What is the purpose of caging bolts or caging tools when working with spring brake chambers?

What is the purpose of caging bolts or

Multiple choice — select the best answer

ATo release the service brake diaphragm
BTo mechanically compress and hold the power spring for safe service or towing
CTo adjust the push rod stroke length
DTo measure brake chamber sizing

✓ Correct answer: B. To mechanically compress and hold the power spring for safe service or towing Caging bolts or tools are used to mechanically compress and hold the power spring in a compressed position. This allows for safe handling, service, or towing of the vehicle by keeping the spring brakes from applying, even with no air pressure in the system.

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What is the purpose of caging bolts or caging tools when working with spring brake chambers?

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