Replace Platen Rtd - Graco Therm-O-Flow 20 Instructions - Parts Manual

Replace Platen RTD

Reference Electrical Schematics, page 61, for wiring
connections.
1. If the material pail has already been removed from
the supply unit, go to step 2. If you need to remove
the material pail, see Change Pail, page 37.
2. Make sure the Ram plate is down and the Ram
Director Valve is in the OFF position.
To reduce the risk of injury or damage to equipment,
make sure the Main Power Switch is off before
continuing with this procedure.
3. Turn the Main Power Switch OFF.
334129S
4. Remove the front and right side Pump cover.
F
IG
5. Remove the Platen RTD (616) from the Platen.
CC
6. Disconnect the Platen RTD quick connect terminal
CB
7. Attach the leads from the new sensor (616) to the
8. Install the new sensor (616) into the follower/tire
9. Reconnect the quick connect terminal (625).
10. Replace the Pump covers.
625
. 28:
(625) from J5 connector on MZLP MZTCM-1 or
MZTCM-5.
leads of the old sensor and pull the new sensor
leads through the cable Pump shield, Cable Track,
and into the Electrical Enclosure.
plate after coating with non-silicone heat sink
compound. Tighten compression nut. Ensure RTD
is fully inserted.
Repair
616
326
49