Flowserve LY Series Limitorque User Manual
Page 16
Limitorque LY Series: LY 1001, LY 2001 and LY 3001 FCD LMENIM1501-00 – 11/11
16
Table 5.2 – LY Actuator/Mounting Base Tap Sizes
Unit Type
and Size
Qty
Tap Size
English
Metric
LY 1001
8
3/8-16 x
0.71 deep
M10 x 1.5 mm x 25 mm deep
(Complies with F10 ISO
mounting flange criteria)
LY 2001/3001
8
5/8-11 x
1.26 deep
M16 x 2 mm x 35 mm deep
(Complies with F10 ISO
mounting flange criteria)
NOTE: Flowserve has supplied eight taps for the LY 1001, LY 2001, and LY 3001 in English/Metric
units to provide flexibility in mounting arrangements. A minimum of four securing bolts is required to
properly secure and retain torque reaction on these units.
c
WARNING: HAZARDOUS VOLTAGE. No electrical power should be connected until all wiring
and limit switch adjustments have been completed. Once power is supplied to unit, exercise
caution if cover is not installed.
4. Remove the Control Cover (piece #3) and Conduit Pipe Plugs (piece #144).
Figure 5.4 – Removing Control Cover and Conduit Pipe Plugs
Table 5.3 – Control Cover and Conduit Pipe Plug Hardware
Unit Type
Control Cover
Conduit Pipe Plug
Quantity
Size
Quantity
Size
LY 1001
(WP & XP)
6
M8 x 40 mm
2
1" NPT Socket
Hex Head
LY 2001/3001
8
M12 x 50 mm (WP)
M12 x 55 mm (XP)
2
1" NPT Socket
Hex Head
L i m
i t o
r q u
e
#3 Control Cover
#144 Conduit Pipe Plugs