Changing the Drilling-fluid-pump,
Charge Filter
1.
Park the machine on a level surface, stop the engine,
and remove the ignition key.
2.
Open the front hood.
3.
Align a drain pan or several rags under the charge filter
(
Figure 156
1.
Charge filter
4.
Rotate the charge filter counterclockwise and remove
the filter (
Note:
Discard the charge filter.
5.
Using a clean rag, wipe clean the surface where the
charge filter seats with a clean rag.
6.
Align the charge filter to where it seats, and rotate it
clockwise until the seal of the filter contacts the adapter
(
Preparing the Drilling-fluid
System for Cold Weather
Prepare the machine as follows after drilling if the temperature
will be below 0° C (32° F).
1.
Park the machine on a level surface, stop the engine,
and remove the ignition key.
2.
Prepare the machine to circulate the antifreeze as
follows:
A.
Place a drain pan under the drill spindle for the
leaked antifreeze (
).
1
G022139
2
Figure 157
1.
Drill spindle
2.
Drain pan
B.
Ensure that the cap is installed on the drilling-fluid
pump inlet (
Figure 158
1.
Drilling-fluid pump inlet
C.
Remove the cap from the antifreeze tank for the
drilling-fluid pump (
).
111