Graco 25D117, Operation

Page: 32 / 50

Repair
32 3A5354B
Disconnect Platen from Pump
NOTE: Allow the platen to cool before disconnecting
from the pump.
1. Turn the main power switch (MP) OFF.
2. Perform the Pressure Relief Procedure on page
20.
3. Disconnect the blow off tube (H) from the blow off
valve.
4. Disconnect the cable connector (DH) from the
platen receptacle (DG).
5. Remove the two set screws (Z) from the platen. See
F
IG
. 23 on page 24.
6. Open the main ball valve (BA), then raise the ram
up and separate the platen from the pump.
Connect Platen to Pump
1. Raise the ram up, leaving enough space to put the
platen onto the base plate.
2. Put the platen under the lower and align it. Ensure
the seal ring is installed onto the lower.
3. Drop the lower into the platen until it reaches the
bottom. Adjust the handle’s position to ensure the
bleed stick is on the correct side.
4. Tighten the two set screws (Z) on the platen.
5. Connect the blow off tube (H) onto the valve.
6. Connect the cable connector (DH) onto the platen
receptacle.
F
IG
. 32: Blow Off Tube Disconnected
H
Valve
DH
DG
F
IG
. 33: Blow Off Tube Connected
H
Valve
DH
DG