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A-l HANDGUN
MANUAL NO. 26-4
Page 7-l
SECTION
7
DISASSEMBLY AND REPAIR
SAFETY PRECAUTIONS
A 9
A
A
WARNING: This equipment contains energized electrical
components with potentials that could be fatal. Discon-
nect and lock out input electrical power to the gun before
performing service procedures. Only qualified personnel
should operate and service this equipment.
WARNING: Wear safety glasses, safety gloves and protec-
tive clothing to prevent injury from hot bulk melter parts,
splashed hot adhesive/sealant
and hot gun surfaces.
WARNING: To prevent burns from splashed hot material,
relieve system pressure before opening any hydraulic
connection.
To relieve system pressure:
Turn the bulkmelter pump selector switch to the OFF position.
Trigger the gun to relieve any trapped residual pressure.
HEATER CARTRIDGE
AND RTD REPLACEMENT
Refer to Figure 7-l.
1. Remove screws and lockwashers (1) securing warning plate (2) to
handle and disconnect heater and RTD leads from terminal strip (3).
2. Remove screw (4) securing trigger (5) to handle (6) and remove
trigger.
3. Remove screws and lockwashers (7) securing hydraulic body (8) and
insulation block (9) to handle.
4. Pull hydraulic body, insulation block, and puller (10) away from
handle. Pull heater cartridge and RTD leads through handle and in-
sulation block.
5. Pull heater cartridges and RTD (11) from hydraulic body, noting loca-
tions of each.
Publication P/N 108 061
0 NORDSON CORPORATION 1993
All Rights Reserved
Issued 3/93
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