Comet MTP MC 25 - CHECKING AND CONNECTING UP TO THE POWER SUPPLY; Skilled Technician Responsibilities

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•Havea Skilled Technician performtheinspectionsrequiredbyspecialmaintenance.
•Wearclothingandpersonalprotectiveequipmentabletoprovideadequateprotectionfromanyhigh-pressure
jetsandchemicalproductsused.
Carry out the preliminary activities indicated in the manual of the machine in which the motor pump
is integrated and in that of any combustion engine tted; unless otherwise indicated, with respect to the
motor pump, always remember the following.
a)Withtheengineoandthemotorpumpcompletelycooleddown,checktheoillevelcorrespondstothe
referencemarkonthepositive-displacementcompensator(6),oronthespecicoillevelindicator(MTPP48
andMTPYA65).
 Foranytouchups,refertothetypesoflubricantsindicatedintheparagraph
“specIfIcatIons and technIcal
data” .
WARNING
•InthecaseoftheMTPP48motorpumps,a Skilled Technician willhavetobecontactedforanyoiltop-ups
becausetheoilllingcapisnotdirectlyaccessible.
b) Ifpresent,checkthecorrectinationofthepressureaccumulatorbymeansofanormalcompressed-airgun
withpressuregaugeofthetypeofthoseusedtochecktyreinationpressure.
Inationdependsonthepressurerangewithinwhichthemotorpumpwillbeoperating,accordingtothe
indications of the following table:
OPERATING PRESSURE ACCUMULATOR INFLATION PRESSURE
bar psi bar psi
2-5 29-73 2 29
5-10 73-145 2-5 29-73
10-20 145-290 5-7 72-102
20-50 290-725 7 102
CAUTION
•Incaseofoperationatverylowtemperatures,makesurethereisnoiceinsidethemotorpumpandpipes.
•Performthechecksrequiredbyroutinemaintenance,withspecialreferencetothoserelatingtotheoil.
CHECKING AND CONNECTING UP TO THE POWER SUPPLY
MOTOR PUMPS WITH ELECTRIC MOTOR
WARNING
•Alsofollowtheinstructionscontainedinthemanualofthemachineinwhichthemotorpump is
integrated.
•A Skilled Technician must:
-makesurethepowersupplyofthemotorpumpfeaturesasuitablefuseandisinconformitywiththedetails
shownontheplate(12):inparticular,thepowervoltagemustnotbeoutsidethe±5%range;
-connectaplugincompliancewiththelawsapplicableinthecountrywherethemachineinwhichthemotor
pumpisintegratedisinstalled,inthecaseofthepowerleadbeingwithoutsuchplugandofthemotorpump
notbeingpermanentlyconnectedtoapowersupplysource.
•econnectiontothepowersourcemustbemadebya
Skilled Technician andmustbeincompliancewith
therequirementsofIEC60364-1.
 epowersupplylineofthemotorpumpmustbettedwithaswitchabletointerruptthepowersupply
whenevergrounddispersionexceeds30mAfor30msorwithadevicefortestingtheearthcircuit.
•Ifthemotorpumpdoesnothaveapowerleadandplug,oranotherdevicefordisconnectingitfromthemains,