Section IV. OPERATION UNDER UNUSUAL CONDITIONS2-12. General. This section provides instructions for operating the pump unit in unusual conditions.a.b.c.d.Cold Climates. Extreme cold causes water in lines to freeze. If pump unit is shut down for long periods,open pump drain plug and allow pump to drain.For operation of equipment in protracted coldtemperatures, the choice of viscosity grade lubricating oil is specified in LO 10-4320-318-12. In coldclimates, use oil priming device for starting as follows:• Overpricing will resultinjury to personnel.WARNINGin hydraulic lock and may cause internal engine damage and• The use of starting aids like ether or other starting liquids will cause uncontrolledcombustion and possible engine backfire transmitted to starting handle. These conditionsmay cause injury to personnel and internal engine damage.(1)Clean around plug area and pull plug of priming device.(2)Fill priming chamber with lubricating oil as used in engine crankcase.(3)Replace priming plug and press down.NOTEUnder difficult starting conditions, a maximum of two primes per start is permitted.Hot Climates. In hot climates, make sure engine receives adequate ventilation. Use the viscosity gradelubricating oil specified in LO 10-4320-318-12.Dusty or Sandy Conditions,flow indicator frequently.Salt Water Area. Checkmaintenance.Protect pump unit from sand or dust as much as possible. Check air filterfor rust formations weekly.If rust formations are present, notify unit2-13. Emergency Procedures. There are no emergency operating procedures for the pump unit. Refer to systemmanual for emergency operating procedures.2-12TM 10-4320-318-14
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