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A-l HANDGUN
MANUAL NO. 26-4
Page 5-l
-
SECTION 5
PREVENTIVE MAINTENANCE
GUN CLEANING
Daily
Clean all exterior gun and nozzle surfaces. Material accumulating on
the nozzle can cause erratic operation. Do not clean the gun exterior
with anything stronger than mineral spirits.
Weekly
Clean the nozzle bore. Refer to "Nozzle Cleaning" later in this section.
More or less frequent cleaning may be required depending on the ap-
plication and materials used.
GUN INSPECTION
Semiannually
A
ZI
WARNING: This equipment contains energized electrical
components with potentials that could be fatal. Discon-
nect and lock out input electrical power before installing
or servicing this equipment.
A
WARNING: To prevent burns from splashed hot material,
relieve system pressure before opening any hydraulic
connection.
1. Relieve system pressure by turning the bulkmelter pump selector
switch to the OFF position. Trigger the gun to relieve any trapped
residual pressure.
2. Disconnect the hose electrical plug from the A-l cordset connector.
3. Remove the screws and lockwashers securing the data plate to the
handle.
4. Inspect wiring insulation for signs of wear or other damage. Check
all electrical connections for tightness.
--
A
5(
WARNING: Vibration and heating/cooling
cycles may
loosen connections,
resulting in possible electric shock
or equipment damage.
Publication P/N 108 061
0 NORDSON CORPORATION 1993
All Rights Reserved
Issued 3l93
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