TM 5-3805-293-23-3
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PISTON PUMP (BRAKE, HYDRAULIC FAN) MARGIN PRESSURE TEST AND ADJUST CONTINUED
N OT E
Monitor system temperature throughout entire test in order to be sure that temperature
stays within 140 9F (60 5C) of normal operating temperature range.
16. Set engine speed to wide open throttle (TM 5-3805-293-10).
17. Check pressure on differential pressure gauge (Figure 27, Item 1). The correct margin pressure is 260 psi
(1,800 kPa).
Figure 27. Differential Pressure Gauge.
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