| Author | Message | ||
| Peter River (Whitebus)
Registered Member Username: Whitebus Post Number: 1 Registered: 4-2009 Posted From: 208.54.94.23  Rating: N/A |
I am generally confused about tires. I have michelin xze 22.5 tires. I have read that the maximum pressure is 90 psi cold. However, the maintanance yard that I got it from had them at 105psi, and the little documentation that I have suggests 100 psi. is it not dangerous to exceed the maximum pressure printed on the tires? | ||
| Jaime Martinez (Jaime)
Registered Member Username: Jaime Post Number: 4 Registered: 4-2009 Posted From: 68.225.216.226  Rating: N/A |
The videos on this page from Michelin help me out Michelin | ||
| Mark Renner (Boomer)
Registered Member Username: Boomer Post Number: 158 Registered: 11-2006 Posted From: 206.58.200.38  Rating: N/A |
Your first task should be to weigh each axle, with the bus fully loaded and road ready as you intend to use it. Find a truck stop or other reputable scale to weigh at. Then find your tire manufacturer's web site, find the specs for the tire you use, and follow the recommended pressures. Don't take so called "expert" advice from others. Follow the manufacturer guidelines on pressures and speed limitations. | ||
| Buswarrior (Buswarrior)
Registered Member Username: Buswarrior Post Number: 1565 Registered: 12-2000 Posted From: 76.71.100.218  Rating: N/A |
Ditto. Mark has it covered. happy coaching! buswarrior | ||
| Debbie and Joe Cannarozzi (Joe_camper)
Registered Member Username: Joe_camper Post Number: 150 Registered: 10-2006 Posted From: 71.239.202.82 Rating: N/A |
Agreed on the pressure issue. IMHO Michelin is not only just the most expensive tires you can find but the quality is not just comparable to other lesser priced brand, it is not as good in many instances of others costing barley 1/2. The sidewalls will begin to crack sooner and greater in comparison to others as well. I have done many first had side by side comparisons over the years. No offence to the many who run them I am not perfect either. I have been a trucker my whole life and you can take my comments with a grain of salt. | ||
| Tony LEE (T_lee)
Registered Member Username: T_lee Post Number: 56 Registered: 11-2007 Posted From: 83.194.40.177 Rating: N/A |
The truck tyre shop fitters have one fixed pressure burnt into their brains - about 100psi. While this might fit most truck loadings, the bus generally has a lower load on each tyre so the recommended pressure may be lower too. Fronts may be down below 85, tags even lower. Of course there are other considerations such as ride comfort and fuel consumption that are mutually exclusive and of course safety, handling and tyre wear are major consideration. As suggested, weigh the bus with normal loads and choose the appropriate pressures from the manufacturers recommendations. Normal practice (provided the loads on each end of an axle are not too unbalanced) is to inflate all tyres on the axle according to that required by the heaviest side, but no doubt opinions will vary on that advice. | ||
| Peter River (Whitebus)
Registered Member Username: Whitebus Post Number: 5 Registered: 4-2009 Posted From: 208.54.94.87 Rating: N/A |
I will do that. I never used one of those weigh stations. Do I just drive into the bay and go in to pay and get the weight? | ||
| Bill Gerrie (Bill_gerrie)
Registered Member Username: Bill_gerrie Post Number: 250 Registered: 3-2006 Posted From: 216.198.139.38 Rating: N/A |
Peter Find a scale that has a flat surface about 6 feet wide next to the actual scale. You will need that so you can drive only 1/2 of the bus onto the scale to get the side to side weight. A lot of truck stops have scales that will let you do what you need as long as they aren't busy. You will notice the scale is in sections so you can get individual wheel weights if you postion the bus right with 1/2 of it on solid ground beside the scale. Hope you can understand this. Bill | ||
| R.C.Bishop (Chuckllb)
Registered Member Username: Chuckllb Post Number: 644 Registered: 7-2006 Posted From: 70.212.253.115 Rating: N/A |
OR.....ask your DOT inspection station to do it for you...they will...and for FREE, with suggestions...(my experience)...  FWIW RCB | ||
| Peter River (Whitebus)
Registered Member Username: Whitebus Post Number: 20 Registered: 4-2009 Posted From: 208.54.14.98 Rating: N/A |
wouldn't they proceed to also give you tickets for everything they find wrong? |