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Message: <blockquote data-quote="bobbie-g" data-source="post: 1665" data-attributes="member: 26"><p>I believe Tazza is correct about the lamp indicating filter blockage, although it is noted as a "transmission warning light." The operator's manual says " Low transmission charge pressure, hydraulic filter needs replacement, or high fluid temperature. Stop the eignie if the light comes "ON"." Hydraulic/hydrostatic filter replacement interval is listed as 250hrs. The bronze filter(s) Tazza is referring to are actually a pair, located in return (low pressure) lines. They are inside aluminium housings. Cab must be tilted backwards to access them. (And with no bucket, the arms raised/supported by an 8' 4x4 for safety and the cab raised, the 751C is very close to tipping over backwards, put some jackstands under the housing under the engine, I very nearly dumped mine over backwards). One filter is located just under the hydrostatic reservoir in a shiny housing about 1.5 inches in diameter and 3 inches long. The other is a bit harder to find, being buried down low near the left two drive shaft housings. Remove the exterior plate between the two left wheels for access, but expect to do a lot of reaching and stretching to remove and replace it. I believe both have o-rings at either end, so are not too tight, fortunately, because the wrench ain't made what will easily fit down in there and still turn. Having said all that, I replaced the bronze elements ($20 each for the elements, $30 each if you buy the element/housing combo) at 1100 hrs and found only a little bit of visible debris, but who knows how much invisible stuff they had collected. I'm guessing they are what's referred to as "case drain filters" in the Operation and Maintenance manual, and the listed change interval is 1000 hrs. If you try this, it's not too difficult, but you should replace all the hydrostatic fluid at the same time (also 1000 hr interval), since it's much easier to work with the filters if the tank is empty. Then you know you have clean fluid until you rent your next tool, then you're back to polluted again.... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /> Bob</p></blockquote><p></p>

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