2-19. COUPLING FRONT AND REAR DOLLIES (Cont).
(10) Open four leveling valves (21 ) by rotating counterclockwise,
and close two control valves (22) by rotating clockwise.
(11 ) Disconnect lanyards (27) from pins (28) on front and rear dollies.
(12) Insert extension handle (23) into pump (24) and operate
pumps on both dolly halves until all four support struts (25) are fully extended.
Regulate pumping to raise shelter ends together.
(13) Rotate four support strut clamp assemblies (26) upward and tighten until secure.
(14) Make sure coupling clamps (18) are fully seated, and tighten bolt (20) on each coupling clamp