I bought forklift truck (Toyota 7FGF25. Year 2002) at auction, it ran ok and started fine. When I went to collect it a week and a half later it started up ok and ran for about ten minutes. It then started to cut out and eventually would not start. I checked the gas bottle and it seemed empty, so I fitted a new one. It started with much difficulty (needing a great deal of cranking on the starter motor).
Once I got it home it would not start at all, just plenty of loud bangs. Do I have to start it on petrol and then turn over to gas, (It has no petrol in the tank), or should it start on gas. Do I have to bleed it when a new bottle is fitted. Is there anything I can do or is it necessary to get in a qualified forklift truck mechanic (I am ok around petrol and diesel engines, but no experience with gas engines).
Is there anywhere I can get a service manual/operators handbook download.
Any help would be appreciated.