PUMP TESTING PROCEDURE

PRESSURE CONTROL TEST

The pressure control device must be tested at rated capacity at 150 psi (10 bar) net pump pressure as follows.

The pump must be delivering rated capacity at 150 psi (10 bar) net pump pressure.

The pressure control device must be set in accordance with the manufacturer's instructions to maintain the discharge at 150 psi (10 bar) net pump pressure.

All discharge valves must be closed no more rapidly than in 3 seconds and no more slowly than in 10 seconds.

The rise in discharge pressure must not exceed 30 psi (2 bar). The pressure control device must be tested at 90 psi (6.2 bar) net pump pressure as follows.

The original conditions of pumping rated capacity at 150 psi (10 bar) net pump pressure must be reestablished.

The discharge pressure must be reduced to 90 psi (6.2 bar) net pump pressure by throttling the engine fuel supply with no change to the discharge valve setting, hose, or nozzles.

The pressure control device must be set in accordance with the manufacturer's instructions to maintain the discharge at 90 psi (6.2 bar) net pump pressure.

All discharge valves must be closed no more rapidly than in 3 seconds and no more slowly than in 10 seconds.

The rise in discharge pressure must not exceed 30 psi (2 bar).

The pressure control device must be tested at 50 % of rated capacity at 250 psi (17 bar) net pump pressure as follows.

  The pump must be delivering 50 % of rated capacity at 250 psi (17 bar) net pump pressure.

 The pressure control device must be set in accordance with the manufacturer's instructions to maintain the discharge at 250 psi (17 bar) net pump pressure.

All discharge valves must be closed no more rapidly than in 3 seconds and no more slowly than in 10 seconds.

The rise in discharge pressure must not exceed 30 psi (2 bar).