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TM 5-2420-222-20-3
HYDRAULIC ACCUMULATOR CHARGING
This task covers:
Charging (page 2-1194)
INITIAL SETUP
Tools
Materials/Parts
Charging kit, accumulator,
Nitrogen, technical (item 17, Appendix C)
Nudie ND-925-0 (-W)
Packing, plug
Connector, John Deere R40617
Hose, John Deere AR47753
Personnel Required
Knife, pocket
Wrench, box, 5/8-inch
One
ACTION
LOCATION
ITEM
REMARKS
CHARGING
1
Accumulator (1)
Plug (2) with assem-
Using 5/8-inch box wrench, unscrew and
bled packing (3)
take out.
2
Plug (2)
Packing (3)
a
Using pocket knife, take off.
b
Get rid of.
CAUTION
Use only dry nitrogen to charge hydraulic accumulator. Using air or any combustible gas may
cause damage to internal parts.
When charging accumulator, be careful not to exceed specified pressure or damage to internal
parts may occur.
3
Bracket (4) and
Accumulator (1)
a
Using Nuday ND925-0 (-W) accumu-
clamp (5)
lator charging kit, John Deere R40617
connector, and John Deere AR47753
hose connected to charging port,
charge.
Accumulator is charged when gage
on charging kit reads 475 to 525 psi
(3275 to 3620 kPa).
b.
If overcharged, use Nuday ND925-0 (-W)
accumulator charging kit with gage and
valve disconnected from technical nitrogen
tank to bleed off any excess pressure.
2-1194
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