41
Inspection and Maintenance: (continued)
MONTHLY – Remove guards and covers on the carriage and check the raise / lower drive assembly.
Look for belt wear such as dry rot or stress cracks. Change prior to failure at least once per year.
Check tension on the main drive belt and the left and right raise / lower belts, ensuring belts are
“taut” with no more than ½” of deflection.
Grease the top and bottom bearings that hold the left and right ball screws. We recommend JT-6
grease (no more than 3 pumps).
Grease the carriage drive shaft. We recommend JT-6 grease (no more than 3 pumps).
Remove guards and covers Remove guards and covers Remove guards and covers Remove guards and covers
proper tension
proper tension
bearings for the right
and left ball screws
Grease both bearings for the
carriage drive shaft
Grease both bearings for the
carriage drive shaft
Figures 37B, 37C and 37D shown with guards removed