INOXPA HLR, Installation, Service And Maintenance Instructions

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(A) 2021/11 7.Maintenance 19
7.4.3. Disassembly of mechanical seals
As a result of the pump design, it is not necessary to disassemble the rotor case (01) in order to assemble/disassemble the
mechanical seals. Rotatory part is directly mounted to lobe housing. Stationary part is directly mounted to the rotor case.
Pump size 0
Due to the compact design, Mechanical Seals are mounted on shaft sleeves.
Consult section 7.7
Assembly and Disassembly of the Mechanical Seals
7.4.4. Rotor case disassembly
Pumps Size 0:
• Remove the Allen screws (51B) that fix the rotor case to the gear
case (06).
• Remove the rotor case (01) using Nylon hammer if necessary.
Pumps Size 1, 2, 3, 4:
• Loosen and remove the nuts (54A) that fix the rotor case (01) to
the gear case (06).
• Remove the rotor case (01) using Nylon hammer if necessary.
7.4.5. Lubrication oil drainage
• Place a container underneath the gear case (06) to collect the
lubricant oil so that it can be recycled.
• Remove the drainage plug (87) located to the rear of gear case.
HLR 0 HLR 1,2,3,4