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3.
Clean any debris away from the top of the
oil cup before lifting the lid.
4.
Using the oil can, soak the cotton string
inside the oil cup with ISO 68 or SAE 20 non-
detergent oil.
Note: Do not attempt to fill the cavity lead-
ing to the oil cup. Keeping the cotton string
soaked with oil will slowly lubricate the relat-
ed devices.
Table Ways and Lead Screws
1.
Make sure the one-shot oiler reservoir is at
least
⁄
full of ISO 68 or SAE 20 non-deter-
3
4
gent oil.
2.
To pump lubricant to the X, Y, and Z-axis
table ways, and the X and Y-axis lead
screws, press down on the pump handle and
release it (see Figure 58).
Pump Handle
Oil
Reservoir
Figure 58. Model G9901/G9902/G9903 one shot
oiler.
3.
Move the table through the X, Y, and Z-axis
paths to distribute the lubricant evenly.
Note: There should be a thin film of oil on the
table ways when adequately lubricated.
Elevation Lead Screw
1.
Raise the knee up so that you can access the
elevation lead screw grease fitting, as shown
in Figure 59.
Model G9901/G9902/G9903 Milling Machine
Filler Cap
Figure 59. Elevation lead screw grease fitting.
3.
Clean the outside of the grease fitting before
and after each use to keep out contami-
nants.
4.
Use a medium weight white lithium grease
and a grease gun to add approximately
teaspoon of grease.
5.
Move the knee through the full range of
movement to distribute the lubricant evenly.
Ram Dovetail Way
1.
DISCONNECT THE MILL FROM POWER!
2.
Move the ram horizontally as needed, and
apply a thin film of ISO 68 or SAE 20 non-
detergent oil to the full length of the ram way
(see Figure 60).
Figure 60. Ram dovetail way.
⁄
1
2
-43-
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