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Z-factor Consultation
Jul 1, 20211 min read
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 23, 20211 min read
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...
63 views0 comments
Z-factor Consultation
Jun 18, 20212 min read
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...
13 views0 comments
Z-factor Consultation
Jun 6, 20212 min read
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 16, 20212 min read
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 3, 20211 min read
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 19, 20211 min read
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...
8 views0 comments
Z-factor Consultation
Apr 15, 20211 min read
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...
4 views0 comments
Z-factor Consultation
Apr 8, 20211 min read
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, 20212 min read
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...
3 views0 comments
Z-factor Consultation
Mar 15, 20212 min read
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...
3 views0 comments
Z-factor Consultation
Mar 6, 20212 min read
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, 20212 min read
BRAKE IT DOWN…
The Federal Government has required most tractors to have an Antilock Brake System (ABS) since March of 1997. The legislation extended...
9 views0 comments
Z-factor Consultation
Feb 25, 20212 min read
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...
15 views0 comments
Z-factor Consultation
Feb 22, 20212 min read
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, 20212 min read
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...
19 views0 comments
Z-factor Consultation
Feb 1, 20212 min read
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, 20211 min read
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...
18 views0 comments
Z-factor Consultation
Jan 18, 20212 min read
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...
18 views0 comments
Z-factor Consultation
Jan 14, 20211 min read
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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