737 MAX Flight Crew Operations Manual
Hydraulics -
Controls and Indicators
MN-FLT-OH-201
13.10.3
2
HYDRAULIC System QUANTITY Indications (white)
Indicates digital percentage (0% to 106%) of hydraulic quantity.
Note:
Quantity also displayed at each reservoir.
3
HYDRAULIC System PRESSURE Indications (white)
Indicates system pressure:
• Normal pressure – 3000 psi
• Maximum pressure – 3500 psi.
Note:
When both pumps for a system are OFF, the indication may read hydraulic
system reservoir pressure, normally less than 100 psi.
4
REFILL Indication (RF) (white)
Illuminated (white) – hydraulic quantity below 76%.
Note:
Valid only when airplane is on ground with both engines shutdown or after
landing with flaps up during taxi–in.
5
Maintenance (MAINT) Menu Tab
The MAINT menu tab is available on the ground and is always shown if the MFD
systems (SYS) page is selected. It is not an indication of a malfunction.
March 1, 2021