SECTION 6 START-UP AND SHUT-DOWN
6.1 Start-Up Procedure
During start-up, follow proper operating and safety procedures for dealing with well control and well service
manifold valves. This start-up procedure does not apply to well control, but to the recommended start-up of the
MSI Hybrid™ Well Service Pump after well control procedures have been followed.
1) Prior to operating the pump, check all electrical, fluid, and mechanical connections.
2) Check that the drive shaft is securely attached and that all safety guards are securely in place.
3) Verify that the MSI Hybrid™ Well Service Pump discharge and suction flow lines are open and not
dead-headed.
4) Ensure that the pressure relief valve is properly installed, set to a safe pressure relief setting, and that
no blockage or closed valves are restricting the relief line.
5) Check the indicator on the eight 12-point Maxbolts™. Each bolt has a mechanical indicator in the
face which represents bolt tension. The Maxbolts™ should all indicate at approximately 90%-95%
on the dial. If this is not the case, see tightening instructions in Section 9.6. NOTE: The
Maxbolts™ do not need regular adjusting; only make adjustments if the indicators indicate a drop in
tension. Replace immediately if the tension indicator is not functioning.
*If your MSI Hybrid™ Well Service Pump is equipped with an Xtreme style fluid end, it will have large
Maxbolts™ installed longitudinally through the fluid end. The tension on these bolts is pre-set at the
factory and should not need adjustment.
6) Check the pump lubrication oil reservoir for fluid level and for proper oil type (See Section 5.8).
7) Start the lubrication pump and allow it to circulate. Make sure lubrication pressure and flow is
within the range shown in Section 5.1. Check for leaks or unusual noises. For unusual noises, see
Section 13. Allow the lubrication pump to run long enough to warm up the oil if this is a cold
weather start-up. Starting the well service pump with cold oil may damage moving parts due to poor
circulation. Allow the oil pump to run until the oil temperature reaches approximately 70°F.
8) Open any valves in the suction line. Start the centrifugal charge pump that provides flow and
pressure to the MSI Hybrid™ Well Service Pump inlet. Check for leaks or unusual noises. For
unusual noises see Section 13.
9) Start the fluid end plunger packing lubrication system, and check to see if it is adjusted to the
recommended output rating (see Section 5.7). Do not proceed until the packing gland is primed with
lubricant.
CAUTION: Be sure that the packing access port safety cover is fastened in place before starting the
pump. See Section 11.1
10) Put the prime mover into low gear, and start the pump.
MSI - A Division of Dixie Iron Works, Ltd. All rights reserved.
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