28-42-00
 ALL  ú ú 03 Page 503 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 715-018
 (20)
 When the fuel pressure increases to the correct quantity, make sure the LOW PRESSURE light for the forward boost pump in the No. 2 tank goes off.

 S 715-051

 (21)
 Make sure there is no fuel leakage at the pressure switch.

 S 715-019

 (22)
 When the LOW PRESSURE light goes off, put the switch for the forward boost pump in the No. 2 tank back to the OFF position.

 S 715-020

 (23)
 Set the switch for the aft boost pump for the No. 2 tank to the ON position.

 S 715-021

 (24)
 When the fuel pressure increases to the correct quantity, make sure the LOW PRESSURE light for the aft boost pump in the No. 2 tank goes off.

 S 715-052

 (25)
 Make sure there is no fuel leakage at the pressure switch.

 S 715-022

 (26)
 When the LOW PRESSURE light goes off, put the switch for the aft boost pump in the No. 2 tank back to the OFF position.

 S 715-023

 (27)
 On the P6-3 panel, open the circuit breaker, CTR TANK BOOST PUMP RIGHT (for the right boost pump in the center tank).

 S 715-024

 (28)
 Set the switch for the right boost pump in the center tank to the ON position.

 S 715-025

 (29)
 Make sure the LOW PRESSURE light for the right boost pump in the center tank comes on.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-42-00
 ALL  ú ú 03 Page 504 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 715-053
 (30)
 Make sure there is no fuel leakage at the pressure switch.

 S 715-026

 (31)
 On the P6-3 panel, close the circuit breaker, CTR TANK BOOST PUMP RIGHT (for the right boost pump in the center tank).

 S 715-027

 (32)
 When the fuel pressure increases to the correct quantity, make sure the LOW PRESSURE light for the right boost pump in the center tank goes off.

 S 715-054

 (33)
 Make sure there is no fuel leakage at the pressure switch.

 S 715-028

 (34)
 When the LOW PRESSURE light goes off, put the boost pump switch back to the OFF position.

 S 715-029

 (35)
 On the P6-3 panel, open the circuit breaker, CTR TANK BOOST PUMP LEFT (for the left boost pump in the center tank).

 S 715-030

 (36)
 Set the switch for the left boost pump in the center tank to the ON position.

 S 715-031

 (37)
 Make sure the LOW PRESSURE light for the left boost pump in the center tank comes on.

 S 715-047

 (38)
 On the P6-3 panel, close the circuit breaker, CTR TANK BOOST PUMP LEFT (for the left boost pump in the center tank).

 S 715-032

 (39)
 When the fuel pressure increases to the correct quantity, make sure the LOW PRESSURE light for the left boost pump in the center tank goes off.

 (40)
 Make sure there is no fuel leakage at the pressure switch.

 S 715-033

 (41)
 When the LOW PRESSURE light goes off, put the boost pump switch back to the OFF position.

 S 865-045

 (42)
 Push the engine fire switches on the aft electronic panel (P8-1) to open the engine shutoff valves again.

 S 715-055
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-42-00
 ALL  ú ú 03 Page 505 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 865-046
 (43) Remove the electrical power (AMM 24-22-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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