TB-69 Maxi-Force Air Bag System

Question 0

What is the dual “dead man” safety relief control valve set at?

Answer 0

Pre-set at the factory at 118 psi.

Question 1

What are the components of the maxi force air bag system?

Answer 1

1. One dual dead man safety relief and control valve
2. One high pressure regulator
3. Three in line safety relief valves
4. Four air hoses: Red, yellow, green, blue
5. Three air lifting bags: 2-22 ton, 1-12 ton
6. One air supply adapter
7. Cribbing

Question 2

High pressure regulator should be adjusted to a presssure between _______to_______psi, to provide 118 psi working pressure at the dual safety relief and control valve.

Answer 2

125-135 psi

Question 3

When attaching the SCBA bottle, the last ______ turn should be accomplished by turning both the threaded inlet fitting and regulator until hand tight.

Answer 3

1/4 turn

Question 4

In line safety relief valves with relieve if the pressure exceeds ______psi.

Answer 4

135 psi

Question 5

Each air hose has a working pressure of _____psi and is ______ft in length.

Answer 5

250 psi

16 ft

Question 6

Air bags are constructed of _________.

Answer 6

neoprene rubber compounds encasing kevlar cords.

Question 7

The adapter allows for us of an auxiliary air source such as _______ and _________. It also can be used to extend hose length (air chisel hose to air bag hose).

Answer 7

Apparatus on-board air system

Portable air compresser

Question 8

The cribbing provided should be considered a minimum:

Answer 8

• 4”x6”x2’ (4)
• 24”24” plywood (2)
• Wedges (4)

Recommended that companies add additional cribbing to their inventory.

Question 9

Where should the in line safety relief valve be placed?

Answer 9

At the dual safety relief and control valve.

Question 10

Do not inflate the bag over _____ psi without a load.

Answer 10

30 psi

Question 11

Rule of thumb is “_________________”.

Answer 11

Lift an inch, crib an inch.

Question 12

In a two bag stacked lift, which bag is on the bottom?

Answer 12

Larger bag is on bottom.

Question 13

Members in squatting position should keep weight on ___________ for a quick escape.

Answer 13

balls of feet

Question 14

Never inflate air bags against objects hotter than _______ degrees F.

Answer 14

220 degrees F

Question 15

When stabilizing a vehicle, chock a minimum of __________ and __________ on each side.

Answer 15

one front wheel and one rear wheel on each side

Question 16

How to we clean air bags?

Answer 16

Wash bag with soap and water.

Question 17

Small cuts on the neoprene surface can be repaired with ___________.

Answer 17

rubber cement

Question 18

For larger cuts, what is procedure?

Answer 18

Tag with F-175 and send to S and M for repair or replace.

Question 19

For leak test, inflate bag to ____psi. Place bag into water or _________ solution. Disregard bubbles around the _________, it will not affect the safe operation of the bag.

Answer 19

• 30 psi
• soap solution
• bag inlet

Question 20

To remove foreign objects from safety relief valves not possible to blow it out by activating the deflating device, then complete ____________ part of valve must be taken off then reattached tightly.

Answer 20

upper

Question 21

Do not ________ high pressure regulator.

Keep it clean and dry.

Answer 21

lubricate

Question 22

K-12 specs

Answer 22

1. 7/8” x 15” x 15”
2. Max lift 12 tons @ 118 psi (from 0” to 1”)
3. Max lift height 8”
4. Max air capacity 3.0 cubic ft of air
5. Weight: 6 lbs
6. Inflation time: 3 seconds
7. Bag tested at 236 psi and burst tested at 700 psi

Question 23

K-22 Specs

Answer 23

1. 7/8” x 20” x 20”
2. Max lift 21.8 tons @ 118 psi (from 0” to 1”)
3. Max lift height 10”
4. Max air capacity 7.3 cubic ft of air
5. Weight: 12 lbs
6. Inflation time: 7 seconds
7. Bag tested at 236 psi and burst tested at 600 psi