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Hyundai 740-3 ride control accumulator

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naharra

Well-Known Member
Joined
Dec 27, 2009
Messages
45
Location
BC Canada
Hi, have a Hyundai HL 740-3 with ride control that needs the Hydac piston accumulator resealed.

Would anyone know what pressure the accumulator needs to be recharged to?

It doesn't say on the tube of the accumulator or in the service manual.
 
GaryHoff

GaryHoff

Senior Member
Joined
Feb 25, 2009
Messages
810
Location
Alberta, Canada
Occupation
Heavey Equipment Mechanic
Don't have a Hyundai spec, but other ones I have done are around 200-270psi. Case tells you to set the ride control accumulator pressure to application. Lower pressure if roading with empty bucket, higher pressure if more loaded traveling. Piston accumulators always seem to leak out the nitrogen, so you will probably have to re-charge again next year.
 
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