Manitowoc GROVE GMK 4100 - Page 181

Boom extension
4.2 Description of the rigging work
Lattice extension operating instructions 3 112 441 en 4 - 13
GMK 4100/4100-L/5095
11.01.2008
Main boom con-
nection – section 3
(A) – Establishing the connection
• If necessary, bring the connections (2) on
the left side of the main boom head into the
position for operating with the lattice exten-
sion;
à p. 3 - 34.
• Lay the short ends (1) on the left-hand side
out of section 3 and up to the main boom
head.
• Remove the protective caps and connect the
short ends (1) to the connections (2).
(B) – Disconnecting the connection
• Disconnect the short ends (1) from the con-
nections (2).
• Close the short ends and the connections with the protective caps.
• Guide the short ends (1) on the left in section 3 and lay them in front of
the lower cross-strut so that they hang out of section 3 when raising.
s