g220260
Figure 119
D.
Remove the cap from the antifreeze tank for
the drilling-fluid pump (
g220258
Figure 120
1.
Antifreeze tank
3.
Antifreeze valve (shown in
the
ON
position)
2.
Drilling-fluid valve (shown
in the
ON
position)
E.
Ensure that the tank is full of antifreeze
(
).
3.
Circulate the antifreeze as follows:
A.
Open the antifreeze valve on the front side
of the drilling-fluid pump as shown in
B.
Start the machine and turn On the
drilling-fluid pump.
C.
Add antifreeze to the tank as needed
(
).
D.
When the antifreeze comes out of the drill
spindle (
), turn the pump off.
4.
Turn the machine off.
5.
Install the cap onto the antifreeze tank (
6.
Close the antifreeze valve (
).
96
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