BENDIX TU-FLO 750 COMPRESSOR 서비스 데이터 - 페이지 6
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페이지 인쇄If a previously unturbocharged compressor is being
turbocharged, it is recommended that the inlet cavity screen
(238948) be installed with an inlet gasket (291909) on both
sides of the screen.
COMPRESSOR TURBOCHARGING PARAMETERS
Air entering the compressor inlet during the loaded cycle
must not exceed 250 degrees Fahrenheit (121 degrees
Celsius). A metal inlet line is suggested to help meet this
parameter.
The following compressor crankshaft rotative speed and
inlet pressure relationships may not be exceeded.
Crankshaft
R.P.M.
1900 RPM
2000 RPM
2100 RPM
2200 RPM
2300 RPM
2400 RPM
35
30
25
20
15
10
5
0
600
900
Compressor Speed (RPM)
FIGURE 9 - TURBO LIMITS CURVE
PREVENTATIVE MAINTENANCE
Regularly scheduled maintenance is the single most
important factor in maintaining the air brake charging
system. Refer to Table A in the Troubleshooting section for
a guide to various considerations that must be given to the
maintenance of the compressor and other related charging
system components.
Important Note: Review the warranty policy before
performing any intrusive maintenance procedures. An
extended warranty may be voided if intrusive maintenance
is performed during this period.
6
Maximum Compressor
Inlet Pressure
30.0 psi (207 kPa)
27.5 psi (190 kPa)
24.0 psi (165 kPa)
21.0 psi (145 kPa)
19.0 psi (131 kPa)
16.0 psi (110 kPa)
Turbo Limits
AIR INDUCTION
One of the single most important aspects of compressor
preventive maintenance is the induction of clean air.
The type and interval of maintenance required will vary
depending upon the air induction system used.
The intervals listed under the headings below pertain
to typical highway and street operation. More frequent
maintenance will be required for operation in dusty or dirty
environments.
POLYURETHANE SPONGE STRAINER
PAPER AIR STRAINER DRY ELEMENT-PLEATED
FIGURE 10 - STRAINERS
POLYURETHANE SPONGE STRAINER
Every month, 150 operating hours or 5,000 miles,
whichever occurs fi rst, remove and wash all of the parts.
The strainer element should be cleaned or replaced. If the
element is cleaned, it should be washed in a commercial
solvent or a detergent and water solution. The element
should be saturated in clean engine oil, then squeezed
dry before replacing it in the strainer. Be sure to replace
the air strainer gasket if the entire strainer is removed from
the compressor intake.