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Dave, you are correct, on some buses the two speed needs to be shifted diferently than others, on my bus the optimum way i shift it is 1st 2nd 3rd 4rth,and 5th low then in 5th gear i accelerate and then let off the accelerator and pull the button up and then slowly accelerate again and then i can here the 2 speed rear end shift to high range. also on my shift pattern on the shifter it has circles with 1-5 on the bottom and 6-12 on the top in the circle. the only way to tell if its working is to be moving but it actually does give you higher gears to work with for highways. you could try shifting it without clutching it from low range to high range but sometimes clutching it will make the rear end shift smoother. the difference between this and a road ranger on a semi is that on a semi you would shift 1-5th gear low and then pull the button up and go back to first gear and shift all the way to 5th again which would be 10th gear. however this is because most semis have 2 tranmissions a main and a auxillery but with your bus haveing only 1 transmission you cant shift this way you would shift the same way as on a car except for you can try going through all the gears in high and low range to figure out whats the best way to shift it. sometimes there will be a shift diagram somewhere like on my bus that will explain how to properly shift your 2 speed but i would take it on the road and try the difernt gears to see whats best as Mark O has said to try.
Good Luck
Happy Busing
Aaron
1985 IHC thomas 77 pass
1984 IHC Blue Bird 71 pass
1980 Ford B-700 Ward 71 pass
1975 IHC thomas 65 pass |
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