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 Table 2-1.
Preventive Maintenance Checks and Services
D - Daily
M - Monthly
Q - Quarterly
S - Semiannually
A - Annually
B - Biennially
Item
Items To Be
Interval
Procedures
No.
Inspected/Serviced
D
M
QS
A
B
Hydraulic Power Pack Assembly
1
Pressure Gauge
Turn pressure gauge shutoff valve on. If pressure reading
is above or below 2,900 psi, perform troubleshooting
according to Section IV of this chapter. After reading
pressure, close pressure gauge shutoff valve.
CAUTION
Maximum hydraulic system operating temperature
is 150 F. Do not operate hydraulic system at
temperature above 150 F. Operating at higher
temperature will reduce hydraulic system
efficiency and component service life, and will
deteriorate hydraulic fluid more rapidly.
2
Temperature Level Sensor
Temperature readings must be taken when the electric motor
in the hydraulic power pack assembly is operating.
Read temperatures on the level sensor. If temperature
reading is above 150 F, perform troubleshooting according
to Section IV of this chapter.
3
Hydraulic Fluid Level
Hydraulic fluid level readings must be taken
Indicator
when the electric motor in the hydraulic power pa ck
assembly is operating. Read hydraulic fluid level on the
hydraulic fluid level indicator. Keep hydraulic fluid level at full
mark. Investigate causes for loss of hydraulic fluid.
2-7
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