ASf09004
HOSE AND
TOOL BOX
BY-PASS VALVE
AIR SUPPLY
NITROGEN
CONNECTOR
CYLINDERS
CONTROL PANEL
BRAKE
INSTALLATION
COUPLER
RING
AXLE AND
WHEEL ASSEMBLY
FRAME
SWIVEL
CASTER
ASf0904
Figure 9-4.--A/M26U-4 (NAN-4) nitrogen servicing unit.
6
3
4
5
11
15
18
14
13
8
10
16
17
9
7
12
19
2
1
ASf0905
Servicing line
External air connection
1.
11.
Servicing line valve
Recharge connection
2.
12.
3.
13.
Cylinder pressure gauges (6 each)
Pressure gauge, 0-600 psi (low pressure)
Lever control valves (green) (4 each)
Pressure gauge, 0-5,000 psi (high pressure)
4.
14.
Lever control valves (red) (2 each)
Pressure gauge, 0-5,000 psi (manifold pressure)
5.
15.
Pressure gauge, 0-200 psi (motor inlet)
6.
16.
Manifold bypass valve
Motor inlet selector valve
Pressure regulator
7.
17.
Pump inlet valve
8.
18.
Manifold assembly
Motor and pump
9.
19.
Recharge valve
Manifold shutoff valve
10.
Figure 9-5.--A/M26U-4 nitrogen servicing unit controls and indicators.
9-7