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Tuesday, June 18, 2013

Instructions for Cleaning Nordson Glue Melter

July is typically the most convenient time for manufacturing plants to shut down for cleaning.
Below is detailed instructions on how to flush and clean a Nordson Glue unit.

Always Wear appropriate protective gear:
Safety Glasses
Heat resistant long gloves (covers forearms)
Tools Needed:                                                               Parts Needed:
3/16” Allen Wrench                                                         Red Baron Tank Cleaner
Open end wrenches:                                                      Tank Filter Kit
11/6”                                                                                 Inline Filter
1/2"                                                                                   O-Lube
7/8”
3/4"
5/8”
Phillips Head Screwdriver
5 Gallon Metal bucket
1 Gallon Metal bucket
Lint free cloths
Non metal scrapers for high heat

Step 1
Using 3/16” Allen wrench, turn the air pressure off to the pump.
Step 2
At programming area, turn off channels to all applicator heads.
Step 3
Disconnect the electrical connector of hose from applicator head. Using an 11/16” wrench, disconnect hose fitting from the hydraulic connector of applicator head.
Step 4
Place end of hose into the 5 gallon metal bucket.
Step 5
Turn pump pressure on and pump all adhesive out of glue tank into bucket.
Step 6
Turn pump pressure off.
Step 7
With non metal scraper preferably with a sharp edge, clean out large pieces of debris in tank and dispose of into 5 gallon bucket.
Step 8
Pour Red Baron Cleaner into tank until tank is full.
Step 9
Turn pump pressure on and pump until Red Baron starts to dispense into bucket.
Step 10
Turn pump pressure off.
Step 11
Carefully move open end of hose to glue tank for recirculation.
Step 12
Secure hose, close lid over hose and turn pump pressure on.
Step 13
Let system pump and recirculate cleaner for 15 minutes.
Step 14
While system is recirculating, change inline filter at applicator head.
Step 15
If new style fitting, use 1/2” wrench to unscrew filter cartridge and drop cartridge in small metal bucket.
If old style fitting, use 2 wrenches to unscrew the fitting (7/8” on fitting body & 3/4” on nut), remove the filter from inside fitting and drop in small metal bucket.
Place new filter into the fitting and tighten the fitting ends together.
Step 16
Use Red Baron Cleaner on lint free cloth to wipe down outside panels until debris is removed.
Step 17
Turn pump pressure off on melter.
Step 18
Carefully remove open end of hose to the 5 gallon metal bucket.
Step 19
Turn pump pressure on.
Step 20
Pump all Red Baron cleaner from tank into bucket.
Step 21
Turn pump pressure off.
Step 22
With non metal scraper, remove any remaining char on sides and bottom of tank.
Step 23
Refill with Red Baron cleaner.
Step 24
Carefully move open end of hose to the glue tank, secure hose and close lid.
Step 25
Turn pump pressure on.
Step 26
Heat to operating temperature and pump through hose recirculating back into tank for 15 to 20 minutes.
Step 27
Turn pump pressure off. **Depending on tank condition, repeat Steps 22-26.
Step 28
Carefully remove open end of hose to the 5 gallon metal bucket.
Step 29
Turn pump pressure on and pump all Red Baron cleaner from tank into bucket.
Step 30
Turn pump pressure off.
Step 31
Using Phillips head screwdriver, open pump access panel.
Step 32
With 5/8” wrench, remove the tank filter and drop into metal bucket. Replace with new filter and new orings. Do not over tighten.
Step 33
Fill tank with adhesive.
Step 34
Once tank 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 35
Turn pump pressure off.
Step 36
Reconnect hose to applicator head fitting and reconnect hose electrical connector to applicator electrical connector.
Step 37
After applicator head reaches operating temperature, double check tightness of hydraulic fitting and inline filter cartridge and tank filter.
Step 38
Return pump pressure to operating pressure setting.
**If tank still has char after second flush, repeat steps 22 – 26.