grantl

Member
Can I just remove the housing from the outside to replace the bearing on a H brake shaft? I know it has been asked before, but I can't find it in the archives.
 
You need to move the axle out of the bull gear and roll the gear back a bit to clear the bull pinion housing. I have read that this can be done through the PTO hole but I would think it would be just as easy in the end to remove the top cover.
Zach
 
Band brake tips-H & M
Remove the pins holding the brake adjuster to the pedal & actuating lever. Loosen & lube them.
Remove the cap screws holding the brake cover; wiggle it & they should come off.
Note or draw a diagram of how the brake band is attached to the cam. Turn the cover over, shake, tap or whatever to get the 2 pins out. If you remove the outer lever & half-moon key the whole thing comes out.
Replace the band & be sure the brake cam pivot shaft works freely in the cover. Oil or grease the pivot the area well and let the excess drip off before installing the new bands.
Remove the brake drum; do not try to remove the bolted-on housing containing the seal. The bull gear inside the transmission has to be removed first to get the housing out.
Using punches, chisels, etc. collapse the old seal inward, if original; it is difficult but will succumb to persistent efforts. Replace with 2 seals per side and place some chassis grease in-between them to protect the outer one from drying out. Polish the sealing surface on the brake drum and re-assemble.
Place a small amount of grease in the hole where the brake pivot goes into the transmission housing. After installing the bands & getting the pedal free-play to about 1", apply the brakes firmly, lock them in place and adjust the set-screw on the bottom side of the cover. (helps to loosen any adjustable parts BEFORE re-assembly) Loosen the jam nut, turn the set-screw in until it touches the brake band, back out 1/2 turn & lock the jam nut. This helps prevent the brake band from dragging, premature wear, and overheating.
 

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