Maintenance, Vent plug, Pressure and flow settings a caution – Enerpac PL-Series User Manual
Page 6: Push/pull forces vs. system pressure, Figure 3 6
Vent Plug
Single-acting cylinders have a vented plug on the left side of the cylinder when you are
facing the hydraulic ports. To prevent entry of chips and coolant, the vent plug must not
be removed. If the vent plug is subjected to a continuous coolant flood condition, attach
tubing to the port using a BSPP fitting and run the tubing to a non-contaminated area of
the fixture.
Pressure and Flow Settings
A
CAUTION
It is very important that you use the correct pressure and flow settings.
Operating outside these limits will cause damage to the cylinder. Damage
caused by exceeding rated pressure and maximum flow is NOT COVERED BY
WARRANTY.
Push/Pull Forces vs. System Pressure
NOTE: Push forces are for double-acting cylinders only.
MAINTENANCE
Maintenance is required when wear or leakage is noticed. Occasionally inspect all
components to detect any problem requiring service and maintenance. Enerpac offers
ready-to-use Repair Parts Kits. Repair Parts Sheets are available with assembly drawing
and parts list. Contact Enerpac.
IMPORTANT: Consult the Repair Parts Sheet for service information as to correct
assembling and disassembling. Incorrect maintenance and service such as wrong torque
values may cause product malfunctions and/or personal injury.
Pull Force:
Push Force:
Force kN [lbs.]
2,2 kN [500 lbs.]
275,8
Pressure bar [psi]
[300]
137,9
68,9
0,4
0
[100]
1,3
[1000]
206,8
[3000]
[2000]
[4000]
4,0
3,1
[500]
2,2
[700]
[1100]
[900]
4,9
1,54 X pressure
344,7
[5000]
Stroke
0,75 x pressure
Push
Pull
[2200]
9,8
8,0
[1800]
[1400]
6,2
4,5
[1000]
[600]
2,7
[200]
0,9
Force kN [lbs.]
5,6 kN [1250 lbs.]
344,7
[5000]
Pressure bar [psi]
137,9
68,9
[1000]
0
[2000]
206,8
275,8
[3000]
[4000]
Push Force:
Pull
Push
Pull Force:
Stroke
[2600]
11,6
[3000]
13,3
1,79 x pressure
3,80 x pressure
[6000]
26,7
22,2
[5000]
[4000]
17,8
13,3
[3000]
[2000]
8,9
[1000]
4,4
Force kN [lbs.]
9,0 kN [2000 lbs.]
344,7
[5000]
Pressure bar [psi]
137,9
68,9
[1000]
0
[2000]
206,8
275,8
[3000]
[4000]
3,13 x pressure
8,04 x pressure
Push Force:
Pull
Push
Pull Force:
Stroke
Push
Pull
[2000]
137,9
Pressure bar [psi]
20,0
6,7
[4500]
[1500]
68,9
[1000]
0
86,7
73,4
60,0
46,7
33,3
[19500]
[16500]
[13500]
[10500]
[7500]
Force kN [lbs.]
Push Force: 23,76 x pressure
[5000]
344,7
206,8
275,8
[3000]
[4000]
Pull Force: 12,42 x pressure
Stroke
35,0 kN [7900 lbs.]
Figure 3
6