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TM 1-4920-458-13&P
3-9.
FILLING OIL RESERVOIR
Whenever the oil level of the reservoir falls below the minimum level indicated on the reservoir body, add oil conforming
to MIL-H-5606 until oil is again at its proper level. See para. 2-10.
a.
Remove right door (1) of Pitot static assembly to gain access to the filler valve port (2).
b.
Unscrew cap (3) from nipple fitting on filler valve port (2) pointing upward. Attach filler hose by turning
clockwise.
c.
Set the valve handle (4) to the fill position, turning it 90 degrees clockwise.
d.
Once the filler hose is tightened, place the opposite end of the hose in a container of oil, conforming to MIL-H-
5606.
e.
On front of chassis, set the power switch to "ON". When oil level is within limits indicated on reservoir body,
remove filler hose from oil container to allow for drainage of oil in hose. Set ON-OFF switch to "OFF".
f.
Disconnect the filler hose from the filler valve port (2), reinstall cap (3), and change the selector valve to RUN
position as shown.
g.
Install right door (1).
h.
The unit is now ready to perform its functional tests.
Lubricant
Reservoir Capacitv
Expected
Intervals
Temperatures
Fluid, Hydraulic
2.5 fl. Oz
All temperatures
D-Daily
MIL-H-5606 (D3)
6M-6 Months
CAUTION
Do not operate pump for more than 10 seconds without oil in reservoir as it will damage pump.
(1)
Check for the presence of oil in both sump bowls daily when Tester is in use. Oil in sump indicates filters
need cleaning or repair.
(2)
The oil in the reservoir shall be cleaned at monthly intervals, or more frequently if conditions warrant.
3-4
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