Accumulator: Maintenance Overview - MTS Systems 318 Series Product Information

111 Accumulator: Maintenance Overview

318 Load Unit
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.)
A F R
CTUATOR ORCE ATING
25 kN (5.5 kip)
11–500 kN (11–110 kip)
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.
Routine Maintenance Overview Checklist
Unscrew/Tighten
T R
ORQUE ATING
3.7 N·m (2.7 lbf·ft)
48 N·m (35 lb·ft)
Maintenance 93