Tadano TT-800XXL1, Service Manual

Page: 152 / 267

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Cab
Contents
■ Crane Cab Glass
1. Glass replacement procedure ................... 1
2. Bonding the joint between windshield glass
and roof glass................................ 2
■ Air Conditioner
1. Component parts ...................................... 3
2. Introduction to air conditioning .................. 4
2.1 Principle of air conditioning ........................ 4
3. Basic refrigeration cycle............................ 5
3.1 Construction ............................................... 5
3.2 Conditions for air conditioning equipment .. 6
3.3 Refrigerant.................................................. 7
3.4 Refrigeration cycle of a car air conditioner. 8
3.5 Comparison with a household air conditioner
............................................................. 8
3.6 Receiver functions...................................... 9
3.7 Reheat method (flow control valve).......... 10
3.8 Components ..............................................11
4. Layout .................................................... 13
4.1 Overall layout............................................ 13
4.2 Overall layout............................................ 14
4.3 Evaporator section ................................... 15
5. Compressor Ass’y................................... 16
6. Evaporator Ass’y..................................... 17
7. Condenser Ass’y..................................... 18
8. Electric .................................................... 19
8.1 Electric circuit............................................19
8.2 Main harness A .........................................20
8.3 Main harness B .........................................21
9. Important points for assembly (Layout) ... 22
9.1 Evacuation ................................................22
9.2 Charging
with refrigerant...........................22
9.3 Check for gas leakage and amount of
refrigerant charge ...............................23
9.4 Heated water circuit ..................................23
9.5 Run-in operation .......................................23
9.6 Bolt size and tightening torque .................23
10. How to charge air conditioner gas ........... 24
10.1 Charging gas in automatic operation .........24
10.2 How to charge air conditioner gas .............26
10.3 How to check air conditioner ......................28
11 Diagnosis table.......................................... 29
11.1 Car air conditioner system diagnosis table I
(Refrigeration circuit) ..........................29
11.2 Car air conditioner system diagnosis table II
(External causes other than insufficient
cooling and abnormal pressure) .........32
11.3 Car air conditioner system diagnosis table III
(Electrical system) ..............................34
11.4 Car air conditioner system diagnosis table IV
(Electronic thermo system) .................36
12. Compressor ............................................ 38
12.1 Compressor abnormal sound diagnosis chart
............................................................38
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