4. Install jack extensions (if necessary).
a. Remove two jack extensions (8) from Shelter BII Box and install between jack base (9) and upper section
of hinged jack assembly (6).
b. Position jack extension (8) in jack base (9) and secure by installing pin (7).
Position hinged jack assembly (6) on jack extension (8) and secure by installing two quick-disconnect
pins (10) through tubes of jack extension and hinged jack assembly.
Do not attempt to level or raise floor at this time.
5. Rotate handle (11) to raise hinged jack until safety pin (12) can be installed in jack support bracket (13).