TM 5-3805-280-10
Rod
changer
ADDING A ROD (AUTO MODE S1)
K4
M3
M4
E
K1
K3
C2
K2
B4
C3
S1
L
F
G
H
Make sure :
9)
Depress M4 button while keeping the lever
S the carousel is properly positioned i.e. a
in K2 direction to screw the rod into the bottom cou-
rod housing is in front of the opening of the rod
pling.
catcher (the indicator L is then alight).
10) Swing the rod changer lever in K3 direction.
S the rod clamp arms are swung into the rod
Hold the position for 1 second (the rod clamps open
changer.
and the rod clamp arms swing into the carousel). #
S the rod clamps are closed onto a rod.
S the mode selector is on S1 position.
11)
Open the hydraulic centralizer (switch E).
12) Start air flushing (switch F) and drilling
1)
When drilling with the first rod is completed,
(drifter lever in C3 position).
close the centralizer onto the coupling (switch E).
# The cycle will then end automatically : the car-
2)
Break loose the drifter shank (depress the
ousel rotates to bring the following rod into the rod
thread loosening button H and pull back the drifter
clamps, the rod clamps close onto the rod.
control lever in C2 direction to reverse the rotation).
The rotation of the shank must be visible when looking
at the connection, air flows from the connection.
Stop air flushing (switch F).
3)
Unscrew the drifter shank from the coupling
(lever in K4 position).
4)
After the drifter shank has been discon-
nected from the coupling, depress M3 button to lubri-
cate the shank threads.
5)
Raise the drifter to the top of the drill guide
(feed lever in B4 direction).
6)
Swing the next extension rod towards the
drill guide (rod changer lever in K1 direction. Hold the
position for 1 second.)
7)
Depress M3 button to lubricate the rod
threads.
8)
Screw the drifter shank into the top coupling
(rod changer lever in K2 direction).
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