![](/rp/kFAqShRrnkQMbH6NYLBYoJ3lq9s.png)
Brake pump failures in 740B CAT | Heavy Equipment Forums
2024年12月17日 · Guys need your help in sorting brake pump failures in 740B Cat. Could you share the possible cause & remedies for the same
490E sensor failures - Heavy Equipment Forums
2021年10月6日 · I want to pick your mind with a problem I am having with the 490E. It is repeatedly causing the failure of both the PD sensor and the angle sensor. The last ones worked for about a week, then went south. I have been using after market units made in China. When I last replaced both units...
Air Conditioner Compressor Failures | Heavy Equipment Forums
2012年5月17日 · Try telling owner operators that after you have the system apart and found a failure and they are late picking up there next load , stuff like that is why i started the brake clean method flushing both directions till clean then hit it with the ac flush , they were warned and was noted on work order, service writer made them read it before they signed.
Geith pressure switch failures and more... - Heavy Equipment Forums
2024年6月22日 · I've been with my new employer for 10 weeks, and I've had to replace 7 (seven) pressure switches in the GEITH coupler circuits. They have been mainly on Kobelco machines, but also volvo and komatsu. The failure is either the little rubber plug being displaced in the deutsch body, or the entire...
D10T - 777F - D8T Cam failures | Page 2 - Heavy Equipment Forums
2013年5月15日 · I just re-read the OP and did some checks on in our records. We have NEVER had low-hours failures of the cam follower rollers or cams on our engines. We had 2 failures. First was one valve on a C-18 in an 834H at around 7000 hours. Needed a cam & we replaced all 3 followers on that cylinder.
bucket coupler failures and other thoughts - Heavy Equipment …
2014年5月6日 · As I type this, my Caterpillar dealer is out here modifying the plumbing and power link jaw on my 336E's center-lock pin grabber coupler BECAUSE "use of certain hydro mechanical attachments can cause the coupler to open inadvertently". HOW? All my Caterpillar bucket couplers are plumbed the...
D10T - 777F - D8T Cam failures - Heavy Equipment Forums
2012年9月17日 · No expert in any way on the subject.....buuuut. We ran into a rash of failures on the solid lifter engines in our oval track cars and couldnt figure out why. It was eventually chased down to the reduction of zinc in the motor oils. We started using a readilly available zinc additive and the problem went away.
Cat Cooling Fan Hub Failure | Heavy Equipment Forums
2012年6月23日 · At 4000hrs, the viscous cooling fan hub was replaced on my Cat 324D, under warranty. At 8000 hrs, the fan has disintergrated, sending fan blade material into the water and oil rads, necessitating replacement of the rads, fan, viscous hub and sensor system. Ouch! Upon close inspection of the...
330BL Final Drive Failures | Heavy Equipment Forums
2008年7月2日 · Got a call from one of my National Account Customers today regarding a complete Final for a 330BL. Apparently, theirs has "gernaded" and is not rebuildable. I spoke to several of my salvage partners and they all told me the same thing: you and dozens of others are looking for Final Drives for...
How many hours is too many hours | Heavy Equipment Forums
2019年3月13日 · Many items we buy nowadays are warranted from "defects in materials or workmanship", thereby avoiding the fact that 1/3 of failures are caused by poor design. When I did mechanic work, I liked to draw a distinction whether a failure was caused by normal wear and tear, abuse/neglect or poor design.