Samsung AJ020MCS3CH Installation Manual - page 29

29

English

Extr

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1  Tighten the cap securely.

Outer Diameter

(inch)

Tightening torque

Body cap

(lbf·ft)

Charging port

cap (lbf·ft)

ףߢ࢏ߤߧ

0.14 to 0.18

0.07 to 0.09

ףߢ࢏ߥߩ

ףߢ࢏ߧߢ

0.18 to 0.22

ףߢ࢏ߨߥ

0.22 to 0.25

   NOTE

• Do not apply excessive force to the stop valve and 

always use special instruments. Otherwise, the 

stopping box can be damaged and the back sheet can 

leaks.

• If the watertight sheet leaks, turn the axis back by 

half, tighten the stopping box, then check the leakage 

again. If there is no leakage any more, tighten the axis 

entirely.

Closing the stop valve

1  Remove the cap.

2  Turn the stop valve clockwise by using a hexagonal 

wrench.

3  Tighten the axis until the valve reached the sealing 

point.

4  Tighten the cap securely.

  CAUTION

• When you use the service port, always use a charging 

hose, too.

• Check the leakage of refrigerant gas after tightening 

the cap.

• Must use a spanner and wrench when you open/

tighten the stop valve.