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Z-factor Consultation
- Jul 2, 2021
- 1 min
Push me, Pull you
Clutch life is tied to wear, so if the clutch is not slipping, it is not wearing. Starting the load in the lowest gear possible is...
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Z-factor Consultation
- Jun 24, 2021
- 1 min
A mounting issue
If specifying steel wheels, on steer, lift and or drive axles, might ask the OEM (Original Equipment Manufacturer) if they have an option...
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Z-factor Consultation
- Jun 19, 2021
- 2 min
Something's in the air
If the chassis has an air compressor (air brakes), then a dryer should be specified. FMVSS 136 Phase 1 mandated ESP/ESC starting Aug 2017...
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Z-factor Consultation
- Jun 7, 2021
- 2 min
Fuzzy math? Fuzzy is as fuzzy does...
Remember the power divider function? On a set of two or three drive axles the incoming power is most often split in half going into the...
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Z-factor Consultation
- May 17, 2021
- 2 min
Under Pressure...
Charge Air Coolers are used to improve engine efficiency by increasing intake air density from the turbo. This increase of air density...
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Z-factor Consultation
- May 4, 2021
- 1 min
What's your tolerance...
Every fleet owner is excited about reduced maintenance. A responsible service manager understands that this does not mean you can turn a...
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Z-factor Consultation
- Apr 20, 2021
- 1 min
Dip, but hold the chips
Trailer angle dip refers to the point when the trailer top corner hits the top of the sleeper. To assist with envisioning this, think of...
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Z-factor Consultation
- Apr 16, 2021
- 1 min
Avoid sticker shock
It is important to have a sicker in the cab door jamb that indicates this vehicle complies with California and U.S. emissions as opposed...
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Z-factor Consultation
- Apr 8, 2021
- 1 min
It's in the mix….
Have you always wondered if buying premix 50/50 antifreeze is a good idea as compared to purchasing concentrate and mixing yourself? The...
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Z-factor Consultation
- Mar 21, 2021
- 2 min
Dirty is a good thing
Ever dust an engine? Can you over change the element? When is the proper time to replace? Many maintenance facilities change air...
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Z-factor Consultation
- Mar 15, 2021
- 2 min
Closing the gap
Trailer gap is measured from the nose of the trailer to the back panel of the sleeper. Sleeper extenders are not a consideration for the...
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Z-factor Consultation
- Mar 6, 2021
- 2 min
Brake on through
Most tractors today come equipped with an Automatic Traction Control (ATC) system and the functionality is optional on most all of...
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Z-factor Consultation
- Mar 1, 2021
- 2 min
BRAKE IT DOWN…
The Federal Government has required most tractors to have an Antilock Brake System (ABS) since March of 1997. The legislation extended...
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Z-factor Consultation
- Feb 25, 2021
- 2 min
Turn! Turn! Turn!
What is the purpose of a lubrication pump in a tandem drive axle set? There is a theory that this pump sends lube to the outer ends, this...
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Z-factor Consultation
- Feb 22, 2021
- 2 min
Drop da tank
FMCSA 49 CFR § 393.67 - Liquid fuel tanks. Fuel tanks, 25 gallons or more, are required to meet FMCSS standards and indicate so on the...
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Z-factor Consultation
- Feb 5, 2021
- 2 min
Snap, Crackle, Pop...
Most OE’s offer auto reset mechanical circuit breakers as an option to fuses in the power distribution box. For a few more dollars, the...
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Z-factor Consultation
- Feb 1, 2021
- 2 min
You mean I need to maintain this?
Fuel filter maintenance is more important today, than any time in the past given the common rail design and tight tolerances. See below...
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Z-factor Consultation
- Jan 21, 2021
- 1 min
Red is for parking...
Red and Blue airlines connect the tractor air brake system to the trailer. Red is emergency brakes and applies system air pressure to the...
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Z-factor Consultation
- Jan 18, 2021
- 2 min
Are you gettin' rusty…
Republished due to content error - rail treatments are applied AFTER the holes are punched or drilled to ensure protection inside the...
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Z-factor Consultation
- Jan 14, 2021
- 1 min
Where's the torque….
Today’s engines are designed to deliver maximum torque at low RPM. This provides for good fuel economy with proper gearing Torque curves...
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