set up on the pull collar
of a Skema friction bolt
installed into a drift wall.
Puller Weight 22 kg (48.5 lbs)
Miner placing the Puller
Assembly onto the
pull
collar under the ring on
Skema friction type bolt.
The hydraulic jack rests
on the floor of the drift.
hydraulic jack to
pull-test the bolt.
Engineer is reading
the gauge mounted
on the hydraulic jack.
Jack Weight 6 kg (13.5 lbs)