TM 5-3805-281-24-2
Hydraulic Impact Breaker
33
10. Using some oil, verify that there are no nitrogen leaks
62
from inflating screw or on sides.
11. Turn accumulator upside down and fill holes with oil
to check that diaphragm has no defects. If no bubbles
appear, accumulator is correctly charged and ready to
be fitted to breaker.
CED,OUOE039,4
1920MAR997/7
HYDRAULIC IMPACT BREAKER SET-UP AND
OIL PRESSURE REGULATION
NOTE: All of the following calibration operations must be
carried out when the oil is warm, and the carrier is
at operating temperature.
MATERIALS NEEDED
Tools to properly set up the carrier/breaker combination:
1. Flow meter with adequate range for anticipated flows
and pressures.
2. Pressure Gauges:
0-3500 or 05000 psi Glycerine-filled Manometer, with
snubber and 1/4 in. NPT male end
0-5000 psi Glycerine-filled Manometer, with snubber
and 1/4 in. NPT male end
Two 1/4 in. BPT to 1/4 in. NPT female adapters
Optional: Two 15 in. hoses to allow gauges to be
held off to the side for confirmation of readings while
breaker is running.
Continued on next page
CED,OUOE039,5
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