User guide

MR90 Operator’s Manual Handle Fluid - 57
Operating in Cold Weather
CMW
®
Operating in Cold Weather
For successful operation in cold weather, follow these procedures.
• Use mix/supply pump to keep drilling fluid circulating at all times, even during transport to and from the
jobsite.
• Use antifreeze wash pump to mix antifreeze into system.
• If possible, use all drilling fluid in MR90 tank before transporting unit.