Repair
334627K
19
Repair
Required Tools
•
Phillips screwdriver
•
Flat blade screwdriver
•
2 mm, 3 mm, 4 mm, and 5 mm Allen wrenches
•
10 mm, 1/2 in., 11/16 in., and 3/4 in. wrenches
•
Torque wrenches
•
Waste container
•
High-temperature anaerobic thread sealant
•
High-temperature lubricant
•
Anti-seize
•
Crimp tool
Before Beginning Repair
1.
Turn off the melter system. Refer to the InvisiPac
HM25 Tank-Free Hot Melt Delivery System manual.
See
Related Manuals
.
2.
Relieve pressure. See the
Pressure Relief
Procedure
3.
Disconnect the cordset (F) from the heated hose.
4.
Disconnect the M8 solenoid electrical connector
(N).
Replace Heater Cartridge
NOTE:
Depending on the model, the heater may be
retained by a stainless steel plug pressed into the
applicator body. You must remove this plug before the
heater can be accessed and removed. Refer to
Parts
starting on page
and
Replace Plug
1.
Disable the applicator. See
Before Beginning
Repair
on page
2.
Use a Phillips screwdriver to remove the four screws
(15) and manifold cover plate (18).
3.
Remove the heater cartridges (3) from the manifold
(1).
NOTE:
Note the placement of the heaters and lead
lengths.
4.
Remove the butt splices (4) from the heater wires
(3), thermal cutoff (29), and cordset wire leads (17).
5.
Crimp the new heater wires into new splices (4).
See
Wiring Diagram
on page
6.
Insert the new heater cartridges (3) into the
manifold (1).
Material inside the applicator can be near the setpoint
temperature. Wear protective clothing to avoid severe
burns.
F
IG
. 13
WLE
-
1
)
F
IG
. 14
NOTICE
To prevent a short to ground and blowing a MZLP
fuse, ensure bare wires are covered and fiber glass
tape and sleeves are centered over the splices.
WLE
D
Summary of Contents for InvisiPac GM100 Plug-Free
Page 25: ...Repair 334627K 25 Notes ...