STS M-750H, Руководство оператора

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M-750H
Description, Care and Maintenance
Internal Tank Jet Gun
The Internal Jet Gun (Fig.11a) is located inside the polyethylene plastic reservoir tank, and its function is to
keep the slurry product in the tank moving. This function assures the elimination of dead spots in the tank
and a consistent mixture of fluid. The internal jet gun control valve labeled “Tank Gun” (Fig.11b) should
always be in the open position, unless you are cleaning the filter / shear (described earlier) or performing
repairs on the system. If the valve is not closed a siphoning action can occur, pulling fluid from the tank and
into the external piping. The jet gun requires little or no maintenance and will only require attention if the
jets become clogged. Flushing the entire system weekly with clear water should eliminate any problems with
this piece of the system. The fluid from the Jet Gun is at a very high pressure and extreme caution should be
used when removing and viewing through the small vent cap on the tank lid.
The tank jet gun also acts as relief valve to the system and relieves the pressure spikes caused when the flow
to the drill rig or reservoir tank is interrupted.
Fig.11a
Fig.11b
CAUTION
NEVER OPERATE THE MIXING
unit with the tank lid open.
If viewing is necessary, open
only the small inspection
vent cap in the center of the lid.
CAUTION
TO ENTER THE TANK is not recommended
Personal injury could result from
the presents of hazardous fumes,
remaining fluid or unit start-up.
DANGER
NEVER ATTEMPT REPAIRS
OR DISASSEMBLY
without shutting off the hydraulic
power source (customer supplied)
Serious personal inj ury will result.
CAUTION
WHEN THE UNIT
IS IN OPERATION,
the fluid in the piping may reach
pressures up to 50 p.s.i.