Tg Gs15-50 To Tg Gs185-125 Disassembly; Tg Gs15-50 To Tg Gs185-125 Assembly - Johnson Pump TG GS2-25 Instruction Manual

4.5.4

TG GS15-50 to TG GS185-125 disassembly

1. First disassemble the flexible coupling half with the aid of a coupling extractor.
2. Remove key (1570), set screws (1480), tap bolts (1540) and long screws (1530).
3. Remove the outer bearing cover (1470) and the V-seal (1490).
4. Detach bearing bracket (1400) by loosening the screws (1410).
5. Softly tap the lip of the locking washer (1510) out of the groove of the locking nut (1500).
6. Loosen the locking nut (1500) and remove it from the pump shaft.
7. Remove locking washer (1510).
8. Push the inner bearing cover (1430) and the V-seal (1420) away from the bearing.
9. Remove the bearing (1440) from the pump shaft using the appropriate extractor.
10. Disassemble support ring (1460), outer circlips (1450), inner bearing cover (1430) and V-seal
(1420).
4.5.5

TG GS15-50 to TG GS185-125 assembly

1. Place the V-seal (1420) and the inner bearing cover (1430) on the pump shaft.
2. Fit the outer circlips (1450) and the support ring (1460) on the pump shaft.
3. Fit a new bearing (1440) on the shaft. Push it against the support ring (1460).
4. Fit a new locking washer (1510).
5. Fit the locking nut (1500) and fix it by folding a lip of the locking washer (1510) into one of the
grooves of the locking nut (1500).
6. Grease the bearing.
7. Clean the bearing bracket (1400). Fit it on the intermediate casing with the aid of screws
(1410).
8. Place both the outer and the inner ball bearing cover against the bearing. Hold both covers
together with the aid of long screws (1530).
9. Fit set screws (1480) and tap bolts (1540).
10. Adjust axial clearance (see section 3.21.6).
11. Fit the V-seal (1490), key (1570) and the flexible coupling half.
A.0500.501 – IM-TGGS/05.01 EN (03/2013)
Disassembly and assembly of
rolling bearing TG GS15-50 to 185-125
1500
1530
1450
1460
1430
1440
1420
1400
1570
1510
1540
1520
1490
1480
1470
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