CHARGING THE ACCUMULATOR

The tools required to charge the breaker accumulator

NOTE:

are the Charge Hose assembly (505232) and the Ac-

When disengaging the tester a “POP” of nitrogen is

cumulator Tester (28257), which are used with other

normal.

Stanley model breakers. When charging the accumula-

6. Connect the charge hose assembly to the charg-

tor, make sure the tools and charge valve is clean. Dirt

can contaminate the charge valve and cause leakage.

ing valve on the tester. Make sure the valve on the

1. Remove the protective plug from the accumulator

charge hose assembly is closed. Open the valve on

the nitrogen bottle.

charge valve.

7. Very slowly open the valve on the charge hose as-

2. Hold the chuck end of the tester and turn the gauge

sembly and slowly meter the nitrogen into the break-

fully counter clockwise to ensure the plunger inside

er charge valve until the tester reads the correct

the chuck is completely retracted.

charge pressure.

3. Screw the tester into the breaker charge valve by

8. When the correct pressure is obtained, close the

turning the chuck. Do not use the gauge for turn-

valve on the charge hose assembly and on the nitro-

ing as this will advance the plunger in the chuck.

gen bottle. Unscrew the gauge to retract the plung-

Tighten the chuck lightly against the breaker charge

er. Loosen and remove the tester from the charge

valve.

valve. Before replacing the protective plug, inspect

 

4. Turn the gauge clockwise to advance the plunger

the plug O-ring. If damaged or deformed, replace

until a pressure is indicated on the gauge. Do not

the plug. Apply Loctite™ 242 to plug and cap.

overtighten.

 

5.If the pressure is correct, unscrew the gauge to re- tract the plunger. Then, loosen and remove the tes- ter from the charge valve. If the pressure is not cor- rect, proceed to Step 6.

CHARGE PRESSURE SPECIFICATION

Main Accumulator:

350 PSI +/- 10 PSI

 

24 BAR +/- .7 BAR

Main Accumulator

 

P/N 28257 Tester

 

P/N 505232 Charge Hose Assy

 

 

MB656 User Manual ◄ 17

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Image 17
Stanley Black & Decker MB656 user manual Charging the Accumulator, Normal