Enerpac JS125 - Hydraulics

www.enerpac.com
Document number: ED.03783.00.001.ENG rev 4 Page 129 of 153
10.5 Hydraulics
Maintenance jobs to be executed:
Subject
Action
Person
O (Owner)
EE (Enerpac expert)
First
40 hours
8 hours
Daily
40 hours
Weekly
500 hours
yearly
2000 hours
2 years
10000 hours
10 years
Remarks
1. Hydraulic pump, tank and cooler
1.1. Pump
Check on oil leakage, damages and paint work
O/EE
x
Check if the bolts are still tightened
O/EE
x
x
1.2. Hydraulic tank
Check on oil leakage, damages and paint work
O/EE
x
Check if the bolts are still tightened
O/EE
x
x
Replace all seals
EE
x
Replace the level gauges
EE
x
Drain the tank (water and sludge)
EE
x
1.3. Valves
Check on oil leakage and damages
O/EE
x
Check if the bolts are still tightened
O/EE
x
x
Replace all seals
EE
x
Check all valve settings
O/EE
x
1.4. Manifolds
Check on oil leakage and damages
O/EE
x
Check if the bolts are still tightened
O/EE
x
1.5. Oil
Take an oil sample to analyze
EE
x
Change oil if
necessary
Replace the hydraulic oil
EE
x
See [2] below
Check the oil level
O/EE
x
See [1] below
1.6. Hydraulic filter
Replace the filter element
EE
x
x
And replace if
indicated
See [3] below
1.7. seals
Replace the seals of the filter housing
EE
x
1.8. Breathers
Replace the breather
EE
x
1.9. Bellhousing
Check on damages
O/EE
x
Check if the bolts are still tightened
O/EE
x
x
Replace motor pump coupling
EE
x
1.10. Cooler
Check on oil leakage and damages
O/EE
x
Check if the bolts are still tightened
O/EE
x
x
Clean the cooler
O/EE
x
Measure pressure difference “delta p” at the cooler
EE
x