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Manuals
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Johnson Pump Manuals
Water Pump
MCHZ
Instruction manual
Johnson Pump MCHZ Instruction Manual page 7
Horizontal self-priming multistage pump
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3.7
4
Commissioning
4.1
4.2
4.3
4.4
4.5
4.6
4.6.1
4.6.2
4.7
4.8
5
Maintenance
5.1
5.2
5.2.1
5.2.2
5.3
5.4
5.4.1
5.4.2
5.4.3
5.5
5.6
6
Problem solving
7
Disassembly and assembly
7.1
7.2
7.2.1
7.2.2
7.2.3
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.3.10
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
7.4.7
7.5
7.5.1
6
Connection of the electric motor
Inspection of the pump
Inspection of the motor
Preparing the pump unit for commissioning
Checking the sense of rotation
Start-up
Adjustment of shaft sealing
Stuffing box packing
Mechanical seal
Pump in operation
Noise
Daily maintenance
Shaft sealing
Stuffing box packing
Mechanical seal
Environmental influences
Lubrication of the bearings
MCHZ(S) 12,5 - 14a/b (standard bearings) - 20a/b
MCHZ(S)
16
MCHZ(S) 14a/b with heavy bearing construction
Noise
Faults
Special tools
Precautionary measures
Switch off the power supply
Pipe support
Draining the liquid
Disassembling the MCHZ(S)12,5-14a
/b-16
Replacing the stuffing box packing MCHZ
Replacing the mechanical seal MCHZS
Disassembling the pump
Disassembling the bearing housing on the drive side
Disassembly of the ball bearing
Disassembling the mechanical seal MCHZS
Disassembling the set of stage casings
Disassembling the bearing housing on the suction side
Disassembling the ball bearing on the suction side
Disassembling the mechanical seal on the MCHZS suction side
Assembly
Preparation for assembly
Sub-assembly of stage casings
Pump assembly
Assembling the stuffing box packing MCHZ
Assembling the mechanical seal MCHZS
Assembling the bearing construction
Assembling the stage set
Disassembling MCHZ(S) 14a/b heavy bearing construction
Replacing the stuffing box packing MCHZ
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MCHZ/EN (0912) 4.2
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