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CHARGING THE ACCUMULATOR
ACCUMULATOR TESTING
PROCEDURE
To check or charge the accumulator the following equip- ment is required:
31254 Charge Kit: which includes the following.
•Accumulator Tester (Part Number 02835)
•Charging Assembly (P/N 15304)
(P/N 15304 includes a liquid filled gauge with snub valve, hose and fittings.)
•NITROGEN bottle with an 1000 psi/70 bar minimum charge. (Not included in 31254 Charge Kit.)
CAUTION
This assembly contains nitrogen under pressure
1.Remove the valve cap assembly from the breaker.
2.Remove the protective cap and loosen the
3.Holding the chuck end of Accumulator Tester (P/N 02835) turn the gauge fully counterclockwise to en- sure that the stem inside the chuck is completely retracted.
4.Thread the tester onto the accumulator charg- ing valve. Do not advance the
5.Advance the valve stem of the tester by turning the
6.If pressure is OK unscrew the
7.Tighten the
ACCUMULATOR CHARGING
1.Perform steps 1 through 4 of the accumulator test- ing procedure above.
2.Connect the chuck of the charging assembly to the charging valve on the accumulator tester or, if pre- ferred, remove the tester from the charging valve and connect the charging assembly chuck directly to the charging valve.
3.Adjust the regulator to the charging pressure of 800 psi/55 bar.
NOTE:
It may be necessary to set the gauge at
4.Open the valve on the charging assembly hose.
5.When the accumulator is fully charged close the valve on the charging assembly hose and remove the charging assembly chuck from the accumulator tester or tool charging valve.
If the accumulator tester has been used, be sure to turn the
6.Tighten the
7.Replace the valve cap assembly.
GENERAL SERVICE NOTES
1.If the breaker is repainted after servicing, be sure to mask off the vent in the valve cap assembly. Do not allow paint to enter the IN and OUT ports or the bore of the foot assembly.
2.If the handle grips need to be replaced.
a.Remove the old grips and clean the handle.
b.Wash the new grips and the handle clean and dry, simply push or drive the grips on. DO NOT lubricate the parts. The grips will not be secure on the handle if any grease or oil is used.
14 ► BR87 User Manual