Removing Gap Section; Installing Removable Gap Section; Belt Replacement And Adjustment; Aligning Tailstock To Headstock - Jet GH-1440ZX Operating Instructions Manual

Removing Gap Section

1. To remove the gap section, remove four hex
socket cap screws, and two hex cap bolts.
2. Tighten the hex nuts on the tapered
alignment pins to loosen the pins. Once
loosened, they can be removed.
3. Gap section can now be removed.

Installing Removable Gap Section

1. Clean the bottom and the ends of the gap
section thoroughly.
2. Set gap section in place and align the ends.
3. Loosen the nuts on the locating pins and
push down through the gap into the lathe
bed.
4. Replace four hex socket cap screws and
tighten alternately until all are snug.

Belt Replacement and Adjustment

1. Disconnect machine from power source.
2. Open end gear cover, remove lower rear
cover and lower side cover. This will expose
the motor and v-belts.
3. Loosen upper hex nut (A, Figure 19). Place
scrap piece of wood under motor to act as
lever. Lift motor up and block temporarily.
4. Remove belts. Install new belts onto pulleys.
5. Lift up on motor and remove temporary
blocking.
6. Tension belts by loosening lower nut (B,
Figure 19) and tightening upper nut (A,
Figure 19) until light finger pressure causes
approximately 3/4" deflection on each belt.
7. Install covers and connect lathe to the
power source.

Aligning Tailstock to Headstock

1. Fit a 12" ground steel bar between centers
of the headstock and tailstock (Figure 20).
2. Fit a dial indicator to the top slide and
traverse the center line of the bar.
3. If adjustment is needed, align the tailstock
using the off-set screws (D, Figure 21) until
the tailstock is aligned.
Figure 19
Figure 20
Figure 21
20