Graco 25D117, Операция

Страница: 33 / 50

Repair
3A5354B 33
Replace Platen Heaters and
Sensor O/T Device
1. Turn the main power switch (MP) OFF.
2. Follow the steps to Disconnect Platen from Pump
on page 32.
3. Remove the bleed stick (DE).
4. Remove all four plugs (DA) on the guard (DC), then
remove the nuts (DB) to disassemble the guard.
5. Disconnect the platen receptacle (DG) from the
guard. Disconnect the pin from the platen recepta-
cle (DG) with the needle withdrawal tool shown in
F
IG
. 35.
6. Replace the heater (PH), sensor (SE), or over tem-
perature device (OT).
7. Install the pin onto the heater wire and sensor wire
with the special crimping tool shown in F
IG
. 36.
Install the pins into the relative terminals. Refer to
F
IG
. 34 and T
ABLE
4:.
Table 4: Pin Installation
8. Reinstall the platen as shown in F
IG
. 37.
F
IG
. 34: Pin Terminals
Wire Type Pin Type Pin Terminal
Heater Wire RC16M23K C/D
O/T RC16M23K E/H
Sensor Wire RC20M13K K/M
Grounding RM16M23GE1K B
F
IG
. 35: Needle Withdrawal Tool
A
B
C
D
E
F
G
H
J
K
L
M
F
IG
. 36: Crimping Tool
F
IG
. 37: Reinstall Platen
DB
DC
DD
DF
DA
DE