TM 10-3930-669-34 (6) Remove  wire  from  control  lever  (11).    Discard wire. WARNING · Fuel   is   very   flammable   and   can explode  easily.    To  avoid  serious injury   or   death,   keep   fuel   away from    open    fire    and    keep    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). · Fuel  and  oil  are  slippery  and  can cause falls.  To avoid injury, wipe up spilled fuel or oil with rags. (7) Remove  plug  (9)  and  washer  (5)  from  overflow port (10) of injection pump (6).  Discard washer. (8) Install overflow line (8) on injection pump (6) with two washers (5) and screw (7). (9) Install fuel line (4) on injection pump (6) with two washers (5) and screw (3). 4-15