![background image](http://html1.mh-extra.com/html/graco/24t918/24t918_instruction-manual_2252663065.webp)
Repair
333347F
65
4.
If removing the pump heater rod (210)
:
a.
Remove the air tube (36) from the relief
valve (245). Pull the air tube through the metal
shroud (27).
b.
Remove nuts (3) then remove shroud (27).
5.
Remove electrical enclosure front access door (10).
See F
6.
Disconnect heater rod wires from terminal blocks
described in the following table.
7.
Pull heater rod wires up through the grommet in the
top of the electrical enclosure (1).
8.
Remove heater rod retaining ring (206) then remove
and discard heater rod (209, 210).
Reassembly (see F
. 44):
1.
Route new heater rod cable through grommet (63)
in top of electrical enclosure then connect new
heater rod wires to terminal blocks as described in
the previous table.
2.
Install heater rod then install heater rod retaining
ring (206). See F
3.
Install electrical enclosure access door (10). See
F
4.
If replacing the melter heater rod (209),
5.
If replacing pump heater rod (210),
feed ADM cable
through shroud then install shroud and connect
cable to ADM.
6.
If installing the pump heater rod (250),
install the
metal shroud (27):
a.
Place metal shroud on system.
b.
Install and tighten nuts (3).
c.
Pull the air tube through the metal shroud (27)
then connect the air tube (36) to the relief
valve (245).
7.
Feed ADM cable through plastic shroud then install
plastic shroud and connect cable to ADM.
Replace Fluid Pressure Relief Valve
1.
. See page 34.
2.
Close the system air inlet ball valve.
3.
Turn main power switch OFF.
4.
Remove the air tube (36) from the relief valve (245).
Pull the air tube through the metal shroud (27). See
F
5.
Remove nuts (3) then remove shroud (27).
Item
Wire
Marking 1
Wire
Marking 2
Band Heater (208)
J4-1
J4-2
Melter Heater Rod
(209)
J4-5
J4-6
Base Heater Rod (210) J4-7
J4-8
Pump Heater Rod
(210)
J4-3
J4-4
NOTICE
To prevent damaging the heater rod, do not use
thermal grease in the following step.
F
IG
. 45
ti20757a
245
244
36
3
27
Summary of Contents for 24T918
Page 16: ...Component Identification 16 333347F ...
Page 103: ...Accessories 333347F 103 ...
Page 129: ...Technical Data 333347F 129 ...