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Manuals and User Guides for Johnson Pump MCHC. We have
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Johnson Pump MCHC manual available for free PDF download: Instruction Manual
Johnson Pump MCHC Instruction Manual (86 pages)
horizontal self-priming multistage pump
Brand:
Johnson Pump
| Category:
Water Pump
| Size: 1.98 MB
Table of Contents
Table of Contents
6
1 Introduction
10
Preface
10
Safety
10
Guarantee
11
Inspection of Delivered Items
11
Instructions for Transport and Storage
11
Dimensions and Weight
11
Use of Pallets
11
Hoisting
12
Storage
12
Ordering Parts
13
2 General
14
Pump Description
14
Applications
14
Type Code
15
Serial Number
15
Liquids
16
Construction
16
Pump Section
16
Self-Priming Section
16
Impellers
16
Bearing Construction
16
Shaft Seal
17
Application Area
17
Re-Use
17
Scrapping
17
2 Mchzs
17
3 Installation
18
Safety
18
Preservation
18
Environment
18
Piping
19
Accessories
19
Installation
20
Piping
20
Installation of a Pump Unit
20
Assembling a Pump Unit
20
Alignment of the Coupling
20
Tolerances for Aligning the Coupling
21
Connection of the Electric Motor
21
4 Commissioning
22
Inspection of the Pump
22
Inspection of the Motor
22
Preparing the Pump Unit for Commissioning
22
Checking the Sense of Rotation
22
Start-Up
23
Adjustment of Shaft Sealing
23
Stuffing Box Packing
23
Mechanical Seal
23
Pump in Operation
23
Noise
23
5 Maintenance
24
Daily Maintenance
24
Shaft Sealing
24
Stuffing Box Packing
24
Mechanical Seal
24
Environmental Influences
24
Lubrication of the Bearings
25
MCHZ(S) 12,5 - 14A/B (Standard Bearings) - 20A/B
25
MCHZ(S) 14A/B with Heavy Bearing Construction
25
Noise
25
Faults
25
6 Problem Solving
26
7 Disassembly and Assembly
28
Special Tools
28
Precautionary Measures
28
Switch off the Power Supply
28
Pipe Support
28
Draining the Liquid
28
Disassembling the MCHZ(S)12,5-14A
29
Replacing the Stuffing Box Packing MCHZ
29
Replacing the Mechanical Seal MCHZS
30
Disassembling the Pump
30
Disassembling the Bearing Housing on the Drive Side
30
Disassembly of the Ball Bearing
30
Disassembling the Mechanical Seal MCHZS
30
Disassembling the Set of Stage Casings
31
Disassembling the Bearing Housing on the Suction Side
31
Disassembling the Ball Bearing on the Suction Side
31
Disassembling the Mechanical Seal on the MCHZS Suction Side
31
Assembly
32
Preparation for Assembly
32
Sub-Assembly of Stage Casings
32
Pump Assembly
32
Assembling the Stuffing Box Packing MCHZ
33
Assembling the Mechanical Seal MCHZS
33
Assembling the Bearing Construction
34
Assembling the Stage Set
35
Disassembling MCHZ(S) 14A/B Heavy Bearing Construction
36
Replacing the Stuffing Box Packing MCHZ
36
Replacing the Mechanical Seal MCHZS
36
Disassembling the Pump
36
Disassembling the Bearing Housing on the Drive Side
36
Disassembling the Ball Bearings
37
Disassembling the Mechanical Seal MCHZS
37
Disassembling the Set of Stage Casings
37
Disassembling the Bearing Housing on the Suction Side
37
Disassembling the Ball Bearing on the Suction Side
37
Disassembling the Mechanical Seal on the MCHZS Suction Side
37
Assembling the MCHZ(S)14A/B Heavy Bearing Construction
38
Preparation for Assembly
38
Sub-Assembly of Stage Casings
38
Pump Assembly
38
Assembling the Stuffing Box Packing MCHZ
38
Assembling the Mechanical Seal MCHZS
39
Assembling the Bearing Construction on the Drive Side
40
Assembling the Stage Set
41
Assembling the Bearing Construction on the Suction Side
41
Disassembling the MCHZ(S)20A/B
42
Replacing the Stuffing Box Packing MCHZ
42
Replacing the Mechanical Seal MCHZS
42
Disassembling the MCHZ(S)
42
Disassembling the Bearing Housing on the Drive Side
42
Disassembly of the Ball Bearing
43
Disassembling the Mechanical Seal MCHZS
43
Disassembling the Set of Stage Casings
43
Disassembling the Bearing Housing on the Suction Side
43
Disassembling the Ball Bearing on the Suction Side
43
Disassembling the Mechanical Seal on the MCHZS Suction Side
43
Assembling the MCHZ(S) 20A/B
44
Preparation for Assembly
44
Sub-Assembly of Stage Casings
44
Pump Assembly
44
Assembling the Stuffing Box Packing MCHZ
45
Assembling the Mechanical Seal MCHZS
45
Assembling the Bearing Construction
46
Assembling the Stage Set
47
8 Dimensions
48
Dimensions MCHZ(S)
49
Dimensions MCHZ(S) 14A/B
50
Dimensions MCHZ(S)
51
Dimensions MCHZ(S) 20
52
Dimensions of Unit MCHZ(S)
53
Dimensions of Unit MCHZ(S) 14A
54
Dimensions of Unit MCHZ(S) 14B
55
Dimensions of Unit MCHZ(S)
56
Dimensions of Unit MCHZ(S) 20A
57
Dimensions of Unit MCHZ(S) 20B
58
9 Parts
60
Ordering Parts
60
Order Form
60
Recommended Spare Parts
60
Designs
60
MCHZ 14A/B with Heavy Bearing Construction
65
MCHZS 14A/B with Heavy Bearing Construction
67
MCHZ 20A/B
70
MCHZS 20A/B
72
10 Technical Data
74
Permissible Pressure and Temperature
75
Hydraulic Performance
76
Performance Overview 3600 Min-1
77
Tightening Moments for Bolts and Nuts
78
Noise Data
79
Noise Level of Entire Pump Unit
80
Index
82
Order Form for Spare Parts
84
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