blower drive rubber sleeve leak

[Larry B]

   Hello everyone-- Today i discovered a fresh oil leak at the back of the blower. An 8-71 in a 5B with jakes does not leave much room for close look even with a light and mirror. I suspect almost hope it is at the rubber sleeve covering the blower drive shaft. I was able to tighten one of the spring clamp nut two turns with only my fingers. Tomorrow will move  bed and access hatch to rear of engine for better look. Would like to ask a couple of questions before starting.
     What is the reason for the spings on the clamps? Is the thought to keep a constant tension on the clamp no matter the engine temp.? If that is the only reason then I would not need to leave much slack in the spring. I know it needs to be a lot tighter than it is right now.I will double nut behide the spring to make sure  the self locking nylon nut does not come loose again.
      If I loosen the spring clamp on the rubber sleeve is there anything preventing the rubber sleeve from rotating? ( to inspect the bottom of the rubbr sleeve for cracks or holes) 
      If I find the rubber sleeve is no good can it be changed in place? (after oil supply line and blower drive shaft is removed)  The rubber sleeve 4" OD X3" long does seem to be fairly ridged. In my case it would be impossible to move the blower without pulling the engine. 
     Thanks for all the guidance----Larry B

[luvrbus]

Loosen the clamps it will rotate,those are constant load clamps with a liner inside to prevent tearing the blower drive cover,you can change it even it has the metal sleeve inside the coupling but it's not a easy task faster to pull the blower   

[Larry B]

Was glad to find it was only loose clamps and not a tear or split in the rubber hose. To remove the engine from the bus to change a $25.00 rubber hose would not impress me. Run the engine for an hour on high idle to check for oil leak to  reappear. It took a lot of paper towel to clean up the mess. All seems to be well . Thanks Clifford
          Larry B