Thermo King 903491 Truck Refrigeration Manuals

Manuals and User Guides for Thermo King 903491 Truck Refrigeration. We have 1 Thermo King 903491 Truck Refrigeration manual available for free PDF download: Maintenance Manual

Thermo King 903491 Maintenance Manual (84 pages)

Brand: Thermo King | Category: Automobile Accessories | Size: 4.64 MB

Table of Contents
7
Maintenance Inspection Schedule
42
Electronic Control System
42
Defrost System
42
Defrost Termination Switch
42
Replacement
43
Removal
43
Installation
43
Liquid Injection System
43
Only)
43
Testing Liquid Injection Solenoid Valve and Metering Orifice
43
Testing Liquid Injection Switch
43
Lisw
43
Liquid Injection Switch (LISW)
43
Condenser Fan Motor
44
Condenser Fan Motor Removal and Installation
44
Removal
44
Evaporator Fan Motors
44
Evaporator Fan Motor Removal and Installation
44
Drain Line Heaters - DH1 and DH2
44
Drain Line Heater Replacement
45
Removal
45
Installation
45
Fuses
45
Relays
47
Relay Testing
47
Relay Replacement
48
Diode Assemblies
48
LIS Diode Assembly
48
Only)
48
BYPS Diode Assembly (Model 30 and Model 50 Units Only)
48
Diode Assembly Testing
48
Units Only
49
Electrical Contactors
50
CMC
50
Replacement
50
Electric Heat Contactor - HC
50
Option Only)
50
Electric Heat Contactor
50
Compressor Motor Overload Relay
50
Transformer - T1
51
Transformer Testing
51
Transformer Replacement
52
Bridge Rectifier - BR
52
Capacitors
52
Capacitor Testing
52
Capacitor Replacement
52
Start Relay - SR
53
Start Relay Testing
53
Start Relay Replacement
53
Compressor Motor
53
Testing 115/1/60 Units
53
Testing 208-230/1/60 Units
53
Compressor Motor Replacement
54
Electric Standby Circuits
54
Heat Option - Truck Engine Coolant
55
Heat Option - Truck Engine Coolant and Electric Standby Heater Strip
56
Maintenance Inspection Schedule
57
Evacuating and Charging the Refrigeration System
57
Checking the Refrigerant Charge
57
An Empty Box
57
Loaded Box
57
Charging
58
Checking Compressor Oil Charge
58
Refrigeration System Checks
59
Cleanup Procedure for Small Truck
59
Units
59
Tools Required
59
Clean-Up Procedure
59
Putting the Unit Back into
59
Operation
59
R R E E F F R R I I G G E E R R a a T T I I O O N N S S E E R R V V I I C C E E O O P P E E R R a a T T I I O O N N S
62
Engine Driven Compressor
64
Removal
64
Installation
64
Electric Standby Compressor
65
Removal
65
Installation
65
Condenser Coil
65
Drier
65
Discharge Pressure Transducer
65
(Dpt)
65
Hot Gas Solenoid (HGS) Test
65
Liquid Injection Solenoid (LIS) Test
66
Condenser Inlet Solenoid (CIS) Test
66
CPR Bypass Solenoid Test
66
Solenoid Valve Replacement
67
Removal
67
Installation
67
Oil Separator
67
Splice Fitting
67
Liquid Injection Metering Orifice
67
Valve
67
Only)
68
Discharge Check Valve
68
Replacement
68
Removal
68
Installation
68
Expansion Valve Assembly
68
Checking Superheat
68
Expansion Valve Replacement
69
Removal
69
Low Pressure Cutout Switch (LPCO)
69
Low Pressure Cutout Switch
69
Test
70
Low Pressure Cutout Switch
70
Replacement
70
Removal
70
Installation
70
Suction Pressure Regulator Valve
70
MAX Only)
70
(Model 30 and 50 Only)
70
Compressor Pressure Regulator Valve
71
Valve Test
71
Valve Replacement
71
Removal
71
Installation
71
Accumulator
71
Only)
71
Liquid Line Check Valve
71
Liquid Line Check Valve Test
71
Replacement
71
Removal
72
Installation
72
Replacing Refrigerant Hoses
72
Clip System)
72
Compressor Failures
73
Compressor Test
73
Belt Tensions
73
Engine Driven Compressor Belt and Pulleys
73
Electric Standby Compressor
74
Maintenance Inspection Schedule
75
Condenser and Evaporator Coils
75
Recommendations
75
Cleaning Intervals
75
Cleaning Methods
75
Unit Mounting Bolts
76

Thermo King Categories

Refrigerator Automobile Accessories

Air Conditioner Portable Generator Heat Pump

More Thermo King Manuals

Thermo King 903491 Truck Refrigeration Manuals

Thermo King 903491 Maintenance Manual (84 pages)

Table of Contents

Related Products

Thermo King Categories