Toro 5020, 2020 SAE Straight Thread O-Ring Port - Non-adjustable, Hydraulic System Rev. A, Page 4

SAE Straight Thread O–Ring Port – Non–adjustable

1.Make sure both threads and sealing surfaces are free of burrs, nicks, scratches, or any foreign material.

2.Always replace the O–ring seal when this type of fit- ting shows signs of leakage.

3.Lubricate the O–ring with a light coating of oil.

4.Install the fitting into the port and tighten it down full length until finger tight.

5.Tighten the fitting to the correct flats from finger tight (F.F.F.T.).

Size			F.F.F.T.
4	(1/4 in. nominal hose or tubing)		1.00 + 0.25
6	(3/8 in.)		1.50 + 0.25
8	(1/2 in.)		1.50 + 0.25
10		(5/8 in.)	1.50 + 0.25
12		(3/4 in.)	1.50 + 0.25
16		(1 in.)	1.50 + 0.25

SAE Straight Thread O–Ring Port – Adjustable

1.Make sure both threads and sealing surfaces are free of burrs, nicks, scratches, or any foreign material.

2.Always replace the O–ring seal when this type of fit- ting shows signs of leakage.

3.Lubricate the O–ring with a light coating of oil.

4.Turn back the jam nut as far as possible. Make sure the back up washer is not loose and is pushed up as far as possible (Step 1).

5.Install the fitting into the port and tighten finger tight until the washer contacts the face of the port (Step 2).

6.To put the fitting in the desired position, unscrew it by the required amount, but no more than one full turn (Step 3).

7.Hold the fitting in the desired position with a wrench and turn the jam nut with another wrench to the correct flats from finger tight (F.F.F.T.) (Step 4).

Size			F.F.F.T.
4	(1/4 in. nominal hose or tubing)		1.00 + 0.25
6	(3/8 in.)		1.50 + 0.25
8	(1/2 in.)		1.50 + 0.25
10		(5/8 in.)	1.50 + 0.25
12		(3/4 in.)	1.50 + 0.25
16		(1 in.)	1.50 + 0.25

O–Ring

Figure 3

Lock Nut

Back–up Washer

O–Ring

Figure 4

Step 1 Step 3

Step 2 Step 4

Figure 5

Hydraulic System (Rev. A) Page 4 – 4 Sand Pro 2020/3020/5020