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Heavy & civil
Industry: Construction
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Heavy & civil
Levelling jacks
Construction; Heavy & civil
Levelling jacks (four) are used to stabilise and level the blast hole drill prior to the start of drilling operation. See also jack pad.
Mast anchor pins
Construction; Heavy & civil
The mast anchor pins are hydraulically operated locking pins used to secure the mast in the vertical drilling position.
Mast crown
Construction; Heavy & civil
The mast crown, located at the top of the mast, ties the mast legs together. It also supports the auxiliary winch sheaves.
Mast pivot pins
Construction; Heavy & civil
The mast pivot pins are the points about which the mast rotates when it is being raised or lowered.
Mast raising
Construction; Heavy & civil
The sequence of tasks required to raise the mast from the horizontal position to the vertical or angle drilling position.
Loader, paddle
Construction; Heavy & civil
A belt loader equipped with chain driven paddles that move loose material to the belt.
