MTS Series 322 Load Frames - Manual (Page 72)

Series 322 Load Unit 72 Maintenance
4. Use the Lock Control to lock the crosshead. Then torque the manual
crosshead locking bolts in the order shown in the following illustration.
5. Turn off hydraulic pressure.
6. Use the Lock Control to the unlock crosshead position to remove pressure
from the hydraulic locks. Wait two minutes for the pressure in the locks to
drop to zero before going on to the next step.
3 4
1 2
3 4
1 1 2
1 2
Load Unit Rating 100 kN (22 kip)
100 N·m (140 lbf·ft)
Load Unit Rating 250 kN (55 kip)
271 N·m (200 lbf·ft)
Load Unit Rating 500 kN (110 kip)
271 N·m (200 lbf·ft)