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Model G0746/G0749 (Mfg. Since 3/13)
SECTION 6: 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 cor-
rectly or not requiring you to reset it before
starting the machine again.
• Oil level not visible in the sight glasses.
• Damaged or malfunctioning components.
Daily, Before Operations
• Check/add headstock oil (Page 67).
• Check/add gearbox oil (Page 68).
• Check/add apron oil (Page 69).
• Lubricate the bedways (Page 69).
• Add oil to the ball oilers (Page 70).
• Clean/lubricate the leadscrew (Page 69).
• Disengage the feed lever and feed selection
lever on the apron (to prevent crashes upon
startup).
• Ensure carriage lock bolt is loose.
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 50 Hours
• Lubricate end gears (Page 71).
Every 1000 Operating Hours
• Change the headstock oil (Page 67).
• Change the gearbox oil (Page 68).
• Change the apron oil (Page 69).
Annually
• Check/level bedway (Page 27).
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 wet/dry shop vacuum that is
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 deeper 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
vulnerable to rust if left unprotected (especially
parts that are exposed to water soluble cutting
fluid). Use a quality ISO 68 way oil (see Page 64
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.