Johnson Pump TG GS2-25 Instruction Manual page 5

3.21 Maintenance instructions ............................................................................... 43
3.21.1 General .............................................................................................................43
3.21.2 Preparation .......................................................................................................43
3.21.3 Specific components .....................................................................................45
3.21.4 Front pull-out ...................................................................................................47
3.21.5 Back pull-out ....................................................................................................47
3.21.6 Clearance adjustment ..................................................................................47
3.21.7 Designation of threaded connections. .......................................................48
4.0 Instructions for assembly and disassembly ..............................................49
4.1 General ............................................................................................................... 49
4.2 Tools .................................................................................................................... 49
4.3 Preparation ........................................................................................................ 49
4.4 After disassembly ............................................................................................. 49
4.5 Anti-friction bearings ....................................................................................... 50
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.6 Mechanical seal ................................................................................................ 52
4.6.1
4.6.2
4.6.3
4.6.4
4.6.5
4.6.6
4.7 Pumps ................................................................................................................. 53
4.7.1
4.7.2
4.7.3
4.7.4
4.8 Relief valve ......................................................................................................... 56
4.8.1
4.8.2
A.0500.501 - IM-TGGS/05.01 EN (03/2013)
3.21.2.1 Surroundings (on site) .............................................................................. 43
3.21.2.2 Tools .............................................................................................................. 43
3.21.2.3 Shut-down ................................................................................................... 43
3.21.2.4 Motor safety ................................................................................................ 43
3.21.2.5 Conservation ............................................................................................... 43
3.21.2.6 External cleaning ........................................................................................ 44
3.21.2.7 Electrical installation .................................................................................. 44
3.21.2.8 Draining of fluid ......................................................................................... 44
3.21.2.9 Fluid circuits ................................................................................................ 44
3.21.3.1 Nuts and bolts ............................................................................................ 45
3.21.3.2 Plastic or rubber components ................................................................. 45
3.21.3.3 Flat gaskets ................................................................................................. 45
3.21.3.4 Filter or suction strainer ............................................................................ 45
3.21.3.5 Anti-friction bearings ................................................................................. 45
3.21.3.6 Sleeve bearings .......................................................................................... 46
3.21.3.7 Shaft seal - Mechanical seal .................................................................. 46
3.21.7.1 Threaded connection Rp (example Rp 1/2) ........................................ 48
3.21.7.2 Threaded connection G (example G 1/2) ............................................ 48
General .............................................................................................................50
TG GS2-25, TG GS3-32 and TG GS6-40 disassembly .....................50
TG GS2-25, TG GS3-32 and TG GS6-40 assembly ..........................50
TG GS15-50 to TG GS185-125 disassembly .......................................51
TG GS15-50 to TG GS185-125 assembly ............................................51
General .............................................................................................................52
Preparation .......................................................................................................52
Special tools ....................................................................................................52
General instructions during assembly .....................................................52
Assembly of the rotating part ......................................................................52
Assembly of the stationary seat .................................................................53
General .............................................................................................................53
TG GS2-25/TG GS3-32/TG GS6-40 ....................................................53
TG GS15-50/TG GS23-65 .......................................................................54
TG GS58-80/ TG GS86-100/ TG GS 185-125 ..................................55
Disassembly ....................................................................................................56
Assembly .........................................................................................................56
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