Maintenance; Preventive Maintenance - Graco PSM Instructions Manual

Maintenance

Preventive Maintenance

There is a grease filled secondary seal/bearing area on
each valve shaft (Dispense Valve (AB, page 8)) and
Reload Valve (AD, page 8). Every 10,000 cycles or
twice each month, new grease should be flushed
across this area.
T o grease the valve:
1. Remove the fitting from the front or back of the
valve. For the detailed information, please check IQ
Dispense Valves Instructions and Parts Manual
Maintenance Schedule
Item
1
Check the power and air pressure for the system.
2
Clean and replace the static mixer.
3
Inject grease to the lubricated kits of the PSM
Machine (H, page 7).
4
Clean and inject grease to the Inlet Valve (AE,
page 8) and the Dispense Valve (AB, page 8).
5
Check the Piston Observation Hole (AG,
page 8)of the PSM Machine (H, page 7).
6
Check and tighten the screws and nuts of the
moving parts.
7
Replace the seal kits of Reload Valve (AD,
page 8) and the Dispense Valve (AB, page 8).
8
Replace the rods and needles of the Reload
Valve (AD, page 8) and the Dispense Valve (AB,
page 8).
9
Replace pistons and O-rings of the PSM
Machine (H, page 7).
10
Calibration the pressure sensor.
11
Replace the metering tube.
3A7273B
Task
333585, and 1K Ultra-Lite Instructions and Part List
Manual 308876.
2. Pump grease (115982) with grease gun (117792)
across the valve until clean grease comes out the
other side.
3. Reinstall the fitting.
NOTE: The maintenance schedule changes with
different material types and actual machine using
situations.
Daily Monthly Quarterly Semiannually
✓
✓
✓
✓
✓
✓
✓
Maintenance
Yearly
✓
✓
✓
✓
43