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HD45 User Manual ◄ 11
OPERATION
COLD WEATHER OPERATION
If the drill is to be used during cold weather, preheat
the hydraulic uid at low engine speed. When using the
normally recommended uids, uid tempera ture should
be at or above 50 °F/10 °C (400 SSU/ 82 centistokes)
before use.
Damage to the hydraulic system or drill can result from
use with uid that is too viscous or too thick.
UNDERWATER MODEL
PREVENTATIVE MAINTENANCE
After each use, the movable portions of the tool that
were exposed to water should be ushed with a water
displacing oil such as WD40®. Remove any remaining
water and debris as follows:
1. Turn the tool upside down (without the tool bit) and
spray oil through the drive hex and side holes in the
motor assembly to displace any remaining water in
the lower piston cavity.
2. Spray oil into the On/Off valve trigger slot area.
3. Dip or spray the entire tool.
4. Cycle the tool hydraulically several times before
storing away.