(4) Checking Charge Refrigerant Amount; indications at ambient temperature 30 °C (86 °F), so it; should be noted that the pressure will differ some what- Page 764

Kubota L3560 Owners Manual

2014 Dodge Charger SRT Owner Manual

Table of Contents

L3560,L4060,L4760,L5060,L5460,L6060
9 ELECTRICAL SYSTEM
background image

CABIN

L3560, L4060, L4760, L5060, L5460, L6060, WSM

10-S21

(4) Checking Charge Refrigerant Amount

After  charging  the  refrigerant,  check  for  amount  of  charging

refrigerant as follows.

NOTE

• The pressure on the following checking are the gauge

indications at ambient temperature 30 °C (86 °F), so it
should be noted that the pressure will differ some what
with the ambient temperature.

1. Disconnect the 

1P

 connector (1) of magnetic clutch.

2. Start the engine and set a approx. 1500 min

-1

 (rpm).

3. Connect  the 

1P

  connector  (1)  of  magnetic  clutch  to  battery

directly, and then set the blower switch to 

HI

 position.

4. Leave  the  system  for  approx.  5  minutes  until  the  refrigerant

cycle becomes stable, keeping pressure on the 

HI

 pressure side

from 1.27 to 1.66 MPa (13 to 17 kgf/cm

2

, 185 to 242 psi).

5. When  the  refrigerant  cycle  is  stabilizer,  turn  off  the  blower

switch and let the compressor alone to run. Then pressure on

the 

LO

 pressure side gradually drops. At this time, if pressure

on the 

HI

 pressure side is kept from 1.27 to 1.66 MPa (13 to 17

kgf/cm

2

, 185 to 242 psi), air bubbles which pass through the

sight glass becomes as stated below depending on refrigerant

charged amount.

A: Insufficient refrigerant charge

Air bubbles pass continuously the sight glass when pressure on

the 

LO

 pressure side is over 99.0 kPa (1.01 kgf/cm

2

, 14.4 psi). In

this case, charge the refrigerant from the 

LO

 pressure side.

B: Properly refrigerant charge

Air  bubbles  pass  through  the  sight  glass  continuously  when

pressure  on  the 

LO

 pressure  side  is  within  59  to 98  kPa (0.6  to

1.0 kgf/cm

2

, 9 to 14 psi).

If  the  charge  refrigerant  amount  is  proper,  no  air  bubble  is

observed on the sight glass at pressure on the 

LO

 pressure side

over 99.0 kPa (1.01 kgf/cm

2

, 14.4 psi) when the blower switch is

turned  on.  When  the  blower  switch  is  turned  off,  bubbles  pass

through the sight glass in case pressure on the 

LO

 pressure side is

within 59 to 98 kPa (0.6 to 1.0 kgf/cm

2

, 9 to 14 psi).

C: Excessive refrigerant charge

Air bubbles pass through the sight glass time to time or no air

bubble is observed when pressure on the 

LO

 pressure side is under

59 kPa (0.6 kgf/cm

2

, 9 psi).

In this case, discharge excessive refrigerant gradually from the

LO

 pressure side.

9Y1210824CAS0046US0

(1)

1P

 Connector

(2)

LO

 Pressure Gauge

(3)

HI

 Pressure Gauge

(4)

HI

 Pressure Valve (Close)

(5)

LO

 Pressure Valve (Close)

KiSC issued 03, 2016 A

Detailed Information for Kubota L3560 Owners Manual

Lists of information found in Kubota L3560 Owners Manual - Page 764

  • 1. Disconnect the 1P connector (1) of magnetic clutch.
  • 2. Start the engine and set a approx.
  • 3. Connect the 1P connector (1) of magnetic clutch to battery directly, and then set the blower switch to HI position.
  • 4. Leave the system for approx.
  • 1.27 to 1.
  • 5. When the refrigerant cycle is stabilizer, turn off the blower switch and let the compressor alone to run.
  • 1.27 to 1.
  • 99.0 kPa (1.
  • 14.4 psi).
  • 1.0 kgf/cm 2 , 9 to 14 psi).
  • 99.0 kPa (1.
  • 14.4 psi) when the blower switch is turned on.
  • 1.0 kgf/cm 2 , 9 to 14 psi).
  • The pressure on the following checking are the gauge indications at ambient temperature 30 °C (86 °F), so it should be noted that the pressure will differ some what with the ambient temperature.

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