Graco SDM15 User Manual

3. Slowly open the main fluid valve.

a. Place the hose end (with no dispense valve 

connected) into a container for waste oil.

b. Secure the hose in the container so it will not 

come out during flushing. 

c. If you have multiple dispense positions, first 

flush the dispense position farthest from the 
pump and work your way toward the pump.

4. Slowly open the shut-off valve (B) at the dispense 

position. Flush out a sufficient amount of oil to 
ensure that the entire system is clean; then close 
the valve.

5. Repeat Step 4 at all other positions.

)

1. Relieve pressure, page 9.

2. Slide the swivel boot (32) back, over the hose, small 

end first, to access the swivel fitting (a).

3. Apply thread sealant to the male threads of the hose 

fitting. Thread the hose fitting into the meter swivel 
(31). Use two wrenches to tighten securely (F

1.

a. Loosen nut (a) until it is completely off tube 

threads. 

b. Thread extension (20) into housing (b) until it 

bottoms out. 

c. Align extension (20) with meter housing and 

handle (c). 

d. Firmly tighten nut (a). 

Make sure you let the sealant cure to the manufac-
turer’s recommendations before circulating fluid 
through the system.

31

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32

a

Do not use PTFE tape or thread sealant on threads of 
extension tube (20). This could cause the fitting to 
leak.

20

a

c

b

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