Beta Max Beta Lite Manual Del Usuario página 90

B e t a M a x P o r t a b l e H o i s t s O p e r a t i n g a n d M a i n t e n a n c e P r o c e d u r e s M a n u a l
O p e r a t i o n a n d S e t u p
In the following example, a Gemini Plus hoist is being used to lift 600 pounds on a
Scaff-Trac system. A Gemini Plus weighs 150 pounds, the Scaff-Trac has a 3.5
foot cantilever, and the backward cantilever length is 7 feet.
600 (load) + 150 (hoist weight) = 750
750 x 3.5 (cantilever length) = 2,625
2,625 x 2 (safety factor) = 5,250
5,250/7 (backward cantilever length) = 750 pounds. This is the amount of weight
required to counterbalance the system.
When mounting to Vertical Post:
The Vertical Post-type system requires very little to calculate the required weight
to counterbalance the system. Simply add the weight of the hoist model being used
to the weight of the workload to be lifted. This calculated amount of weight must
be used to counterbalance the system.
1. Know or find the weight of the hoist model being used.
2. Know or find the weight of the payload to be lifted.
3. Add the weights of the hoist and the load together.
4. This number is the amount of weight required to counterbalance the system.
In the following example a Scorpio Plus XL hoist is being used to lift 400 pounds
on a Vertical Post system. A Scorpio Plus XL weighs 100 pounds.
400 (load) + 100 (hoist weight) = 500 pounds total counterweight required.
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