TM-5-2350-262-20-3
1
5
6
11
4
9
10
2
12
7
3
8
CHARGING
HARNESS
MAIN HYDRAULIC ACCUMULATOR PRESSURE TEST
WARNING
High-pressure nitrogen gas is used in this equipment. Keep hands
and face away from valves and hose ends. Failure to comply may
result in severe injury or death to personnel.
Do not breathe nitrogen gas. Failure to comply may result in severe
injury or death to personnel.
Connect pressure measuring device (1) to bleed valve (2) on charging harness (3).
Close shutoff valve (4).
Open nitrogen tank valve (5) and adjust regulator valve (6) to 50 psi (353 kPa).
Open shutoff valve (4) for about 10 seconds to clear charging hoses . Close valve (4).
Remove valve guard (7). Remove charge valve cap (8) from charge valve assembly (9)
on accumulator (10).
Loosely connect adapter valve (11) to charge valve (9) and again open shutoff valve (4)
for about 10 seconds. Close shutoff valve (4). Fully tighten adapter valve (11).
NOTE
Accumulator gas valve is fully open after about 2-1/2 turns.
Open charge valve (9) by loosening nut (12). Read pressure measuring device (1).
Tighten nut (12) on charge valve (9). Close nitrogen tank valve (5). Back off regulator valve
(6), open bleed valve (2), and bleed hose pressure to 0 psi. Remove adapter valve (11) from
charge valve (9). Remove pressure measuring device (1) from bleed valve (2) on charging
harness (3). Install charge valve cap (8) on charge valve (9). Install valve guard (7).
3-155
