23
Figure 15
9.2
Head/Rail Backlash
If backlash ever appears between the gearbox
head and the arm rail, the tightness between rail
and bearings can be corrected, as follows.
Refer to Figure 16.
1. Remove side plate (F) by removing screws.
2. Loosen set screws (G).
3. Insert hex key into holes (H), and rotate the
bearing shaft. Rotate handwheel on the front
of the head; it should be snug but still easily
turned.
4. Tighten set screws (G).
5. Repeat steps 1 through 4 for opposite side
of the head.
6. Back at the original side of head, loosen set
screws (I).
7. Insert hex key into hole (J) and rotate
bearing shaft. Test the handwheel tightness
again. When satisfied, retighten set screws
(I).
8. Repeat steps 6 and 7 for opposite side of
the head.
9. Install side plates (F) on both sides of head.
Figure 16
Содержание J-1230R
Страница 11: ...11 General Features and Terminology cont Figure 4 Figure 5 ...
Страница 16: ...16 7 0 Operating Controls Figure 10 Operating Controls ...
Страница 24: ...24 10 0 Spindle Speed Chart Note A similar chart is found on the front of the drill head Table 3 ...
Страница 27: ...27 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 ...
Страница 30: ...30 13 2 1 Column and Base Exploded View ...
Страница 32: ...32 13 3 1 Arm Front Exploded View ...
Страница 34: ...34 13 4 1 Arm Rear and Clamping Gearbox Exploded View ...
Страница 38: ...38 13 6 1 Gearbox Assembly Head Exploded View ...
Страница 42: ...42 13 7 1 Rear of Head I Exploded View ...
Страница 45: ...45 14 0 Electrical Connections for J 1230R ...
Страница 47: ...47 ...