SK900 Operator’s Manual Maintenance - 69
Procedures
Coolant
Check before startup and every 10 hours. Change
every 1000 hours.
Check Level
1. Check at overflow bottle (2).
2. Add DEAC at fill (1) as needed to keep level at
halfway point on overflow bottle.
Change
1. Remove plug (3) to drain.
2. Install plug.
3. Add DEAC at fill to keep level at halfway point
on overflow bottle.
Dust Ejector Valve
Check dust ejector valve (shown) before startup
and every 10 hours. Ensure valve is not inverted,
damaged, plugged, or cracked.
NOTICE: See “Approved Coolant” on page 61.
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