Grizzly MODEL G0765 Lathe User Manual


 
Model G0765 (Mfd. Since 12/13)
-61-
Replacing Timing Belt
1. DISCONNECT LATHE FROM POWER!
2. Remove end cover, rear motor cover, and
electrical cabinet.
7. Slide off old timing belt and install the new
one, making sure that belt teeth are seated
together with pulley teeth (see Figure 93).
Figure 91. Components to be removed to
replace timing belt.
3. Using a fine-tip felt marker, place alignment
marks on inner spanner nut and gear shown
in Figure 91. The purpose or these marks is
to help re-install the outer spanner nut.
4. Carefully remove outer spanner nut, speed
sensor, and sensor wheel.
5. Remove side cover assembly.
6. Loosen motor mount hex nuts shown in
Figure 92.
Speed
Sensor
Side
Cover
Outer
Spanner
Nut
8. Tension timing belt. (Refer to Tensioning
Timing Belt on Page 60 for detailed instruc-
tions.)
9. Check alignment marks you made on inner
spanner nut and gear in Step 3. The marks
should still be aligned.
—If marks are not aligned, adjust inner span-
ner nut as needed to align them.
10. Re-install side cover, sensor wheel, speed
sensor, and outer spanner nut.
11. Re-install electrical cabinet, rear motor cover,
and end cover.
Figure 93. Timing belt installed.
Timing
Belt
Gear
Sensor
Wheel
Inner
Spanner
Nut
Figure 92. Location of motor mount hex nuts.
Motor
Mount
Hex Nuts