Bought this 1975 forkilft as a non starter. Can sometimes get it to start and run for a couple of seconds but always dies. I am also a LPG newbie but so far I have opened the Impco Model J on it 3 times and cleaned every last little bit. There was a lot of junk in it, but nothing seems broken. Even disassembled and cleaned out the lockout valve, which also clicks ok when key on. I havent touched the part where the throttle valve is, is there someting in there that can go bad? Also why does a rod continue from the throttle valve to something that looks like a oil pump with small lever on it? What is that for? Anyway spark is good and the engine runs with starter spray. Im feeling like buying a whole new LPG mixer unit from ebay or somewhere... btw, Sparkplugs look like they might be original from 1975. Cant get them out because I dont have a socket for it. Looks like it could be about 26mm socket and it would have to be a very thin walled to get it in there. Does someone sell such sparkplug sockets?
Showing items 1 - 7 of 7 results.
Received the tune kit and running ok now. Next issue is the pins and bushings where the mast is fastened and pivots. They are worn out and on the right side the bush has even disappeared so there is a lot of play sideways in the mast. Anyone know where could i order those parts?
If you cannot get a socket on the plugs they are not the correct plugs. The standard plug for these uses a 7/8" socket.
I cant get any standard thickness sockets anywhere near the plugs, too tight between the head. Size is also way bigger than 22mm. Maybe I will try and weld something out of sheet metal that fits.
I can not remember if these need a thin wall socket or not I do not believe so. The use Autolite 388, 376 or 378 plugs. Denso versions are L14RU or L14U. These would use a 22mm socket. If they are original, which I would doubt being how old this truck is, be careful taking them out so that you do not pull out the threads or snap it off.
I ordered a kit for Waukesha D155 with a Delco distributor that has the distributor cap bolted on with weird looking phillips head bolts. Looked exactly like the one I have. Any idea what size socket to buy for these ancient spark plugs? Looks like it will have to be very thin walled since there is no space between head and plug.
I show that this originally came with a Prestolite distributor but it could have been replaced with a Delco. Original was Clark part number, for Prestolite, 1636495. There is company out there called Pertronix that makes a electronic distributor to replace the old Delco and Prestolite which does away with the old points and condenser style. You are going to spend some money for it but you will be further ahead.
Rebuilt the vaporizer, still no start. Turned out to be the capacitor for the ignition. Replaced and it now runs, however runs on 3 cylinders. Reason is there has been arcing inside the distributor cap from one point so no spark goes out the ignition cable. So i want to buy one of those kits on ebay that has cap, rotor, plugs etc. Dont know which kit tho, hope someone can help with that. Distributor is a Delco. Forklift serial is Y355-566-GEF2562. Model C500-Y55LPG. Please if someone has info which parts?
Forkliftaction.com accepts no responsibility for forum content and requires forum participants to adhere to the rules. Click here for more information.