hệ thống khí nén trên xe đầu kéo mỹ Freightliner Coronado SD

There are many factors that determine the size, quantity, and location of air tanks on any given vehicle. Some of the factors that determine the air tank size include: • Brake size • Number of Axles • Type of brakes (drum vs. disc)This information, along with government safety regulations, help determine the volume of air required. The quantity and location of the air tanks is determined by the following: • Fuel tank, type, size, and location • Exhaust type and location • Wheelbase • EngineTransmission (including PTOs) • Other framemounted components (battery box, backofcab access steps, air dryer, etc.) • Clear frame requests (module 607) • Location specific sales codes for air tanks (module 460)These last two points are often the customers most direct influence on the location of air tanks. If you would like to keep air tanks out of a certain area then use a 607 code. If you would like to specify where air tanks should go then use a location specific 460 sales code.Schematic information: Four basis chassis schematics are included in this section. All body builder air supplies that are not vehicle brake related must tie into pressure protected air. See module 46D schematic ports 1 and 4 for air supply. It is NOT allowed to tie into transmission supply port line 2 or ureawastegate supply port line 3. Additional information about air system may be found by a review of the 99S sales code for your particular

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Freightliner Coronado SD Cab and Chassis Vocational Reference Guide

Air System Section

6

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Air System

Page 6-1

There are many factors that determine the size, quantity, and location of air tanks on any given vehicle

Some of the factors that determine the air tank size include:

• Brake size

• Number of Axles

• Type of brakes (drum vs disc)

This information, along with government safety regulations, help determine the volume of air required.

The quantity and location of the air tanks is determined by the following:

• Fuel tank, type, size, and location

• Exhaust type and location

• Wheel-base

• Engine/Transmission (including PTO's)

• Other frame-mounted components (battery box, back-of-cab access steps, air dryer, etc.)

• Clear frame requests (module 607)

• Location specific sales codes for air tanks (module 460)

These last two points are often the customers most direct influence on the location of air tanks.

If you would like to keep air tanks out of a certain area then use a 607 code.

If you would like to specify where air tanks should go then use a location specific 460 sales code.

Schematic information:

Four basis chassis schematics are included in this section.

All body builder air supplies that are not vehicle brake related must tie into pressure protected air.

See module 46D schematic ports #1 and #4 for air supply It is NOT allowed to tie into transmission supply port line #2 or urea/wastegate supply port line #3.

Additional information about air system may be found by a review of the "99S" sales code for your particular vehicle.

Air Tank Location Guide

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Air System

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Air System

Page 6-3

1350 Air Tank, Steel, 9"

0.47(12)

9.09(231)

22.98(584)1/2”-14 NPTF

(BOTH ENDS)

3/8”-18 NPTF

3.84(98)3.25(87)

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Air System

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Air System

Page 6-5

0.47(12)

9.09(231)

34.02(864)1/2”-14 NPTF

3/8”-18 NPTF

3.84(98)

3.25(83)

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Air System

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Air System

Page 6-7

1/2”-14 NPTF(BOTH ENDS)

SUPPLY

800 CUBICINCHES

PRIMARY

2200 CUBICINCHES

4300 Air Tank, Triple, Steel, 12"

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Air System

1.69(43)

12.20(310)

56.50(1435)

1/2”-14 NPTF

5.41(137)

5.00(127)

3.47(88)

1.14(29)

1.34(35)

0.47(12)

5.41(137)

5.00(127)

12.95(329)

1/2”-14 NPTF

15.71(399)

18.46(469)

14.33(364) 15.39(391)17.09(434)

3/8”-18 NPTF

SECONDARY

1300 CUBICINCHES

SUPPLY

800 CUBICINCHES

PRIMARY

3800 CUBICINCHES

1.11(28)

5900 Air Tank, Triple, Steel, 12"

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Air System

Page 6-9

0.47(12)

9.09(231)

3.54(96)

1/2”-14 NPTF

(BOTH ENDS)

3/8”-18 NPTF

3.84(98)45º

22.80(579)1/2”-14 NPTF (BOTH ENDS)

3/8”-18 NPTF

1350 Air Tank, Tag Pusher, 9"

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Air System

1990 Air Tank Under 3 Battery Box

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Air System

Page 6-11

AIR TANK SUPPORTS

BATTERY BOX COVER AND STEPS REMOVED FOR CLARITY

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Air System

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Air System

Page 6-13

8.20(208)

3.65(93)

8.20

(208)

14.98(381)

A

3.00(76)

21.80(554)

3.26(83)

0.88(22)

7.36(187)

6.98(177)

11.79(296)

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Air System

2.50(63)

1.82(46)

A

2.17(55)

1.39(35)

8.10(205)

12.90(327)

C*

B**

FWD

1350, 1740 Air Tank, Mounted Inside Rail

9 inch air tank mounting inside rail

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Air System

Page 6-15

5900 Air Tank Triple, 12", Below Rail

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Air System

1740, 2030 Air Tank Mounting

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Air System

Page 6-17

1350, 1740 Air Tank Mounting

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Air System

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Air System

Page 6-19

Tandem Axle Truck

002

057443

FOOT VALVE D1 D2 S1 S2

RCF

055163

LCF LCF

4 2

CB

GN 2

2

41 2241

422

RD BK

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Air System

Single Axle Truck

002

057443

GN

RD BK

4 2

BK

41 2 41

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Air System

Page 6-21

Tandem Axle Truck with Trailer Tow

RCF

055163

LCF LCF

4 2

CB

GN 2

056404

RD

401405

TRAILER HAND VALVE

PARKING BRAKE VALVE, MV - 3

1

2 23

BU EMG SVC

BK

RD

BU

YL OR

OR BK

1 2

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Air System

Permitted Air Supply for Accessories Module 46D

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