Husqvarna CD128 Trimmer Smokes and Runs Badly

Step by step diagnosis for a Husqvarna CD128 trimmer that smokes and runs badly. How to replace the metering diaphragm and adjust the carburetor for best performance. Hylomar AF Non-hardening gasket sealer: https://amzn.to/3LgKR82 Fuel Pressure gauge with fittings: https://amzn.to/3FGFPRf 00:00 I'm not Klaus 00:25 Fuel and filter check 01:54 Spark plug and compression test 02:20 Air filter and spark arrester check 03:14 Inspect carburetor and fuel lines 04:05 Remove throttle cable and carburetor 04:29 Pressure test carburettor 06:14 Disassemble carburetor 08:07 Spray clean carburetor parts 10:31 Replace pump diaphragm and purge bulb 11:34 Replace needle and lever arm 12:55 Replace metering diaphragm 13:56 Pressure test gaskets 15:09 Repair heat shield gasket 16:09 Re-attach fuel lines and throttle cable 17:19 Refit air box and filter 17:49 Test drive and RPM adjustment The tools I like and use most often: My absolute favorite tester - Spark Check'r : https://amzn.to/453axCG Mityvac MV8500 Vacuum/Pressure tester: https://amzn.to/4iN2YDj Mityvac Small Engine Compression Tester: https://amzn.to/4jGC1CA Magnetic spark plug socket set: https://amzn.to/3CzmpvO Tachometer: https://amzn.to/3sHibiH Vessel Megadora JIS screwdriver set: https://amzn.to/363RFqO Channellock Bent Needle-nose pliers: https://amzn.to/3I5DbnA Long 1/4 Quick-connect Torx Driver Bits: https://amzn.to/3HUNgnm Another Spark Tester I like: https://amzn.to/3CxW2qi OTC Leak-down Test Kit: https://amzn.to/3CyUhJn Wear your safety glasses, or you'll shoot your eye out. Try on some gloves. Take off that spark plug boot. Clean your room. Open the windows, those fumes are nasty. Just 'cause I do it, don't think it's the end all, be all solution. There's plenty more ideas out there, I can't take responsibility if you slice off a few fingers after watching my videos. And don't just pour that toxic stuff down the sewer or in the ditch, dispose of waste responsibly. Just be safe, OK? Follow along with me elsewhere:   / thelawnmowerlady   https://the-lawnmower-lady.blogspot.com/ Titles, opening graphics, and music by AbleVFX. Any links to products are likely affiliate links, and I may earn a small commission from qualifying purchases (Thank You!), with no additional costs to you. Disclaimer: The content of this video is purely for my entertainment, and is available to you for informational and educational purposes only. It's not substitute advice from small engine mechanics with professional training and certifications, nor does it create any kind of relationship between the The Lawnmower Lady and you. Your situation may be different, and the The Lawnmower Lady makes no warranties, express or implied, as to the fit, accuracy, or applicability of the information shown in this video, and implies no guarantee of results. The Lawnmower Lady and any sponsors of this video are not liable for any damages of personal injury, property damage or loss of any kind that may result from the use or reliance on this video and/or any parts and procedures represented in this video. You are using the information presented in this video solely at your own risk. #husqvarva #cd128 #trimmer #lawnmower #smallenginerepair #DIY