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313526J 39
L20c Supply Systems
Point of Operation Instructions
For use with non-heated bulk supply of medium to high viscosity sealants and adhesive materials.
Not for use in hazardous locations.
Safety Practices: The instruction on this sheet are abbreviated and are provided only as a customer service. They
are not meant to replace the Operation Manual. If you are unsure of the equipment’s safe and proper operation,
request Graco Operation Manual 313526. It is important that you read and understand all instructions and hazards
before operating this equipment.
SKIN INJECTION HAZARD
High-pressure fluid from gun, hose leaks, or
ruptured components will pierce skin. This may
look like just a cut, but it is a serious injury that can
result in amputation. Get immediate surgical treat-
ment.
• Do not point gun at anyone or at any part of the
body.
• Do not put your hand over the spray tip.
• Do not stop or deflect leaks with your hand, body,
glove, or rag.
• Do not spray without tip guard and trigger guard
installed.
• Engage trigger lock when not spraying.
•Follow Pressure Relief Procedure in this manual,
when you stop spraying and before cleaning,
checking, or servicing equipment.
MOVING PARTS HAZARD
Moving parts can pinch or amputate fingers and
other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or
covers removed.
SPLATTER HAZARD
During blowoff of platen splatter may occur.
• Use minimum drum removal air pressure.
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equip-
ment when operating, servicing, or in the oper-
ating area of the equipment to help protect you
from serious injury. This equipment includes
but is not limited to:
• Protective eyewear
• Clothing and respirator as recommended by the
fluid and solvent manufacturer
•Gloves
• Hearing protection
Start and Adjust Ram
1. Close all air regulators and air valves.
2. Set elevator director valve to UP and let the ram
rise to its full height.
3. Lubricate the platen seals with grease or other
lubricant compatible with the fluid you will pump.
4. Remove the drum cover and smooth the surface of
the fluid with a straightedge.
5. Put a full drum of fluid on the ram base, slide it back
against the drum stops, and center it under the
platen.
6. Remove bleed stick from platen bleed port.
7. Turn elevator director valve to DOWN and continue
to lower the ram until fluid appears at the platen
bleed port. Close the platen bleed port.
WARNINGS
Moving parts can pinch or amputate fingers. When
the pump is operating and when raising or lowering
the ram, keep fingers and hands away from the pump
intake, platen, and lip of the drum.
To avoid damage to the platen seals, do not use a
drum that is dented or damaged.
Point of Operation Instructions