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Instructions-Parts List
Metered Dispensing Valve
For metered dispense of petroleum and synthetic oils.
1000 psi (7 MPa, 69 bar) Maximum Working Pressure
4 gpm (15.1 lpm) Maximum Flow Rate
Model 256556 (1-16 quarts) Flex Extension
Model 256786 (1-16 quarts) Rigid Extension
Model 256787 (1-16 quarts) Gear Lube Extension
Model 253601 (1-10 liters) Flex Extension
Model 256788 (1-10 liters) Rigid Extension
Model 256789 (1-10 liters) Gear Lube Extension
Important Safety Instructions.
Read all warnings and instructions in this manual.
Save these instructions.
Table of Contents
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256556 Shown
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309583D
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Summary of Contents for Graco 256556
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Page 1: Table Of Contents
For metered dispense of petroleum and synthetic oils. 1000 psi (7 MPa, 69 bar) Maximum Working Pressure 4 gpm (15.1 lpm) Maximum Flow Rate Model 256556 (1–16 quarts) Flex Extension Model 256786 (1–16 quarts) Rigid Extension Model 256787 (1–16 quarts) Gear Lube Extension Model 253601 (1–10 liters) Flex Extension... -
Page 2: Symbols And Warnings
D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are not sure, call Graco Technical Assistance at 1–800–533–9655. -
Page 3: Operation
Operation Pressure Relief Procedure NOTE: Clean inlet screen regularly 1. Insert the nozzle into the fluid receptacle and pull the trigger. WARNING 2. Watch the meter pointer on the meter dial move, PRESSURIZED EQUIPMENT and release the trigger when the desired amount HAZARD of fluid has been dispensed. -
Page 4: Service
Service Piston and 2. Insert a screwdriver into the notch of the chamber Chamber assembly and pry off the chamber top (B). See Fig Assembly 3. Remove all parts. 3. Clean the parts and blow them dry. 2 (203687 shown) 4. -
Page 5: Parts
(see Fig. 2 on page 4) 203687 NOZZLE ASSEMBLY Flexible Extension (varies by model number) 203687 NOZZLE ASSEMBLY; flexible extension For models 256556 and 253601) (includes items 2a–2b) 109160 . HOSE, coupled; 1 ft (0.3 m); TI0408 1/2 npt(m) x 1/4 npt(f) 203655 . -
Page 6: Graco Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.