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White Industries Diagnostic 1090AT, Руководство по эксплуатации и обслуживанию

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25

Maintenance

High Pressure Error
If a high pressure error occurs, call service.

Tank Full/Empty
Tank full or tank empty icons will display
when the recovery tank is full or empty.

No Tank  Present
A no tank present error can occur if the
electrical cord is not connected to the
recovery tank. Connect cable to recovery
tank.

Replace Filter
A replace filter message will occur when
master filter/dryer usage time has expired.
Replace the master filter/dryer and reset the
automatic reminder monitor, refer to 

Filter

Reset.

Maintenance

Use this chapter to maintain your 

1090AT

diagnostic™ units’:
• Master filter/dryer,
• Particle filter,
• O-rings and gaskets, 
• Vacuum pump, and
• When storing the unit for prolonged 

periods.

A list of parts and accessories are also
included.

Equipment Tips

❐

Never attempt to change the recovery
tank while your 

1090AT diagnostic™

unit is in use.

❐

Always recover the service hoses before
disconnecting them from your 

1090AT

diagnostic™ unit. For additional
information refer to 

Recovering Service

Hoses.

❐

Always oil the seals before connecting
to any tank, filter or fitting. A leaky
connection or no-flow condition may
result if the connection is assembled
dry.

❐

Always close all recovery tank valves,
clockwise, when your 

1090AT

diagnostic™ unit is not in use.

Master Filter/Dryer

Change the master filter/dryer when the
filter time monitor has reached 20 hours
since the last master filter/dryer change.
Replacement of the master filter/dryer will
also be indicated by the REPLACE FILTER
message on the screen. The filter monitor
has a reset of 20 hours of recovery time.
During the course of recycling, this number
increases from zero. When 20 hours is
reached, the master filter/dryer needs to be
replaced and the monitor reset. Refer to
Resetting Master Filter/Dryer Monitor or
Filter Reset. Recovered refrigerant quality
may be comprised if the filter is not
replaced when required.

Changing the Master Filter/Dryer

Follow this procedure to change the master
filter/dryer.

WARNING

• Wear safety goggles and protective

gloves, user and bystander. Everyday
eyeglasses only have impact resistant
lenses, they are NOT safety glasses. If
any refrigerant gets into eyes, flush
with water and seek a doctor’s aid
immediately, even though irritation
may cease.

• Do not remove the master filter/dryer

while under pressure. Perform the
maintenance procedure for removing
the master filter/dryer in this section.

• Prevent refrigerant from contacting the

skin.

• Read, understand and follow 

Safety

Information in the front of this manual.

1. Evacuate the service hoses by recovering

if necessary and pulling a vacuum. For
additional information refer to

Recovering

Service Hoses.

2. Turn power OFF to the 

1090AT

diagnostic™ unit and remove power cord
from wall outlet.

3. Unscrew the two hose fittings from the

master filter/dryer.

For Reference Only

Содержание Diagnostic 1090AT

Страница 1: ...OPERATIONS and MAINTENANCE MANUAL White 1090AT diagnostic Refrigerant Recovery Recycle Recharge Unit For Reference Only ...

Страница 2: ...For Reference Only ...

Страница 3: ...24 Adding Refrigerant to the 1090AT diagnostic Unit 24 Errors and Messages 24 1 Maintenance 25 Equipment Tips 25 Master Filter Dryer 25 Changing the Master Filter Dryer 25 Resetting Master Filter Dryer Monitor 26 Changing a Particle Filter 26 Check and Replace O rings 26 Maintaining the Vacuum Pump 27 Checking Vacuum Pump Oil Level 27 Adding Oil to Vacuum Pump 27 Changing Vacuum Pump Oil 27 Changi...

Страница 4: ...is understanding of principles and operating theories is necessary for competent safe and accurate use of this instrument Before using your 1090AT diagnostic unit always refer to and follow safety messages and applicable test procedures provided by the manufacturer of the vehicle or equipment being tested Read All Instructions Read understand and follow all safety messages and instructions in this...

Страница 5: ...jury Refrigerant WARNING Risk of expelling refrigerant under pressure Wear safety goggles and protective gloves user and bystander Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses If any refrigerant gets into eyes flush with water and seek a doctor s aid immediately even though irritation may cease Do not remove master filter dryer while under pressure Perform main...

Страница 6: ...cease Expelled oil can cause injury General WARNING Risk of tank overfill or rupture Do not connect TSD Tank full Shutdown Device to any equipment that is not designed for use with TSD tanks Tank overfill or rupture can cause injury WARNING Engine systems can malfunction expelling fuel oil vapors hot steam hot toxic exhaust gases acid refrigerant and other debris Wear safety goggles and protective...

Страница 7: ...ant leakage Always close the service valves and the control panel valves before disconnecting a hose coupling A loosened hose coupling can leak refrigerant into the atmosphere CAUTION Misdiagnosis may lead to incorrect or improper repair and or adjustment Do not rely on erratic questionable or obviously erroneous test information or results If test information or results are erratic questionable o...

Страница 8: ... Equipment Damage Situations arise during testing that could damage the vehicle or the test equipment The word IMPORTANT signals these situations Example IMPORTANT Failure to follow these instructions could damage unit Safety Messages Safety messages are provided to help prevent personal injury and equipment damage All safety messages are introduced by a signal word indicating the hazard level The...

Страница 9: ... refrigerant Purging The process of bleeding off non condensable gases from the recovery tank Introduction Use your WHITE 1090AT diagnostic unit to recover recycle evacuate and charge refrigerant on automotive air conditioning systems Functions may be performed automatically or manually When powered up the 1090AT diagnostic unit performs a self test Your 1090AT diagnostic unit monitors error condi...

Страница 10: ...ric lifetime of about 15 5 years Environmental Protection Agency EPA and state regulations specify that Provisions be made to certify all air conditioning service installation and repair personnel Refrigerant be recovered recycled or reclaimed from automotive air conditioning systems instead of allowing vapors to be expelled or vented into the atmosphere and Refrigerant should be recycled and reus...

Страница 11: ...rant 12 Some vehicles using OZ 12 can be identified by a label that may be placed in the engine compartment but many cannot be identified Studies are currently being conducted to develop a procedure to identify the type of refrigerant in a refrigerant system State agencies and the Environmental Protection Agency EPA are moving to ban flammable substitutes If it is suspected that a refrigerant syst...

Страница 12: ...mation may be obtained from refrigerant and lubricant manufacturers Exposure can irritate eyes nose and throat Functional Description Front View Figure 1 1090AT diagnostic Front View A Integral Gauge Set High and low pressure panel mounted gauge set for monitoring vehicle A C system pressure B Control Panel Houses graphic display screen and control buttons C Graphic Display Screen 240 x 64 pixel s...

Страница 13: ...acuum Pump Fill Port Vacuum Pump Fill Port Located inside the unit under the control panel R 134a Accessories Figure 4 R 134a Accessories A Service Hoses Red and blue hoses with shut off adapters for your 1090AT diagnostic unit to connect to the vehicle For additional information refer to Connecting Service Hoses to Vehicle B Auto Shut off Adapters Couplers Connects to high and low side service po...

Страница 14: ...edures Install the hose wrap to the side of the unit and the handle to the rear of the unit with the hardware supplied in the accessory kit Preparing and Installing Recovery Tank The recovery tank is shipped with a dry air charge The charge must be vented and the tank evacuated before use Use the following procedure to evacuate the dry air from the recovery tank and install it in your 1090AT diagn...

Страница 15: ...the back of the unit 3 Connect the float probe electrical connector to the recovery tank 4 Place the shorter pair of Velcro straps securely around the recovery tank Use only the 50 pound capacity recovery tank supplied with your 1090AT diagnostic unit or one indicated by the warning label on the back of the unit Using any other type or capacity tank could create the danger of explosion and potenti...

Страница 16: ... to LCD CONTRAST and press ENTER The 1090AT diagnostic will automatically cycle through the contrast range 5 Press N to set the contrast when the screen is acceptable Adjusting Altitude Use the procedure in this section to adjust the altitude reading Altitude MUST be adjusted to the local altitude level for proper digital vacuum readings and identifier operation and calibration 1 Power up the 1090...

Страница 17: ...ully evacuated to perform this function refer to Tank Preparation Recovery and virgin tank hoses must be installed Virgin tank must be installed with valve down All tank valves must be open 1 Power up the 1090AT diagnostic unit 2 Press the UP DOWN arrows until SETUP MENU is highlighted 3 Press ENTER 4 Position next to TANK SETUP and press ENTER 5 Follow onscreen prompts 6 Press Y to continue Press...

Страница 18: ...up instructions in SETUP to add nominal amount of refrigerant to prepared tank Basic Sequence of Operation 1 Identify Refrigerant Optional identifier accessory mandatory with identifier installed 2 Check vehicle vent temperature Optional temperature probe accessory 3 Display before service snapshot 4 Printout before service snapshot Optional printer accessory 5 Recover vehicle A C refrigerant 6 Re...

Страница 19: ...ting temperature is reached The unit and vehicle are ready to recover and recycle refrigerant Allow Adequate Evacuation Time Evacuate the vehicle A C system for a minimum of 30 minutes This helps ensure vehicle A C system is free of non condensable gases mostly air and moisture Sometimes a small amount of refrigerant is left in the vehicle A C system that is not practical to recover If recovery ti...

Страница 20: ... calibrate identifier 5 When calibration is complete connect identifier sample hose to low side port on vehicle A C system 6 Press ENTER to identify refrigerant 7 If refrigerant is successfully identified as R 134a the recovery process can be initiated Recover Recycle 1 Open the liquid and vapor recovery tank valves Empty the oil drain bottle right bottle after each recovery 2 Power up the 1090AT ...

Страница 21: ...pply in your area 8 Press the N button to return to the main menu screen 9 Close the blue and red service hose couplers before removing service hoses from the vehicle Purging Non condensable Gas Purging non condensable gases is an automatic feature executed by the 1090AT diagnostic unit Evacuating A C System Use this procedure to remove non condensable gases and moisture from the vehicle A C syste...

Страница 22: ...xpand during a vacuum hold cycle or a leak test and falsely report a leak condition that does not exist When the leak is identified repeat Recover Recycle procedure repair the leak and attempt the Evacuation procedure again Adding Lubricant and Dye to the Vehicle A C System Lubricant and or dye can be added to the vehicle system with the 1090AT diagnostic unit only when the vehicle system is in a ...

Страница 23: ...h chamber the compressor will build pressure in the chamber to 150 PSI at which time the unit will begin charging the system The display will show zero and start counting up to the designated charge amount 10 When complete press the N button to return to the main menu screen 11 Close the blue and red service hose couplers before removing service hoses from the vehicle Any refrigerant in the batch ...

Страница 24: ... be programmed in any order 2 Select VACUUM and press ENTER vacuum time will default to 20 minutes If desired time may be changed If a leak check is performed and a leak is detected after the vacuum process the 1090AT diagnostic unit will not continue If QUIT is selected all settings will be lost 3 Select CHARGE and press ENTER to change the refrigerant supply tank and the charge amount 4 Begin cy...

Страница 25: ...are closed on both virgin and recycled tanks 1 Disconnect the hose from the virgin tank 2 Remove the Velcro straps from the virgin tank 3 Remove the virgin tank from the 1090AT diagnostic unit 4 Disconnect the hoses from the recovery tank 5 Disconnect the tank float probe cable 6 Remove the Velcro straps from the recovery tank 7 Gently remove the recovery tank from the 1090AT diagnostic unit Recov...

Страница 26: ...k 2 Connect the blue service hose from the 1090AT diagnostic unit to the virgin refrigerant supply tank 3 Open the following Virgin supply tank valve and Blue service hose coupler 4 Power up the 1090AT diagnostic unit 5 Select RECOVER and press ENTER The refrigerant flows from the virgin tank through your 1090AT diagnostic unit and into the prepared recovery tank 6 When the desired amount of refri...

Страница 27: ...dryer when the filter time monitor has reached 20 hours since the last master filter dryer change Replacement of the master filter dryer will also be indicated by the REPLACE FILTER message on the screen The filter monitor has a reset of 20 hours of recovery time During the course of recycling this number increases from zero When 20 hours is reached the master filter dryer needs to be replaced and...

Страница 28: ... are located on the system and tank hoses WARNING Wear safety goggles and protective gloves user and bystander Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses If any refrigerant gets into eyes flush with water and seek a doctor s aid immediately even though irritation may cease Do not remove a particle filter while under pressure Perform the maintenance procedure ...

Страница 29: ...iginal position 9 Replace plastic top cover and screws Changing Vacuum Pump Oil The vacuum pump oil must be changed at least every 6 months The oil may have to be changed earlier if the oil is no longer clear when viewed through the sight glass 1 Turn power OFF to the 1090AT diagnostic unit and remove power cord from wall outlet WARNING Wear safety goggles and protective gloves user and bystander ...

Страница 30: ... storing your 1090AT diagnostic unit for prolonged periods 3 months or more of time Storage temperature should not exceed the limits of 4 to 140 F 1 Change the vacuum pump oil Refer to Changing Vacuum Pump Oil 2 Close both hand valves on the recovery and virgin tanks 3 Remove the yellow hose from the recovery tank 4 Close both service hose couplers Replacement Parts Part Number Description 1 27280...

Страница 31: ...ctro mag netic stress and or any other condition outside of Seller s environmental specifications H use of this unit in combination or connection with other equipment attachments supplies or consumables not manufactured or supplied by Seller or I failure to comply with any applicable federal state or local regulation requirement or specification governing emission analyzers and related supplies or...

Страница 32: ...ZEEAC720A rev A 2002 White Industries Printed in U S A For Reference Only ...

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