P/N 108 877A E-200 O-rings Service Kit
Contents
1. x 4103892 Fig 2 Turning Off Applicator Circuit Breaker 3 Place a drain pan under the applicator s filter drain valve NOTE Figure 1 shows a typical drain pan placement Details may vary depending on the applicator model 4 Follow instructions provided in your applicator s technical manual for relieving system hydraulic pressure 5 Properly dispose of the drained adhesive Failure to perform the next step can result in hot material spraying from a connecting point downstream of the applicator pump i WARNING Risk of burns Shield the area and operator 6 Trigger the gun module s from the gun driver to relieve pressure downstream of the pump 7 Turn off the electric gun driver 8 Wipe off any adhesive on the gun fittings 1 Relieve hydraulic pressure as described in 3 Unit Preparation in this document WARNING Risk of electrical shock Failure to observe may AN result in personal injury or death 2 Set the applicator circuit breaker to the OFF position P N 108 877A 42 E200 S 04 formerly 46 253 1995 Nordson Corporation Issued 8 95 All rights reserved E 200 O rings Service Kit 3 4 Module Removal contd 3 Disconnect and lock out the input power line to the applicator main circuit breaker 4 Disconnect and lockout power to the driver 4110132 Fig 3 Locking Out Input Power WARNING Hot Risk of burns Hot applicator parts splashe2. 3 Unit Preparation in this document N Remove the module as described in 4 Module Removal in this document WARNING Hot Risk of burns Hot applicator parts splashed adhesive and hot gun surfaces can cause severe burns Wear long sleeved heat protective clothing safety goggles and heat protective gloves P N 108 877A 42 E200 S 04 formerly 46 253 1995 Nordson Corporation Issued 8 95 All rights reserved E 200 O rings Service Kit 5 5 Module Disassembly and O rings Removal contd 3 Remove and discard the o ring from the back of the module 4 Use a flat blade screwdriver and remove the seal screw from the 3 back of the module Discard the seal screw 2 5 Use a 2 mm hex wrench and turn the hex head screw clockwise until NES it no longer contacts the tapered edge of the adapter pole assembly NOTE The adapter pole assembly is under spring tension as well as friction from the o ring seal Thus there will be some resistance when removing it during the next step 6 Unscrew the adapter pole assembly counterclockwise and remove it from the module Discard the o ring 7 Remove the plunger spring assembly from the module 4204144 Fig 5 Removing Adapter Pole Assembly 1 Spring 5 Seal screw 2 O ring 6 O ring 3 Adapter pole 7 Module assembly 8 Hex head 4 Plunger screw 1995 Nordson Corporation 42 E200 S 04 formerly 46 253 P N 108 877A All rights reserve
3. Nordson Instruction Sheet P N 108 877A E 200 O rings Service Kit 1 Introduction 2 Safety 3 Unit Preparation These instructions describe how to replace the o rings in the E 200 gun module It is necessary to remove and disassemble the module when replacing these o rings The instructions include the following e Safety e Unit Preparation e Module Removal e Module Disassembly and O rings Removal e O rings Replacement and Module Assembly e Module Replacement following tasks Observe and follow the safety instructions in WARNING Allow only qualified personnel to perform the AN this document and all other related documentation Perform the following steps to relieve hydraulic pressure before disassembling and replacing any gun component WARNING Risk of burns Failure to relieve system pressure can result in hot material spraying from a connecting point possibly causing serious burns 1 Heat the system to operating temperature 2 Turn the applicator pumps off 1995 Nordson Corporation All rights reserved 42 E200 IS 04 formerly 46 253 P N 108 877A Issued 8 95 2 E 200 O rings Service Kit 3 Unit Preparation contd 4110089 Fig 1 Typical Drain Pan Placement 4 Module Removal SYSTEM ON READY OFF HH FAULT
4. d adhesive and hot gun surfaces can cause severe burns Wear long sleeved heat protective clothing safety goggles and heat protective gloves 5 Use a hex head wrench and loosen the two module retaining screws by turning them three full turns 2 from side to side or front to back This can result in damage to CAUTION During module coil removal do not rock the module A N the plastic coil connector D Insert a flat screwdriver blade between the base of the module and the gun manifold Pry the module forward approximately 1 57 mm 0 062 in to break the seal 7 Remove the two module retaining screws 8 Unplug and remove the module coil as an assembled unit from the 4204142 gun manifold by lifting it straight off of the coil connector Fig 4 Removing Module Coil Assembly 1 Module retaining screws 2 Module coil assembly 3 Coil connector 1995 Nordson Corporation 42 E200 IS 04 formerly 46 253 P N 108 877A All rights reserved Issued 8 95 4 E 200 O rings Service Kit 4 Module Removal contd 5 Module Disassembly and O rings Removal 9 Wipe off any adhesive left on the gun manifold especially around the adhesive passage _ 0 Remove the coil retaining screw from the top of the coil _ v Remove the coil from the top of the module Be sure to pull the coil straight off of the adapter pole assembly 1 Relieve hydraulic pressure as described in
5. d Issued 8 95 6 E 200 O rings Service Kit 5 Module Disassembly and O rings Removal contd Toy 4204145 Fig 6 Removing Seat Assembly 1 Module 4 Screws 2 O ring 5 Gauge plate 3 Seat 6 Seat guide 8 Remove the four screws that hold the seat assembly to the module 9 Remove the seat gauge plate seat guide and o ring Discard the o ring P N 108 877A 42 E200 S 04 formerly 46 253 Issued 8 95 1995 Nordson Corporation All rights reserved E 200 O rings Service Kit 7 6 O rings Replacement and Module Assembly Adis 4204146 Fig 7 Replacing Seat Assembly 1 O ring 4 Seat Guide 2 Seat 5 Module 3 Screws 6 Hex head screw Coat the new o ring with lubricant Place the seat guide and new o ring into the seat Attach this assembly to the module NOTE Do not install the gauge plate between the seat assembly and module at this time This will be done at step 14 Install and tighten the four screws through the seat assembly into the module Install the hex head screw into the top of the module Do not tighten it at this time 1995 Nordson Corporation All rights reserved 42 E200 S 04 formerly 46 253 Issued 8 95 P N 108 877A 8 E 200 O rings Service Kit 6 O rings Replacement and Module Assembly contd 4204147 Fig 8 Replacing Plunger Spring Assembly 1 O ri
6. dule Be sure the coil is aligned with the back of the module Install the coil retaining screw on top of the coil to secure it to the module Coat the new o ring with lubricant Install the new o ring in the grove in the back of the module module from side to side or front to back This can result in damage to the plastic coil connector i CAUTION During module coil installation do not rock the Install the module coil assembly onto the gun manifold by carefully plugging it into the coil connector Make sure the module coil assembly is straight and the module base is flush with the gun manifold cause the head of the screw to break off f CAUTION Do not overtighten the screws Overtightening can 6 Apply PTFE paste to the two module retaining screws that secure the module to the gun manifold Install and tighten them NOTE For best results tighten the screws again after the applicator reaches operating temperature Restore the system to normal operation according to instructions in the applicator service manual 1995 Nordson Corporation All rights reserved 42 E200 IS 04 formerly 46 253 P N 108 877A Issued 8 95 12 E 200 O rings Service Kit Original copyright date 1995 Nordson and the Nordson logo are registered trademarks of Nordson Corporation P N 108 877A 42 E200 S 04 formerly 46 253 1995 Nordson Corporation Issued 8 95 All rights reserved
7. ng 3 Screws 2 Seat 4 Seat Guide Coat the new o ring with lubricant Install the new o ring into the groove of the adapter pole assembly Assemble the spring onto the plunger Insert the plunger spring assembly into the adapter pole assembly P N 108 877A 42 E200 S 04 formerly 46 253 Issued 8 95 1995 Nordson Corporation All rights reserved E 200 O rings Service Kit 9 6 O rings Replacement and Module Assembly contd inverted Otherwise binding and improper stroke setting may CAUTION Perform the following step while the module is AN occur 9 Install the adapter pole assembly into the module 10 Press the adapter pole assembly down over the spring so that the screw threads meet Screw the assembly into the module until it is fully seated 11 Coat the o ring in the new seal screw with lubricant and install the seal screw into the back of the module 12 Turn the hex head screw counterclockwise until it just contacts the tapered edge of the adapter pole assembly Then tighten the screw against the adapter pole assembly by turning it counterclockwise Apply torque of 0 56 to 0 79 Nem 5 to 7 in Ib 4204148 Fig 9 Replacing Adapter Pole Assembly 1 Module 2 Seal screw 3 Hex head screw 4 Plunger spring assembly 5 Adapter pole assembly 1995 Nordson Corporation 42 E200 S 04 formerly 46 253 P N 108 877A All rights reserved Issued 8 95 10 E 200 O rings Ser
8. vice Kit 6 O rings Replacement and Module Assembly contd 4 Fig 10 Replacing Gauge Plate 1 Module 2 Seat 3 Screws 4 Gauge plate 4204149 inverted to prevent the seat guide from falling out of place and CAUTION Perform the following step while the module is AN causing improper gun operation 13 Remove the four screws holding the seat assembly to the module Remove the seat 14 Install the gauge plate between the seat and the module NOTE The seat is under spring pressure during the next step Alternately tighten each screw so that you apply pressure evenly during assembly After positioning the seat fully against the module body tighten the four screws securely 15 Use the four screws and attach the seat to the module Tighten the Screws P N 108 877A 42 E200 S 04 formerly 46 253 1995 Nordson Corporation Issued 8 95 All rights reserved E 200 O rings Service Kit 11 7 Module Replacement SS LY NN ba al 4204143 Fig 11 Installing O ring in Back of Module Coil Assembly a2 Ss _ i eer Nordson I 3 D LJ 4204140 Fig 12 Aligning Module Coil Assembly with Gun Manifold 1 Module coil assembly 2 Module retaining screws Install the coil on top of the mo
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