TM 55-4920-328-13
Table 13. Leading Particulars of Test Trailer Assembly - Continued.
Figure and
Index No.
Test Trailer Oil System (cont)
Back Pressure Regulator
T53
55-60 psig
T63
30 psig
Oil Flow Through Engine
3-7.5 gpm
Output Temperature
175F to 180°F
Output Pressure
0-2 psig
Immersion Heater
3,100 w, 208v ac,
60 Hz, 3-phase, integral
thermostat set to 50F to 250°F
Low Oil Level
28v dc, magnetically
Switch
actuated when oil
reaches 6 in. level
Figure 1-14
Portable Oil Lubricating Unit Pumping Assembly
Length
30.4 in.
Width
12.3 in.
Height
20.3 in.
Tank Capacity
15.5 qt
Oil Required
MIL-L-2104, SAE 10X
Pump Motor
208/220v ac, 3-phase
60 Hz, 1/2 hp, 1.5 gpm
at 1,800 rpm
Filter
10 micron
Relief Valve
relieves at 20 psig
Output Pressure
20 psig
Figure 1-16
Test Trailer Water System
Back Pressure Valve
Temperature Rating
-30°F to 150 F
Proof Pressure
500 psig
Pressure Drop
10 psig at 350 gpm
Flow Switch (T53 Turboprop)
Temperature Rating
-30°F to 150 F
Proof Pressure
300 psig (max)
Pressure Drop
2 psig at 10 gpm
Range Set Point
3 to 6 gpm
Flow Switch (T63 Turboshaft)
Temperature Rating
-30F to 150F
Proof Pressure
300 psig (max)
Pressure Drop
2 psig at 10 gpm
Range Set Point
1 to 5 gpm
Filter
60 to 75 micron
Filter (T700)
21 changeable elements
Change 3 1- 75
