TM 5-3805-293-23-3
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PISTON PUMP (BRAKE, HYDRAULIC FAN) MARGIN PRESSURE TEST AND ADJUST CONTINUED
21. Disconnect MSD from machine.
22. Release hydraulic system pressure. Pump service brake pedal at intervals of one second on and one second
off for at least 110 applications.
23. Disconnect both hoses (Figure 29, Items 1 and 3) from differential gauge (Figure 29, Item 2).
Figure 29. Differential Gauge.
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24. Disconnect hose (Figure 30, Item 1) from tee (Figure 30, Item 2).
Figure 30. Tee to Differential Gauge.
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