MTS Series 322 Load Frames - Manual (Page 81)

Series 322 Load Unit Maintenance 81
C. Turn the load unit’s hydraulic pressure to off.
Anti-Rotate Actuator—Tightening the Cap Screws
D. If your load unit has an antirotate actuator, tighten the four antirotate
cap screws to a torque listed in the following table. (The actuator force
rating is stated on an identification plate at the rear of the load unit.)
111 Accumulator: Maintenance Overview
Maintaining the proper pressure level for your accumulators is essential for
optimum system performance and component life. Review the following figure
to familiarize yourself with the accumulator components and their locations.
Also review the following guidelines before performing any procedure.
A CTUATOR F ORCE R ATING T ORQUE R ATING
25 kN (5.5 kip) 3.7 N·m (2.7 lbf·ft)
50–500 kN (11–110 kip) 48 N·m (35 lb·ft)
Unscrew/Tighten