Graco Dispensit 1053-10C, Operation & Maintenance Manual

Page: 18 / 30

Pressure Relief Procedure
18 3A0874F
Pressure Relief
Procedure
1. Retract the metering rods. See the Control Box
manual. See Related Manuals on page 2.
2. Close the fluid shut-off valve.
3. Remove needle.
4. Dispense 5 shots. Shots should be at least 75% of
the full stroke.
5. Extend the metering rod into the tubes. If Graco
controls are provided with the system, see the Con-
trols manual. See
Related Manuals on page 2.
6. Close the incoming air shut-off/bleed valve that sup-
plies air to the metering valve.
7. Close the incoming air shut-off/bleed valve that sup-
plies the feed system. Refer to feed system manual
for pressure relief procedure.
Shutdown
1. Perform Pressure Relief Procedure .
2. Inspect the metering rod for material buildup. Clean
as necessary.
3. Lubricate the metering rod with compatible lubricant
such as mesamoll or silicone oil.
4. Remove needle adapter and replace with 10-32 set
screw.
Maintenance
Perform the following procedures once a shift.
NOTE: If material is leaking, see Troubleshooting on
page 19.
Material Reservoirs
Check material levels and refill as necessary. Ensure
that the material reservoirs are properly vented.
Air Dryer
Check the condition of the desiccant air dryer. Replace
as necessary.
Metering Rod Port (oil cup)
Lubricate with compatible lubricant such as mesamoll or
silicone oil. See F
IG
. 7 on page 16.
Spool Valve Port (wet cups)
Fill with compatible lubricant such as mesamoll or sili-
cone oil. See F
IG
. 7 on page 16.