TM 10-3930-671-24 (4) Install spacer (17) and bracket (10) on upright (18) with two screws (16).  Tighten screws 15-18 lb-in (20-25 N•m). (5) Install roller (12) on bracket (10) with pivot (13), washer (14), screw (15), and nut (11).  Tighten nut 52-59 Ib-ft (70- 80 N•m). (6) Install guide (9) on bracket (10) with two screws (8).  Tighten screws 15-18 Ib-ft (20-25 N•m). (7) Install bracket (5) on bracket (7) with two screws (6).  Tighten screws 15-18 lb-ft (20-25 N•m). WARNING Use  care  when  removing  or  installing  tensioning  springs.    Tensioning  springs  are  under  spring tension and can act as projectiles when released and could cause severe eye injury. (8) Install two pipes (4) on bracket (5) with two tensioning springs (3), washers (2), and four nuts (1).  Tighten four nuts until spring height measures 3.5 in (89 mm). (9) Install hydraulic hoses (Para 3-30). 5-65