hi all,my boss has a 1992 bendi truck,i think its well past its sell-by-date,but he wants it up and running,does anyone on here have a repair manual which i could have a look at please,the problem is,when you press the pedal to go,theres nowt and the truck lurches forward for a second then stops,also at the same time as the lurching forward theres a huge spark comin from under the seat,all help would be gratefully accepted........