Flowserve Logix 3800zb User Manual

Logix™ 3800zb Digital Positioner FCD AIIOM001030_EN 02/23
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13 MAINTENCANCE - REPAIR
13.1 Training and Precautions
The replacement of the kits listed in section 15, Positioner
Specifications, must be by a technician trained in positioner
function and handling of static sensitive devices. Remove from
hazardous area prior to working through any maintenance
procedures.
CAUTION: Use eye protection when servicing.
CAUTION: Depressurize the positioner before servicing.
CAUTION: When touching the circuit boards, observe
precautions for handling electrostatically sensitive devices.
13.2 Cleaning
With the cover in place and with cover bolts torqued to spec,
the positioner may be cleaned by spraying with water. The
positioner may be wiped with a soft cloth. Do not use
abrasive materials, detergents, or chemicals.
13.3 Scheduled Maintenance
The supply gas filter(s) should be scheduled for regular
maintenance as required to maintain supply gas quality. Any
contamination found in the filter, requires visual inspection
inside of the positioner for contamination. Any contamination
found in the positioner, requires replacement of the positioner.
13.4 Required Tools and Equipment
The Logix 3800zb digital positioner has modular components
that can be replaced using the tools shown in Figure 25.
Figure 25: Tools List
13.5 Torque Specification for Screws
Table 8: Torque Specification shows the Logix 3800zb
torque specifications. Torque all screws to the proper
specification to avoid damaging components or loosening of
the screws during use.
Table 8: Torque Specification
Screw or Bolt
Type
Torque
Outer Cover
(6 Bolts)
6 mm Hex
5.6 N-m (50 in-lb)
End Cover
(4 Bolts)
5 mm Hex
2.8 N-m (25 in-lb)
Inner Cover
(2 Screws)
Philips
0.9 N-m (8 in-lb)
Electronic Assembly
(5 Screws)
Philips
0.9 N-m (8 in-lb)
Feedback Shaft Cover
(3 screws)
Phillips
0.9 N-m (8 in-lb)
Philips Screwdriver #2 _______
6.0 mm Hex Key _______
5.0 mm Hex Key _______

Flowserve Logix 3800zb Specifications

General

Brand	Flowserve
Model	Logix 3800zb
Category	Industrial Equipment
Language	English