FAQ >> Rough Terrain Crane Boom Equipment

Rough Terrain Crane Boom Equipment

STANDARD BOOM EQUIPMENT

BOOM
26-61' (8.05-18.72 m), three section full power, mechanically synchronizedbboom. The synchronization system consists of a single telescope cylinder and high strength leaf chains to extend and retract the third section. Utilizes high-strength four plate construction welded
inside and out with embossed side plate holes to reduce weight and increase strength. Boom sections are supported on anti-friction slide pads. Single boom hoist cylinder provides -4 to 76 degrees of boom elevation. All cylinders are equipped with integral hold valves. Maximum tip height is 68' (20.78 m).

BOOM HEAD
Welded to third section of boom. Four or five load sheaves and two idler sheaves mounted on heavy duty anti-friction bearings. Quick reeving boom head. Provisions made for side-stow jib mounting.

OPTIONAL BOOM EQUIPMENT

MAIN BOOM
30-72' (9.23-22.19 m), three-section full power mechanically synchronized boom. The synchronization system consists of a single telescope cylinder and high strength leaf chains to extend and retract the third section. Utilizes high-strength four plate construction welded
inside and out with embossed side plate holes to reduce weight and increase strength. Boom sections are supported on anti-friction slide pads. Single boom hoist cylinder provides -4 to 76 degrees of boom elevations. All cylinders are equipped with integral hold valves.
Maximum tip height is 79' (24.23 m).

JIBS
26' (7.93 m) side stow swing-on one-piece lattice type jib. Single sheave mounted on anti-friction bearing. Jib is offsettable at 0°, 15° or 30°. Maximum tip height is 103' (31.51 m). 26-43' (7.93-13.11 m) side stow swing-on lattice type jib. Single sheave mounted on
anti-friction bearing. Jib is extendable to 43' (13.11 m) by means of a 17' (5.18 m) manual pull-out tip section, roller supported for ease of extension. Jib is offsettable at 0°, 15° or 30°. Maximum tip height is 121' (36.73 m).

AUXILIARY BOOM HEAD
Removable auxiliary boom head has single sheave mounted on antifriction bearing. Removable pin-type rope guard for quick reeving. Installs on main boom peak only. Removal is not required for jib use.

HOOK BLOCK
Two, three, or four metallic sheaves on anti-friction bearings with hook and heavy-duty hook latch. Quick reeving design does not require removal of wedge and socket from rope.

HOOK & BALL
7 ton (6.3 mt) top swivel ball with hook and heavy-duty hook latch.

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