Table 2-1. Preventive Maintenance Checks and Services for Model M992A1
Not Fully Mission
Hydraulic pressure gage should
read 100 to 300 psi with pump
gage reads below
operating but no hydraulic actuators 100 or over 300 psi.
o p e r a t i n g .
Hydraulic reservoir temperature
gage should not exceed 160°F
during hydraulic system operation. exceeds 160°F.
Hydraulic reservoir level gage
should read in the green range.
gage does not read
in green range.
c. Check all hydraulic lines, hoses,
c. Any Class Ill
and connectors for any leaks.
C R E W M E M B E R
Upper Rear Check operation of upper rear door.
Door (Ballistic Make sure mechanical locking
device properly engages at 45-
degree and 90-degree positions.