SECTION 4
MAINTENANCE
July 2003
p. 4-3
05130679
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
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 Vibrations-
Rotating
Equip.
Hydraulic Pump F
Hydraulic Pump F
HP Tubing, Valves, &
Fittings
F
Hydraulic Manifold Hydraulic Intensifier F
Control Panel Electrical Enclosure F
System
Cleaning &
Inspections
Gage Calibration
Hydraulic Pump &
HP Piping
F
Control
Lights
X
Key:
F: Information
X: To be observed
R: To be replaced
1
Yearly or 3,000 hours, whichever comes first.
4.2 General Maintenance
Proper maintenance is important for reliable and consistent performance. Preventive
maintenance reduces unscheduled downtime, and extends component life.