Testing on the boom first makes sense because it's easily accessible and manageable, despite its intricacies. The perception of relatively low resistance might stem from inadequate adhesion of the orifice flat surface. The limitations of the tools at my disposal might warrant further testing and improvements.
When I purchased this excavator, the thick and lengthy boom was considered an advantage compared to other models. However, issues like cylinder overrun and damage to swing components due to rotational inertia (such as shaft keys and pinions) have arisen, causing a challenging situation. To address this, I've been conducting various tests whenever I find the time.
Regarding the DIN 2353 fittings, using commonly available flow control valves meant converting them to PT type, which isn't straightforward. Firstly, the use of swivel-type fittings is essential for installation, and secondly, I'm unable to find a converter to switch from DIN to PT based on my abilities. DIN to PF type converters are available, but PF type flow control valves aren't common in KR.
Ultimately, it seems that going through DIN to PF and then PF to PT conversions will be necessary to use flow control valves. If the current restrictor mechanism being tested proves ineffective, my plan is to purchase these adapters and install flow control valves. Each flow control valve costs around 12 USD in local shop, which is an affordable price.
DIN Socket
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DIN Adapter(Nipple)
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Негізгі бет Oneway Flow Restrictor Test
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