(q) Install jack pin (17) in boom (13),
position boom jacks (15) on jack pin (17)
and secure with lockpins (16).
(r) Move hoist lever (11) to DOWN
position and crowd lever (12) to EXTEND
position to extend boom (13) all the way
(s) Position tie bar (20) on boom
jack brackets (18) and secure with T-shaped
pins (19) and lockpins (21).
(t) Position base plates (22) on boom jacks (15) and secure with L-shaped pins
(24) and lockpins (23).
(u) Extend boom (13) to length required, and adjust boom jack (15) length as
required. Secure with retaining pins (14) and lockpins.