Collection, Vacuuming And Charging; Collecting Refrigerant; Vacuuming Out The System - Kubota KX080-4 Workshop Manual

KX080-4, WSM

[2] COLLECTION, VACUUMING AND CHARGING

IMPORTANT
• Follow 4. Precautions when Repairing the Refrigerant Cycle when discharging, vacuuming and charging
the refrigerant system.

(1) Collecting Refrigerant

(2) Vacuuming Out the System

No.
(1) Check the connected parts and correct any problems
(2) Start vacuuming
(3) Stop vacuuming
(4) Check the concentration
(5) Charge with refrigerant
(6) Check for gas leaks
(7) Charge with refrigerant
Get a R134a refrigerant collection/recycling device ready to
use.
1. Connect the low-pressure hose (blue) (4) from the refrigerant
collection/recycling machine to the low-pressure side charge
valve (1). Connect the high-pressure hose (red) (5) to the
high-pressure charge valve (2).
2. Follow the instructions of the manufacturer and discharge the
refrigerant from the cooling system.
IMPORTANT
• Do not use device except an R134a refrigerant collection
and recycling machine. In order to prevent damage to the
compressor, do not mix R134a equipment, refrigerant or
compressor oil into an R12 system.
CAUTION
• When removing the charge valve hose, cover it with a rag
to protect your fingers and eyes from frost bite from the
refrigerant.
(1) Refrigerant charging hose
(blue or yellow)
(2) Refrigerant charging hose (red)
(3) High-pressure valve
(4) Low-pressure valve
Description of Work
5-S15
(5) Manifold gauge
(6) Low-pressure side charge valve
(7) High-pressure side charge valve
Remarks
Approx 15 minutes, 750 mmHg (229 in.Hg) or greater
Leave for five minutes
If the gauge indicates abnormally, return to (1)
2
98 kPa (1.0 kgf/cm , 14 psi)
CABIN
RY9212001CAS0026US0
RY9212148CAS0006US0
RY9212001CAS0028US0
KiSC issued 08, 2015 A