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Curtis B.
Curtis B., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 28058
Experience:  Technician turned service manager on multiple lines of trucks and engines, used in industry.
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We have a 96 Lull 844c & would like to know what is the

Customer Question

Hi! We have a 96 Lull 844c & would like to know what is the accumulator? & what is it for?
JA: What is the complete model and serial number of your machine?
Customer: model #4039 TF001 serial 3T04039T549830 its a lull AK42
JA: Are you fixing this yourself? What have you tried so far?
Customer: nothing the brakes have been acting up lately, & we're just wondering if that could be the cause or not
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: Sure, maybe he could give us an idea or two what he thinks might be the cause
Submitted: 8 months ago.
Category: Medium and Heavy Trucks
Expert:  Curtis B. replied 8 months ago.

Accumulator is used as a shock absorber. It is filled with nitrogen or air, and lets the pressure build slowly, not suddenly. as the pressure in the accumulator has to be overcome before full pressure is applied.

Customer: replied 8 months ago.
Thankyou! You've answered our question! -Jan-
Expert:  Curtis B. replied 8 months ago.

Thanks, ***** ***** to close!

Expert:  Curtis B. replied 8 months ago.

I see question is still open. I need a rating to get credit! Thanks.

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