boom
lever to the "OUT" position.
swing lever to the "LEFT" posi-
(f) Turn off pump when not using
tion.
hydraulic controls by positioning
(cl To tilt the drill guide up-move
the throttle valve so that the han-
`the guide dump lever to the
dle is perpendicular to the piping.
2-7