Tg Gs15-50/Tg Gs23-65 - Johnson Pump TG GS2-25 Instruction Manual

4.7.3

TG GS15-50/TG GS23-65

Dissasembly
1. Remove ball bearing (1440) and bearing bracket (1400) as described in bearing disassembly,
section 4.5.4.
2. Remove pump cover (4000) and idler (0600).
3. Remove bearing cover (2200), outer circlips (2240) from the shaft.
4. Push the shaft with rotor (0700) and lock the inner needle bearing ring (2260) towards the front.
5. Detach intermediate casing (0020) by loosening the screws (1200) and remove.
6. Remove lip seal (2270), inner circlips (2230) and outer part of the needle bearing (2250).
7. Remove outer circlips (2240) and inner part of the needle bearing (2260) from the shaft.
Assembly
1. First assemble seal (3010) and shim ring (2280), see sections 4.6.5 and 4.6.6.
Fit the intermediate casing (0020) and tighten bolts (1200).
2. Fit the lip seal (2270) using the conical assembling bush again.
Lubricate the lip seal with a lubricant to facilitate the assembly.
3. Grease the needle bearing outer parts (2250) before fitting.
4. Fit one inner circlip (2230), the needle bearing (2250) and the other second inner
circlip (2230).
5. Fit the inner ring of the needle bearing (2260) on the shaft using an appropriate tool.
6. Fit the outer circlip (2240) on the shaft in the shaft groove.
7. Fit the bearing cover (2200).
54
2210 1520 2200
2260 2230
2280
0020 3010
2230
2260
2200
2250
1200 2270
1410
2240
1430 1440
1420
1460
1400
1450
1530
1570
1540
1520
1470
1490
1500
1510
1480
A.0500.501 – IM-TGGS/05.01 EN (03/2013)