®
Table of Contents
Not under documentation control if printed. May be revised without notice. ©05-2014
Electronic version is available at www.moldmasters.com
Hot Runner User Manual Revision 18
v
Section 8 - System Start Up & Shut Down .....................8-1
Introduction ......................................................................................................................... 8-1
Pre-Start up ......................................................................................................................... 8-1
Shut Down .......................................................................................................................... 8-2
Section 9 - Color Change .................................................9-1
General Tips ........................................................................................................................ 9-1
Procedure A: Simple & Effective .......................................................................................... 9-1
Procedure B: More Comprehensive .................................................................................... 9-2
Section 10 - Hydraulic / Pneumatic
Actuators .........................................................................10-1
Installation and Assembly of the Valve Actuator .................................................................10-1
Valve Pin Lapping Procedure for Tapered Valve Pins ........................................................10-5
Valve Pin Finishing of Head ................................................................................................10-5
Valve Pin Assembly ............................................................................................................10-6
Installing the Valve Actuator to the Hydraulic Plate ............................................................10-7
Maintenance Procedure .....................................................................................................10-8
Extraction Tools for Hydraulic Units & Pistons ....................................................................10-9
Section 11 - Maintenance Procedures ......................... 11-1
Introduction ......................................................................................................................... 11-1
Valve Disk Removal ............................................................................................................11-1
Gate Seal Maintenance ......................................................................................................11-5
Gate Seal Removal ............................................................................................................11-5
Gate Seal Replacement .....................................................................................................11-6
Sprint Gate Seal Maintenance............................................................................................11-7
Sprint Nozzle Tip Removal .................................................................................................11-7
Cleaning Nozzle Insulator Cap ...........................................................................................11-8
Installing Nozzle Insulator Cap ...........................................................................................11-8
Valve Actuator Maintenance ...............................................................................................11-8
Sprint Nozzle Tip Installation ..............................................................................................11-8
Latching ..............................................................................................................................11-9
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