Retrofit double-acting control unit and hydraulic top link for IHC 433, Bosch SB1

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Published Dec 6, 2022

In this video, I retrofit a double-acting SB1 control unit and a hydraulic top link on our IHC 433 and briefly test them.

Here I bought the top link, all hydraulic parts and breakaway bracket:

https://hydraulikmeister24.de/de/advanced_search_result.php?categories_id=0&keywords=hydraulic+upper link&inc_subcat=1

Here I bought the double-acting control unit:

https://www.schlepper-teile.de/de/traktorteile/hydraulik/hydraulik_steuergeraete/flanschventile/index.pmode?detailid=4460

Timeline:

00:00 Preview upper link test

00:11 Introduction and content of the video

01:42 Disassembly of control units

04:22 Result dismantling and new seals

6:07 Intermediate assembly until new parts are there

07:31 Bent screws from control block

08:03 Final assembly of control units and hoses

08:43 Final result new control unit

09:34 Reason why screws were bent

10:40 New hydraulic top link

11:27 Test hydraulic top link with three-point fork carriage

12:20 Preview box rotator UPFR16

13:22 Farewell

My gear:

IHC 433 tugboat

Husqvarna 540i XP, 40 cm bar, Oregon 80TXL chain

Husqvarna 535i XP, 12" bar, Oregon 80TXL chain (rebuilt from 3/8 to .325)

2x Bli200 battery

1x Bli300 battery

Jansen FS35 Speed log splitter

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