Bosch VA Injector Pump on 7. General IHBased on my experience with a 4. D1. 79 engine for the past 9 years I would recommend you remove your EXPENSIVE and SCARCE FI pump and take it to an expert for repairs. Removal and replacement of an FI pump is not difficult but it does require some preparation to get it back on correctly. You really need to get a tractor service manual and the VA pump manual. I recently replaced the FI pump on the 4. I purchased on EBAY. Except for some over fueling at idle issues it was a great buy for our old tractor. Works fine and no leaks at all. First time I have ever had a dry injection pump on the 4. Now it can be painted after pressure washing. Hdd Unlock Wizard Download here. If you wish to have the nozzles calibrated and tested, kermatdi does this service. They will also do an injector hot swap with a deposit so there is no downtime. Gasoline vapor deposits left in fuel injector nozzles after an engine is shut down form hard varnish. Over time, it can build up and clog the injectors. F3pcsr5trzE/maxresdefault.jpg' alt='Bosch Ve Injector Pump Manual' title='Bosch Ve Injector Pump Manual' />It is not totally necessary but I always like to bring an engine to TDC before working on a self contained injection system or a distributor on a gas engine. After establishing TDC it is only a matter keeping everything lined up. Bring engine around so timing marks on the dampener line up to where you normally set timing. FI pump and verify that number 1 is ready to fire. If you do not see the timing TDC line in the injection pump rotate the engine 3. Remove the 2 bolts holding the FI pump gear cover. Remove the bolts holding the pump drive hub to the drive gear. Bosch Ve Injector Pump Manual' title='Bosch Ve Injector Pump Manual' />Remove the nut holding the drive hub to the pump shaft. Use a front dampener puller from an automotive application and remove the hub from the pump drive shaft. Remove the startstop and throttle cable from the pump. Remove the injection lines from the pump. Remove the 2 nuts holding the pump to the front engine cover. The one on the engine side is easily removed with a long extension and a 12 socket. Rap the pump with a rawhide mallet, or something else softer than aluminum to break it free from its mounting position. Which is also when the gear is removed from the input shaft. XX carefully capture everything you removed and put all parts in a box with a lid. XXX Take the pump to the expert. This procedure is off the top of my head and could need other steps, this should get you in the right direction. Bosch Ve Injector Pump Manual' title='Bosch Ve Injector Pump Manual' />How can you tell if you have fuel injector problems Read our guide to discover the most common clogged fuel injector symptoms. Heath Im having trouble with my hoe,It wont rev up,has no power at all,and huffs alot of black smoke,and I cracked each line on the back of injector pump to see. EASY FAST INTERFACE SOFTWARE 16. MINIMUM REQUIREMENTS OF THE COMPUTER TO INSTALL THE SOFTWARE Operating system Windows 98 2nd edition or following versions. Omc Stern Drive Sterndrive Engine Repair Service Manual 1986 1998 Improved Download Document about Omc Stern Drive Sterndrive Engine Repair Service Manual.