SECTION 4
MAINTENANCE
July 2002
p. 4-3
49836224
4.1 Scheduled Maintenance
Check
Description
Item to be Checked Major Component
As Req’d
Per Shift
Weekly
Monthly
3-Month
6-Month
Yearly
1
Other
Oil Level Hydraulic Oil Tank X R
Oil Sample Hydraulic System F
Hydraulic Cartridge
Seals
Hydraulic Cylinder X X
Plunger Seals HP Cylinder X X
Fluid Level
& Leak
Checks
Sealing Head HP Cylinder X X
Water Supply Pressure
Low Pressure Filter
Assembly
X X
Intensifier
Discharge Pressure
HP Piping X
Pressure &
Flow
Checks
Hydraulic Pump
Pressure
Hydraulic Pump X
Plunger Seal HP Cylinder X X
HP Check Valve Port Sealing Head X X
Temperature
Checks
Cooling Water
Inlet/Outlet
Oil/Water Heat
Exchanger
X F
Motor Bearings Lube
Hydraulic Power
Unit
X R
Lubrication
& Filter
Checks
Hydraulic Filter Hydraulic Oil Tank X X R
Electric Motor F L
Vibrations-
Rotating
Equip.
Hydraulic Pump F
Splined
Shaft
Service
Motor/Pump
Connection
Motor-Female Spline
Piston Pump-Male
Spline
L
2
Hydraulic Pump F
HP Tubing, Valves, &
Fittings
F
Hydraulic Manifolds
Hydraulic
Intensifier
F
Control Panel
Electrical
Enclosure
F
System
Cleaning &
Inspections
Gage Calibration
Hydraulic Pump &
HP Piping
F
Control
Lights
X
Hydraulic
Piston
Seal & Wear Rings
Intensifier
Hydraulic Cylinder
R
3
Key:
F: Information
X: To be observed
R: To be replaced
L: To be lubricated
1
Yearly or 4,000 hours, whichever comes first.
2
See Section 9.3.3 concerning spline lubrication recommendations.
3
Recommended Overhaul Interval: 10,000 hours
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