WD Catalog 2018

Figure Index

ii-2

Go to Figure In

dex Start - Table of Cont

ents - Index

6-1

Refrigerant Container Example ................................................................. 6-3

6-2

Manifold Gauge Set Function .............

..........................................

.............. 6-4

6-3

Manifold Gauge Set Hookup Location

.........................................

.............. 6-5

6-4

Compressor Service Valves Cutaway

View ..............................

.................. 6-6

6-5 R-

134a Service Ports/Hose End Fitt

ings .................................................... 6-6

6-6

Vacuum Pumps Illustrated .............

.......................................

..................... 6-7

6-7

Leak Detector Components & Func

tion - Halide Type ............................. 6-8 6-8 Leak Detector - Elect

ronic ..............

............................................................ 6-9 6-9 Flushing Kit Compon

ents - AC Syste

m.................................

..................... 6-9

6-10 Dips

ticks Measure Refrigeration Oil i

n Compressor ...........

................... 6-10

6-11

Refrigerant Charging Meters & Statio

ns Illustrated .............................. 6-11 7-1 AC System Maintenance Frequen

cy C

hart ..............................

................. 7-1

7-2

AC System Visual Inspection ..............

................................................

........ 7-3

7-3

AC System Inspection - Mounting Bol

ts .................................................... 7-3 7-4 AC Sy

stem Inspection - Fitting Leaks

....................................................... 7-5 7-5 AC System Inspec

tion - Electrical

Wiring ...............

................................... 7-6

7-6 AC System Cab T

emperature Range C

hart ............................................

... 7-8

7-7 AC System Inspec

tion - Sight Glass ....

....................................................

... 7-9

7-8 He ater

System Visual Inspection .......

.........................................

............. 7-10

7-9

Preventative Maintenance Schedul

e ........................................................ 7-12 8-1 Syste

m Operation Sequence ................

..............................

......................... 8-2

8-2 Manifold G

auge Set Installation ........

.....................................

................... 8-6

8-3 M anif

old Gauge Set Purging Setup ....

.......................................

................. 8-7

8-4 M anif

old Gauge Set Purging Center

Hose ..................

............................... 8-8

8-5 Trou

bleshooting With Gauges - Low R

efrigerant Rea

ding ..................... 8-10

8-6 Troub

leshooting With Gauges - Ver

y Low Refrigerant Reading ..........

... 8-11

8-7 Troub

leshooting With Gauges - Air

and Moisture ..

................................. 8-12

8-8 Troub

leshooting With Gauges - Ext

reme Air and Moisture ..................

.. 8-13

8-9 Tro

ubleshooting With Gauges - TX

V Stuck Closed ..............

................... 8-13

8-10 Troubl

eshooting With Gauges - TX

V Stuck Open ...........................

........ 8-15

8-11 Troubleshooting

With Gauges - Hig

h Side Restriction ...........

................ 8-16

8-12 Troubleshooting

With Gauges - Compressor Problem............................. 8-17

8-13 Troubleshooting W

ith Gauges - Condenser and Overcharge .................. 8-18

8-14 Tro

ubleshooting With Gauges - Thermostat Problem ............................. 8-19

9-1 Recovery/Recy

cle Station Example

............................

................................ 9-3

9-2 Recycled R

efrigerant Pressure Cha

rt .....................

.................................... 9-6

9-3 AC System

Evacuation Procedure ..

........................

.................................... 9-7

9-4 Va

cuum Pump ..................................

...............................................

............. 9-8

9-5 AC

System Charging - Low Pressur

e Side (Gas Refrigeran

t) ................... 9-9

9-6 AC S

ystem Charging - High Pressu

re Side (Liquid R

efrigerant) ........... 9-10

10-1

Clutch Wiring Schematic - Clutch C

ircuit ................................ ........

....... 10-3

10-2

Air Block Operation .........................

......................

.................................... 10-6

10-3 Co

nstant Temperature Control Syst

em ................................................... 10-8 11-1 Auxiliary Un

iversal Heater Illustra

ted .................................................

.. 11-1

11-2

Universal Heater/Defroster Illustra

ted .................................................

.. 11-2

11-3 Universal AC Unit Cab Roof Mou

Illustrated ...............

....................... 11-2

11-4 HVAC Combination Unit Illustra

d........................................................ 1

1-3

11-5

HVAC Under Dash Installation Illu

strated ....................

......................... 11-3

11-6 Roof Mounted

Condenser - Low Pro

file Illustrated ................................. 11-4 11-7 Auxiliary Un ivers

al HVAC Unit Ill

ustrated .....

....................................... 11-4

11-8 Sleeper Bo

x/Truck Cab Combo Syst

em ..........................

.......................... 11-5

11-9 Int

ercooler Installed Above Conden

ser ..........................

.......................... 11-5

12-1 R-134a Service

Ports/Hose End Fittings .................................................. 12-3

Fig. No. AC/Heater Combo System Components

Page