TM 10-3930-669-34 b. Installation. WARNING Fuel is very flammable and can explode easily.  To avoid serious injury or death, keep fuel away from open fire and keep a B-C fire extinguisher within easy reach when working with fuel.  Do not work on fuel system when engine is hot.  Fuel can be ignited by hot engine.  When working with fuel, post signs that read NO SMOKING WITHIN 50 FEET (15 m). (1) With the  aid  of  an  assistant,  install  fuel  tank  (5) on  forklift  (8)  with  four  washers  (7)  and  screws (6). (2) Install extension tube (4) on fuel tank (5). (3) Install tube (2) on manifold (3) with clamp (1). NOTE Follow-on Maintenance: •    Install counterweight (Para 13-4). •    Install    engine/transmission    assembly (para 3-3). •    Install  fuel  filler  tube  (TM  10-3930-669- 20). •    Install fuel sender (TM 10-3930-669-20). •    Install cab (TM 10-3930-669-20). •    Refill fuel tank (TM 10-3930-669-10). •    Remove   wheel   chocks   (TM   10-3930- 669-10). END OF TASK 4-5