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Wednesday, March 27, 2013

DIY - Clean Nordson Glue Melter




DIY – Purging/Cleaning Industrial Glue Melters 
(Nordson/Slautterback/ITW/HMT/Melton)

Wear appropriate protective gear:
Safety Glasses
Heat resistant long gloves (covers forearms)
  
Tools Needed:                                                                 
Screwdrivers – phillips & flathead
Open end wrenches                                                      
Metal Brush
Torch
5 Gallon Metal bucket
1 Gallon Metal bucket
Lint free cloths
Non metal scrapers for high heat

Parts Needed:

The following instructions are for cleaning a glue melter while unit is running at operating temperatures.
Steps
Instructions
Step 1
Turn the pressure off to the pump.
Step 2
Disconnect the electrical connector of hose from applicator head.  Disconnect hose from the hydraulic connector of applicator head.
Step 3
Place end of hose into the 5 gallon metal bucket.
Step 4
Turn pump pressure on and pump all adhesive out of glue tank.
Step 5
Turn pump pressure off.
Step 6
With non metal scraper, clean out large pieces of debris in tank and dispose of into 5 gallon bucket.
Step 7
Pour Red Baron Cleaner into tank until tank if full.
Step 8
Carefully move open end of hose to glue tank for recirculation. 
Step 9
Close lid over hose and turn pump pressure on.
Step 10
Let system pump and recirculate cleaner for 15 minutes.
Step 11
While system is recirculating, change inline filter at applicator head.
Step 12
If new style fitting, use wrench to unscrew filter cartridge and drop cartridge in small metal bucket.  If old style fitting, use 2 wrenches to unscrew the fitting and remove the filter from inside fitting and drop in small metal bucket.  Replace with new filter and retighten.
Step 13
With torch heat any large pieces of adhesive on outside panels of melter and use non metal scraper to remove.  Use Red Baron Cleaner on lint free cloth to wipe down outside panels until debris is removed.
Step 14
Turn pump pressure off on melter.
Step 15
Carefully remove open end of hose to the 5 gallon metal bucket.
Step 16
Turn pump pressure on.
Step 17
Pump all Red Baron cleaner from tank into bucket.
Step 18
Turn pump pressure off.
Step 19
With non metal scraper, remove any remaining char on sides and bottom of tank.
Step 20
Refill with Red Baron cleaner.
Step 21
Carefully move open end of hose to the glue tank and close lid.
Step 22
Turn pump pressure on.
Step 23
Heat to operating temperature and pump through hose recirculating back into tank.
Step 24
Turn pump pressure off.
Step 25
With wrench, remove the tank filter and drop into metal bucket.  Replace with new filter and new orings.  Do not over tighten.
Step 26
Carefully remove open end of hose to the 5 gallon metal bucket.
Step 27
Turn pump pressure on and pump all Red Baron cleaner from tank into bucket.
Step 28
Turn pump pressure off and fill tank with adhesive.
Step 29
Once tank is reaches operating temperature, turn pump pressure on and pump remaining Red Baron cleaner from hose until a clean stream of adhesive pumps into bucket.
Step 30
Turn pump pressure off.
Step 31
Reconnect hose to applicator head fitting and reconnect hose electrical connector to applicator electrical connector.
Step 32
After applicator head reaches operating temperature, double check tightness of hydraulic fitting and inline filter cartridge.