Ytc YT-1000L Installation Manual

Electro-Pneumatic Positioner YT-1000L Installation manual
Installation

Safety Warning

When installing positioner, please ensure to read and follow safety instruction.

All input and supply pressure to valve, actuator, and other related devices must be turned
off.

Use bypass valve or other equipment to avoid entire system "shut down."

Make sure there is no remaining pressure in the actuator.

Tools for installation

① Hexagonal wrench
② Screw drivers (+) & (-)
③ Spanners for hexagonal-head bolts

YT-1000L installation

YT-1000L should be installed on linear motion valve such as globe valve or gate valve using spring
return type diaphragm or piston actuator. Before installation, be sure to check for following
installation components.
① YT-1000L main body
② Feedback lever and lever spring
③ Flange nut (bottom side of YT-1000L)
④ 4 pcs. of hexagon head bolts (M8 X 1.25P)
⑤ 4 pcs. of M8 plate washer

Installation Steps

(1) Proper bracket must be made in order to attach positioner on the actuator yoke.
Please consider following when making a bracket.
① Feedback lever should be leveled at 50% of valve stroke. (Refer to Step 7)
② Feedback lever connection bar of actuator clamp should be installed at the position that the valve
stroke and numbers which indicated on the feedback lever must be fitted. (Refer to Step 8)
(2) Attach YT-1000L to the bracket, which was produced in
step, by using bolts. <Figure 2> Please refer to backside of the product
for size of bolts. The standard size of bolt is M8 X 1.25P, and other bolt
sizes are available. Please contact YTC sales department.
Young Tech Co. #662-8 PumgMu Dong, Kimpo City, (415-809) Korea (031) 986-4935 www.ytc.co.kr
earlier
<Figure 2>