wsm M108S Workshop Manual page 59

M108S, WSM
Checking the Amount of Refrigerant (Gas)
1. A shortage of refrigerant impairs the air conditioner performance.
Check the following points. If it is indicated that the amount of
refrigerant is extremely low. Do to inspect and charge.
Checking procedure
1. Run the air-conditioner in the following conditions.
• Engine speed :
• Temperature control dial: Maximum cooling position (leftmost)
• Blower switch :
• Air-conditioner switch :
2. Look into the sight glass to see if the refrigerant is flowing through
its circuit.
(Reference)
(A) Proper
: Little or no air bubbles in the refrigerant flow.
(B) Low
: Lots of air bubbles in the refrigerant flow (air bubbles or foam
passing continuously).
(C) Overfull or no refrigerant
: Colorless and transparent
(1) Sight Glass
G-42
G GENERAL
-1
About 1500 min (rpm)
Highest blow (HI)
ON
(A) Proper
(B) Low
(C) Overfull or no refrigerant
W1057923
KiSC issued 05, 2012 A