Limitorque L120 Series User Manual

WTR Series
Maintenance
L120 Installation & Maintenance Manual 120-11000 A
Optional Drive Sleeve
1. Remove the Handwheel (piece #29 of Figure 9), Handwheel Cover Plate (piece #33 of
Figure 9) and Gasket (piece #34) to provide access to the Elastic Stop Nut (piece #99).
2. Remove the Elastic Stop Nut (piece #99) from the Rod (piece #1). The Torque Nut
(piece #95) can now be removed from the bottom of the Drive Sleeve (piece #25 of
Figure 9).
3. The Torque Bushing Connector (piece #96) can be removed from the torque nut by
removing the Retaining Ring (piece #98).
Thrust Base Disassembly (Drive 2 Option)
Figure 12 – L120-10 through 40 thrust base
Piece numbers refer to Figure 10.
1. If the Thrust Base (piece #100) option is present, remove the Seal Retainer (piece #102)
followed by Stem Nut (piece #101).
2. Remove the four Hex Head Cap Screws (piece #110) and the Lift Thrust Base from the
housing.
23
107
109
108
110, 111
106
100
107
102
101
104
105
103
104
103
105
Piece Quantity Description
100 1 Base Housing
101 1 Stem Nut
102 1 Seal Retainer
103 2 Needle Bearing
104 2 Thrust Washer
105 2 Thrust Washer
106 1 O-Ring Seal
107 2 Quad Ring Seal
108 1 Gasket
109 1 Grease Fitting
110 4 Hex HD Cap Screw
111 4 Lock Washer

Limitorque L120 Series Specifications

General

Enclosure	NEMA 4, NEMA 4X
Motor Options	Single-phase, Three-phase
Control Options	Local, remote, modulating
Voltage	120V, 240V, 480V
Communication Protocol	Modbus, Foundation Fieldbus, Profibus
Housing Material	Aluminum
Temperature Range	-40°C to +70°C (-40°F to +158°F)
Ambient Temperature Range	-40°C to +70°C (-40°F to +158°F)