FITOK HPT-N Instrukcja obsługi - Strona 4

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Tube O.D., in.

1/2

9/16

3/4

5. Open the bleed valve. Loosen the nut and remove the

tubing from the hydraulic presetting tool.

6. Install the preset assembly into the fitting body and turn

the nut onto the fitting body until it is

While holding the fitting body steady, tighten the nut

1/4 turn with a wrench for tube O.D. 1/2", 9/16", 3/4",

and 1/2 turn for tube O.D. 1". See Fig. 4.

Fig. 4 Tighten Nut with Wrench

Reinstallation Instructions

1. Insert the tubing into the fitting body or the valve,

finger tight the nut.

2. While holding the fitting body or the valve steady, for

tubing O.D. 1'', tighten the nut to the previous assembly

position and further tighten it with a wrench; for other

dimension tubing, tighten the nut 1/4 turn with a

wrench for the initial reinstallation, and for reinstallations

thereafter, tighten the nut to the previous assembly

position and further tighten it with a wrench.

Table 1

Presetting Pressure, Mpa

13 15

20 22

33 36

45 47

finger

-tight.

Troubleshooting

1. If it is difficult to remove the tubing from the hydraulic

presetting tool after presetting, rock the tubing back

and forth.

Refer to the Recommended Minimum Wall Thickness

table - presetting tubing below the recommended

minimum wall thickness may result in tube sticking.

CAUTION

Do not rotate the tubing.

2. If the die head piston is binding, contact FITOK Group or

authorized distributors.

3. If the pump fails to build pressure, check the oil level in

the pump by removing the dipstick and checking for a

proper amount of oil. Too much or too little oil will

prevent the pump from operating properly.

4. The pump manufacturer specifies using 10W, AW-46

grade hydraulic oil or equivalent with an antifoaming

additive.

Recommended Minimum Wall

Thickness of Tubing for Use with

the Hydraulic Presetting Tool

WARNING

Use of tubing below the recommended minimum wall

thickness may result in the tube sticking in the die head.

Tubing Wall Thickness, in.

Tube O.D.,

Annealed Stainless

in.

Steel tubing

1/2

0.134

9/16

0.188

3/4

0.188

0.22

1/8-hard Stainless

Steel tubing

0.109

0.125

0.165

0.17