TM 10-3930-664-10 2-11. MOVING THE FORKLIFT WARNING Use  care  when  backing  up.    Have  someone  direct  you  if  you  cannot  see  where  you  are  going.    Watch clearances. a. Operating Safely. (1)   Do not allow riders on the 4KRTFL. WARNING Travel on Inclines, slopes, grades, and ramps (whenever possible) only as follows: - Loaded 4KRTFL: with forks (and load) pointing uphill. - Empty 4KRTFL: with forks pointing downhill. (2)   Know the 4KRTFL’s operating limits for ascending, descending, and traversing slopes. 2-29