How often should kingpins be greased?
Ideally, most tractor trailers should be manually greased at all lube points at around 12,000–24,000 miles and more frequently on the fifth wheel.
Do you grease a kingpin?
The kingpin (aka swivel pin) is the pivot in the steering mechanism of a vehicle. This component takes a fair amount of stress and can wear out quickly if not regularly greased. This is a simple and quick job (15 minutes max) which will help prolong the life of the kingpins.
What is the best grease for kingpins?
Try to get king pins half way between. We use mystik synthetic grease. The grease does a great job staying with its carrier. A good way to judge grease is how long it will stay tacky…or in its carrier and not turn to oil under pressure and in heat.
How often should you grease your fifth wheel?
Fifth wheel manufacturers recommend performing fifth wheel maintenance every three months or 30,000 miles. “You need to lubricate it through all four seasons,” says Charles Rosato, field service manager for Fontaine Fifth Wheel.
When should king pins be replaced?
The good news is the kingpins have a life of 750,000 miles, so with good maintenance they would only need to be replaced once during a truck’s lifetime,” said Duane Rasmussen, Instructor, Medium/Heavy Truck Technology, Hennepin Technical College.
What are king pin bushings made of?
Standard king pin kits use solid bi-metal bronze and steel bushings.
How often should you grease a tri axle dump truck?
I do mine at about every 6000-7500 miles. Halfway between oil changes which are in the 12000-15000 mile range. Also greased at oil changes.
How often should you grease a semi truck?
Consistency & Intervals for Semi-Truck Grease Service If just one component of your truck starts to wear prematurely, it can cause other parts to work less efficiently and cause damage. Experts recommend greasing your truck roughly every 12,000 miles, though your fifth wheel will require service more often.
What happens if you don’t grease fifth wheel?
Jones says it’s important to use a lithium EP (extreme pressure) grease on the plate if you want to ensure the fifth wheel operates smoothly. “Failure to properly maintain your fifth wheel could result in tractor-trailer separation which, if not avoided, could result in death or serious injury.”
What does a king pin do on a Mack truck?
The pin only has one job to do, the one it’s supposed to do, keep the knuckle in alignment with the axle and allow it to pivot. On the Mack style all the weight of the truck is sitting on a very small, by comparison, thrust button style bearing in the knuckle and resting on the bottom of the pin.
How to remove king pin from Mack and Volvo axle?
• Install kingpin removal tool ST90-1 on top of king pin. (FIG. 1) • Strike the removal tool with a large hammer to break king- pin loose from axle eye. (FIG. 2) • Remove the removal tool from kingpin. • Using a suitable brass drift punch and hammer drive kingpin down through axle and spindle. • Remove knuckle from axle.
Can a grinder help replace a king pin?
If the pin is tight and you keep hammering on it, you will mushroom the top of the pin, that’s where the grinder comes in. When you get ready to install the new one, throw it in the freezer overnight, it does help. Lepton1 and DougA Thank this. gonna be replacing a kingpin and wheel bearing tomorow and ive never actually replaced a kingpin before.
Which is better a Mack tapered pin or a straight pin?
With a straight pin like you have is I think a better set up than the Mack tapered pin anyway. We used to have Rockwell front axles in our Brockways never gave us much problems. Was a large straight pin (top and bottom bushings were the same size) tapered pins the top bushing is always smaller.