
LMAIM1501
LY Installation and Maintenance for LY 1001, LY 2001 and LY 3001
7-7
7.3.4
LY 2001/3001 Reassembly
a
DANGER: HAZARDOUS VOLTAGE. Turn off all power before assembling the LY actuator.
Piece numbers refer to Figures 6.8, 6.9, 6.10, and 6.11.
Install Input Worm Gear
1.
Install Input Worm Gear (piece #18).
2.
Install External Retaining Drive Ring (piece #113) on Input Worm Gear.
Install Declutch Assembly
3.
Install Declutch Return Spring (piece #47), making sure one end of Spring is secured in the Spring Seat Hole
of the actuator housing and the other end is secured around the Roll Pin (piece #122) on the Declutch Fork
Assembly.
Figure 7.2 – LY 2001/3001 Declutch Return Spring Installation Position
4.
Install Declutch Assembly (piece #46, 48, 123, 122, and 44).
5.
Install O-Ring (piece #138) over Declutch Shaft (piece #44).
6.
Install Declutch Lever (piece #45) and Roll Pin (piece #121).
Install Drive Sleeve
7.
Install Drive Sleeve (piece #10).
8.
Install Bearing (piece #33) and O-Ring (piece #129) on the Drive Sleeve.
9.
Install the Mechanical Stop Screws (piece #58), Locking Nut (piece #59), Thread-Seal (piece #60), and
Retaining Washer (piece #184).
10. Install the Roll Pins (piece #174) located in the end of the Mechanical Stop Screws (piece #58).
Install Worm Shaft Assembly
11. Install Worm Shaft Assembly. Push the Worm Shaft Assembly through to about 1/2" past the Input Worm
Gear. This allows installation of the Clutch Sleeve (piece #13).
#122 Roll Pin
#47 Declutch
Return Spring
Spring Seat Hole
LY 2001/3001 End View
Flow Control Division
Limitorque Actuation Systems