WARNING: Hot melt materials can cause severe
burns resulting in disfigurement or blindness. Take
the following precautions before beginning any
maintenance:
• Wear eye protection goggles, gloves, and
protective clothing.
• Switch pump motor On/Off Switch to the Off
position. Make sure the head is positioned over
some type of disposal receptacle. Depressurize
the supply hoses and valving heads.
• Always disconnect the supply hose electrical
connector before hose fittings are disconnected.
6 Maintenance
6.1 Preventive Maintenance
Procedure Daily Monthly As
Required*
Check for foreign material in tank. X
Wipe off excess adhesive from cover. X
Purge tank and hoses. X X
Clean tank screen. X
Clean/replace pump filter. X
Clean applicator nozzle. X
Check for leaks. X
* Extra maintenance required for continuous duty machines.
6.2 General Maintenance
6.2.1 Warning and Caution Notes
KB Series melt units require monthly temperature checks per
section 6.2.3. Should char buildup occur, or if the hot melt
formulation is changed, the system should be purged with a
attempting any maintenance procedure, read the warning and
caution notes that follow.
!
flushing agent such as Astro Packaging "Strip-N-Clean". Before
24 KB30, KB50 and KB100 Series Hot Melt Units 19600-159 Rev. A 04/09/09 © Copyright Astro Packaging 2009
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