Azbil SLX 110, User Manual

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Maintenance Azbil Corporation
3-6 Model SLX 110/120 - Smart displacement type level transmitter
Installation of torque tube housing assembly and bonnet
Insert guide pin of torque tube housing assembly into the hole of bonnet's guide hole
while installing.
Installation of torque tube plate and torque arm
• Set torque arm in the torque tube plate's slot and tighten torque arm mounting
screw alternately. Temporarily tighten screws slightly short of fastening of the
arm.
• While pressing bottom of torque arm against bonnet stopper so that the torque
arm does not shift, tighten torque arm mounting screws at the specified torque.
• Tightening torque for flange bolt and screw is as follows:
Table 3-1: Tightening torques for flange bolts and screw
Bonnet flange Refer to P-14
Torque tube housing flange Blind flange M14 127+20 (N.m)
Torque arm mounting screw M6 3.7+0.3 (N.m)
Cover mounting screw M4 1.5+0.3 (N.m)
CAUTION
Right hand or left hand orientation of instrument head cannot be reversed on SLX.
The orientation has been set at the time of factory shipment. Under no circumstance,
torque tube housing should be mounted on the opposite side of side flange of bonnet
when assembling.
Handling of torque tube
• SLX has been designed to facilitate replacement of torque tube by disassembling
its main body, taking into consideration of possible corrosion,
• However, replacement of torque tube requires specific dedicated tools. Also,
pressure-withstanding test of metallic contact surface of torque tube housing
(pressure sealing surface) is required.
• For replacement or removal of torque tube, please consult with out sales office or
service station closest to your plant.
Inspection of instrument
• Open the front cover of instrument and verify that no water has seeped inside. If
necessary, tighten screws or replace O-ring for prevention of water intrusion.
• Do not disassemble two plugs on sensor assembly or mounting screws of sensor
housing and its extension. If necessary, please consult with our sales office or
service station closest to your plant.