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Flashcards in Misc Equipment Deck (22):
1

High Lift Jacks
-How tall are they

60"

2

What are the 3 uses of high l lift jacks

Lifting a stationary load
As a winch
As a clamp

3

high lift jack - when raising a load what are the different ratings

4660 pounds up to 48"
2660 pounds from 48"-60"

4

High lift jack - if overloaded what happens
-what is the weight it will be overloaded

The shear bolt will break which will allow the jacks handle to drop freely
-this occurs at 7000 lbs

5

high lift jack- when used as a winch what will the top clamp-clevis support

5000 lbs

6

High lift jack - when used for clamping what is the maximum clamping force

750 lbs

7

When using a high lift jack to lift vehicle what precautions must be taken

make sure to crib offside so car wont tip

8

To lower the high lift jack step by step what load must be on jack

150lbs

9

How do u clean the high lift jacks

air, water, or a stiff brush for moving parts
-degreaser for jack

10

Air Bags -
What type of bags do we have

Paratec Maxiforce high pressure

11

Air Bags -
-what are bags made of

Neoprene reinforced with six layers (three per side) of Aramid reinforced fabric

12

Air Bags -
What are they filled with

Any Scott 4500 psi SCBA cylinder

13

Air Bags -
3 sizes carried

Small Medium and large

14

Air Bags -
Small bag
-max lift
-max pressure
-max height
-max air capacity

Max lift 12 tons
Max pressure 118 psi
Height - 8"
Air capacity - 2.3 cubic feet

15

Air Bags -
Medium
-max lift
-max pressure
-max height
-max air capacity

lift -17 tons
pressure -118 psi
height - 9.2 "
Air - 3.8 cubic feet

16

Air Bags - Large
-max lift
-max pressure
-max height
-max air capacity

21.8 tons
pressure 118 psi
height -11.1 inches
Air capacity - 7.3 cubic feet

17

Air Bags -
How many can we stack?
where is the larger bag placed?

2
Larger bag on bottom

18

Air Bags -
If temp exceeds ______ protect with a thermal blanket

150 degrees

19

Air Bags - how many points of contact must we have

3

20

Air Bags -
how to clean

warm soapy water with stiff brush

21

Never inflate airbag over ____ when not under load

30psi

22

Air Bags - inspection after cleaning/weekly

Inflate to 30 psi
inspect for cuts, abrasions, or buldges
-minor damage can repaired with rubber cement
-any fabric showing from bag =out of service