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Model G0768/G0769 (Mfd. Since 8/15)
-71-
SECTION 7: MAINTENANCE
Schedule
Ongoing
To maintain a low risk of injury and proper
machine operation, if you ever observe any of the
items below, shut down the machine immediately
and fix the problem before continuing operations:
• Loose mounting bolts or fasteners.
• Worn, frayed, cracked, or damaged wires.
• Guards or covers removed.
• Emergency Stop button not working correctly
or not requiring you to reset it before starting
the machine again.
• Damaged or malfunctioning components.
Daily, Before Operations
• Add oil to the ball oilers (Page 72).
• Lubricate the leadscrew and carriage rack
(Page 73).
• Lubricate the bedways (Page 73).
• Clean/lubricate the cross slide and com-
pound slide (Page 73).
• Disengage the half nut on the carriage (to
prevent crashes upon startup).
• Lubricate column ways—G0769 Only (Page
75).
• Lubricate quill outside surface—G0769 Only
(Page 75).
Daily, After Operations
• Press the Emergency Stop button (to prevent
accidental startup).
• Vacuum/clean all chips and swarf from bed,
slides.
• Wipe down all unpainted or machined sur-
faces with an oiled rag.
Every 90 Hours of Operation
• Lubricate quill rack—G0769 Only (Page 75).
• Lubricate headstock gears—G0769
(Page 76).
Every 120 Hours of Operation
• Lubricate Z-axis leadscrew—G0769 Only
(Page 76).
Annually
• Lubricate end gears (Page 74).
Cleaning / Protecting
Because of its importance, we recommend that
the cleaning routine be planned into the workflow
schedule.
Typically, the easiest way to clean swarf from the
machine is to use a brush and wet/dry shop vacu-
um that are dedicated for this purpose. The small
chips left over after vacuuming can be wiped up
with a slightly oiled rag. Avoid using compressed
air to blow off chips, as this may drive them deep-
er into the moving surfaces or cause sharp chips
to fly into your face or hands.
All unpainted and machined surfaces should be
wiped down daily to keep them rust free and in top
condition. This includes any surface that is vulner-
able to rust if left unprotected. Use a quality ISO
68 way oil (see Page 68 for offerings from Grizzly)
to prevent corrosion.
Always disconnect power
to the machine before
performing maintenance.
Failure to do this may
result in serious person-
al injury.