Charging The Accumulator - Stanley MBF5 User Manual

CHARGING THE ACCUMULATOR

The tools required to charge the breaker accumulators
are the 505232 charge hose assembly and the 28257
accumulator tester, which are used with other STANLEY
model breakers. When charging the accumulators,
make sure the tools and charge valves are clean. Dirt
can contaminate the charge valves and cause leakage.
1. Remove the protective plug from the accumulator
charge valve.
Note: There is one accumulator on this breaker; the
upper accumulator.
2. Hold the chuck end of the tester and turn the gauge
fully counter clockwise to ensure the plunger inside
the chuck is completely retracted.
3. Screw the tester into the breaker charge valve by
turning the chuck. Do not use the gauge for turning
as this will advance the plunger in the chuck. Tighten
the chuck lightly against the breaker charge valve.
4. Turn the gauge clockwise to advance the plunger
until a pressure is indicated on the gauge. Do not
overtighten.
5. If the pressure is correct, unscrew the gauge to
retract the plunger. Then, loosen and remove the
Upper Accumulator
tester from the charge valve. If the pressure is not
correct, proceed to step number 6.
Note: When disengaging the tester a "POP" of
nitrogen is normal.
6. Connect the charge hose assembly to the charging
valve on the tester. Make sure the valve on the
charge hose assembly is closed. Open the valve on
the nitrogen bottle.
7. Very slowly open the valve on the charge hose
assembly and slowly meter the nitrogen into the
breaker charge valve until the tester reads a
pressure of 200 psi.
8. Close the valve on the charge hose assembly and
on the nitrogen bottle. Unscrew the gauge to retract
the plunger. Loosen and remove the tester from the
charge valve. Before replacing the protective plug,
inspect the plug O-ring. If damaged or deformed,
replace the plug. Apply Loctite™ 243 to plug and
cap.
CHARGE PRESSURE SPECIFICATION
Upper Accumulator: 200 PSI +/- 10 PSI
13.8 BAR +/- 0.7 BAR
Nitrogen Bottle
(locally obtained)
(Includes Gauge, Valve, Hose
and Charge Valve Adapter)
Tester
P/N 28257
Charge Hose Assembly
P/N 505232
MBF5 User Manual ◄ 21