Scotsman MCM1062R User Manual download pdf (Page 9)

FOR THE INSTALLER: Coupling Instructions

/////////////////////////////CAUTION/////////////////////////////

The couplings on the sets of precharged lines are

self sealing when installed properly. Carefully

follow the instructions:

//////////////////////////////////////////////////////////////////////////

1. Remove the protector caps and plugs. Wipe the

seats and threaded surfaces with a clean cloth to

be certain that no foreign matter remains on them.

2. Lubricate the inside of the couplings, especially

the O-Rings with refrigerant oil.

•• The 3/8 inch liquid line (schrader valve end)

goes to the remote condenser fitting marked

“liquid line”.

•• The other end of the liquid line goes to the

icemaker fitting marked “liquid line.”

•• The 1/2 inch discharge line (schrader valve

end) goes to the remote condenser fitting

marked “discharge line”.

•• The other end of the discharge line goes to the

icemaker fitting marked “discharge line”.

3. Begin tightening the couplings together by

hand, then using two wrenches (it is important that

ONLY the nut on the precharged lines be turned,

the other parts of the couplings must NOT be

allowed to turn or the process will tear out the

diaphragms and they will be loose in the

refrigeration system) tighten the coupling until it

bottoms out or a definite increase in resistance is

felt.

4. Using a marker or pen, mark a line lengthwise

from the coupling union nut to the bulkhead. Then

tighten the coupling and additional 1/4 turn. As the

nut turns, the line will show when 1/4 turn is made.

5. After all connections are made, and after the

king valve has been opened, check the couplings

for leaks.

USE TWO

WRENCHES

ONLY TURN NUT ON

TUBING KIT, HOLD

TUBING STATIONARY

MCM1062R

October 1993

Page 9

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MCM1062R 1

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Scotsman MCM1062R User Manual Page 9

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