Appendix A

Table A: Maintenance Schedule and Usage Guidelines

Regularly scheduled maintenance is the single most important factor in maintaining the air brake charging system.

 

 

 

 

Column 1

Column 2

Column 3

Column 4

Column 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recom-

Recom-

Acceptable

 

 

 

 

 

 

Typical

Discharge

mended

mended

Reservoir

 

 

 

 

Compressors

Line

Air Dryer

Reservoir

Oil Contents3

 

Vehicle Used for:

No. of

 

 

Spec'd

 

 

Cartridge

Drain

at Regular

 

Axles

 

 

 

 

 

 

 

 

I.D.

Length

Replacement1

Schedule2

Drain Interval

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Air Use

 

 

 

 

 

 

 

 

 

1/2 in.

6 ft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor with less than 15% duty cycle

 

 

 

 

 

 

 

 

 

 

 

Bendix®

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

e.g. Line haul single trailer

5

 

 

 

 

 

 

compressor

For oil

carry-over

 

 

BASICtest

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control4

suggested

 

Month -

per month.

 

w/o air suspension, air over

 

 

 

 

 

 

 

 

 

Recom-

acceptable

 

less

 

 

 

 

 

 

 

 

upgrades:

 

mended

range:

 

hydraulic brakes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5/8 in.

9 ft.

 

 

 

 

 

 

 

 

 

 

 

 

Every 3

Every

3 oil units

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

air

 

 

Years

 

 

 

 

Compressor with up to 25% duty cycle

 

 

 

 

 

 

 

1/2 in.

9 ft.

max of

See

 

 

 

 

 

 

 

 

 

 

High Air Use

 

 

 

 

 

compressorair921®

 

TuBendix® -Flo®550

 

 

 

 

 

 

 

 

 

 

 

 

Order

 

e.g. Line haul single trailer

5

 

 

 

 

 

 

 

 

 

 

 

every 90

Appendix A.

 

with air suspension,

or

 

 

 

 

 

 

 

 

For oil carry-over

 

days

 

 

 

school bus.

less

 

 

 

 

 

 

 

 

control4 suggested

 

 

 

 

 

 

 

 

 

 

 

 

 

upgrades:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5/8 in.

12 ft.

 

 

For the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BASIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Test Kit:

 

 

 

 

 

 

-

 

 

 

 

 

 

 

Bendix

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor with up to 25% duty cycle

 

 

 

 

 

BA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P/N

 

 

8

 

compressor

 

 

Bendix®

 

 

 

For oil carry-over

 

 

 

e.g. Double/triple trailer, open

 

 

 

 

 

 

 

 

5013711

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

highway coach/RV, (most)

 

 

 

 

 

 

 

 

 

1/2 in.

12 ft.

 

 

 

 

 

pick-up & delivery, yard or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

terminal jockey, off-highway,

 

 

 

 

 

 

 

 

 

 

 

Every 2

 

 

 

 

construction, loggers, concrete

or

 

air

 

 

 

 

 

 

control4 suggested

Years

 

 

 

 

mixer, dump truck, fi re truck.

 

 

 

 

 

 

 

 

 

 

 

 

less

 

-TuFlo® 750

 

 

 

 

 

 

upgrades:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

compressor

 

5/8 in.

15 ft.

 

 

5 oil units

 

 

 

 

 

 

 

 

 

 

 

 

 

BASIC test

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

acceptable

 

 

 

 

Bendix®

 

 

 

 

596

 

 

 

 

 

range:

 

 

 

 

 

 

 

 

 

 

 

 

Every

 

 

 

 

 

 

 

 

 

 

 

air

 

 

 

 

per month.

 

 

 

 

 

 

 

 

 

 

 

 

 

Month

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor with up to 25% duty cycle

 

 

 

 

 

 

 

 

 

 

 

See

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

e.g. City transit bus, refuse,

 

 

 

 

 

 

 

DuraFlo

 

 

 

 

 

Appendix

 

bulk unloaders, low boys,

 

 

 

 

 

 

 

 

5/8 in.

12 ft.

 

 

A.

 

 

 

 

 

 

 

 

 

 

 

 

 

urban region coach, central tire

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

infl ation.

12

 

 

 

 

 

 

or

 

For oil carry-over

Every

 

 

 

 

 

or

 

 

 

 

 

 

 

Year

 

 

 

 

 

 

 

 

 

 

 

®,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control4 suggested

 

 

 

 

 

 

less

 

 

 

 

 

 

-BA922

 

3/4 in.

15 ft.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

upgrades:

 

 

 

 

 

 

 

 

 

 

 

 

 

Bendix®

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Footnotes:

 

 

 

 

 

 

 

 

 

 

 

 

Note: Compressor and/or air dryer

1 With increased air demand the air dryer cartridge needs to be replaced more often.

 

 

upgrades are recommended in

2 Use the drain valves to slowly drain all reservoirs to zero psi.

 

 

 

 

 

 

cases where duty cycle is greater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 Allow the oil/water mixture to fully settle before measuring oil quantity.

 

 

than the normal range (for the

4 To counter above normal temperatures at the air dryer inlet, (and resultant oil-vapor passing upstream

examples above).

in the air system) replace the discharge line with one of a larger diameter and/or longer length. This

For Bendix® Tu-Flo®550 and 750

helps reduce the air's temperature. If suffi cient cooling occurs, the oil-vapor condenses and can be

removed by the air dryer. Discharge line upgrades are not covered under warranty. Note: To help prevent

compressors, unloader service

discharge line freeze-ups, shorter discharge line lengths or insulation may be required in cold climates.

is recommended every 250,000

(See Bendix Bulletins TCH-008-021 and TCH-008-022, included in Appendix B, for more information.)

miles.

 

 

5 For certain vehicles/applications, where turbo-charged inlet air is used, a smaller size compressor may be permissible.

26

Page 26
Image 26
BENDIX SD-08-2415A manual Low Air Use, High Air Use

SD-08-2415A specifications

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