Table of Contents
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Installation,
Operating and
Maintenance
Instructions
XL
Series
Actuators
Contents
Important Safety Procedures
Mounting and
Operating Instructions
Solenoid Valves on
Spring Return Actuators
Complete Disassembly-
Double Acting Actuator
Complete Disassembly-
Spring Return Actuator
Assembly Instructions-
Double Acting Actuator
Assembly Instructions-
Spring Return Actuators
10
11
Testing and Cycling of
Infrequently Used or
Stored Actuators
12
13
14
Quality
Assured
registered
management
systems
to ISO 9001
1
Important Safety
Procedures
Qualified maintenance personnel
should read and follow these
straightforward instructions.
1
ALWAYS disconnect the Air and Electrical
2
Supplies before carrying out any form
of maintenance on an Actuator.
3
4
Always contain the Spring tension with
HYTORK Retractor Rods as explained in
5
Section 7.2. Follow instructions for using
6
the Retractor Rods carefully.
7
Never attempt to remove the Pistons
from the Actuator body by using air
8
pressure when the End Caps have
been removed.
9
Do not shorten or distort the SAFEKEYS;
correct length SAFEKEYS are supplied
with the Maintenance Kit.
When replacing items use only those
supplied by HYTORK or its Stocking
Distributors.
Numbers in brackets (#) refer to parts
on the exploded XL diagram (Fig. 1).
Read the relevant sections
carefully before continuing.
2
Mounting and
Operating
Instructions
2.1 Actuator to Valve Installation.
The mounting hole sizes and bolt hole
circle are to ISO 5211. These holes are
ISO METRIC COARSE on metric models
(UNC COARSE on imperial models for the
USA) as standard. When mounting the
Actuator to a Valve using a Mounting Kit,
1
the Pinion drive, coupling device and Valve
Stem should be centred and concentric to
prevent any side loading to the bottom
Pinion Radial Bearing and Valve Stem
Seal area.
Ensure that the square coupling shaft
to be operated is a close, but free
sliding fit into the female drive in the
Actuator shaft (4).
2.2 Maximum Operating Pressure.
XL models 45 to 2585
Do not exceed 8.2 bar (120 psi).
XL model 4580
Do not exceed 7 bar (100 psi).
2.3 Operating media.
Use clean, dry or lubricated air. Other
medias may be used, but consult your
local HYTORK VALVE AUTOMATION
CENTER for confirmation as to suitability.
Fig. 2a
(Refer to Fig. 1)
Fig. 2b
Hytork
Dossier
MAC099811
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Table of Contents
Summary of Contents for Hytork Dossier XL 45
- Page 1 Hytork Dossier Installation, Operating and Maintenance Instructions MAC099811 Important Safety the Pinion drive, coupling device and Valve Stem should be centred and concentric to Series Procedures prevent any side loading to the bottom Pinion Radial Bearing and Valve Stem Actuators Seal area.
- Page 2 Part Part No. Component Quantity No. Component Quantity Travel Stops & Seals Piston ‘O’ Rings End Caps End Cap ‘O’ Rings Pistons Pinion ‘O’ Rings Pinion DURASTRIP Thrust Bearings Body Steel Thrust Washers SAFEKEYS & ‘O’ Rings Snap Ring (Circlip) Springs* 2, 3 or 4 Position Indicator...
- Page 3 Spares Viewed Travel Stop (1) Double Acting from above Fig. 4 Recommendations Pinion Slot Body (5) When disassembling and carrying out maintenance work on the XL Actuator, a HYTORK XL Spares Kit must be used to replace all ‘O’ Rings, DURASTRIP Bearing Strips, Washers etc.
- Page 4 Washers, etc. are replaced using only a HYTORK XL Series Spares Kit. Retractor Rod End Cap (2) 8.2 Installing the Pinion. Lightly grease the Pinion, ‘O’ Ring grooves and Bearing Strip grooves of the Pinion (4) and Pinion ‘O’ Rings (13) with Lithium based grease.
- Page 5 orientation. On later XL Actuators the top Pistons (3) using Lithium based grease when the Actuator has been mounted to of the Pinion is marked with an single and fit the ‘O’ Rings into the ‘O’ Ring its Valve, damper or other device, to suit identification dot to indicate the correct groove on the Pistons.
- Page 6 8.8 Installing the Travel Stops. Fig. 8 S P R I N G R A T I N G C H A R T (Fig. 4) For Actuator Models 45, 70, 185, 425, 680, 1370, 2585, 4580 With the Pistons together, screw in the L e f t S p r i n g A s s e m b l y R i g h t S p r i n g A s s e m b l y Travel OPEN Stop (cast Identity number 1) Inner...
- Page 7 given in the literature on Spring Return turn by using a spanner (wrench) on the Testing and Actuators or by consulting your local lock nuts at the top of the Rod. Continue Cycling of HYTORK VALVE AUTOMATION CENTER. until the Spring is in its relaxed position. Once the Spring is fully relaxed the Infrequently 10.2 Normal Maintenance...
- Page 8 Spares Kits Retractor Rods Service Contents List: 13.1 Spring Removal t is the policy of HYTORK to give System Board. the best possible service to our 1 x I, O and M Instructions HYTORK’S “SPRING REMOVAL customers. We are happy to assist you in 2 x SAFEKEY Assemblies (6) SYSTEM BOARD”...
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