ryan 544844D Bedienungsanleitung Seite 12

SERVICE
DRIVE CHAIN REMOVAL
1. Raise unit, place on adequate supports and
remove belt guard.
2. Remove four (4) screws securing cover.
3. Remove throttle cable from engine and lay
behind cam case.
4. Remove dipstick from cover.
5. Remove screw, flat washer, nut and bushing
from right lower side of "H" frame.
BLADE DRIVE CHAIN REPLACEMENT
NOTE: To prevent small components from falling
down into oil cavities and causing damage
to unit, cover opening with clean rags,
cardboard, etc.
1. Follow steps 1 thru 6 in drive chain removal.
2. Remove bottom screw on bearing cage to drain
oil from rear cavity.
GB-10
6. Using a screwdriver, lift cover to break sealant
bond and remove cover.
7. Drain oil out of front cavity on case, and turn
drive wheels until master link is on top of
sprocket.
8. Remove master link and continue rotating drive
wheels until chain is off bottom sprocket.
9. Install new chain in reverse procedure. Clean
mating surfaces on case and cover. Apply 3M
Scotch Grip 847 or an equivalent adhesive to
case cover before installation.
3. Rotate pulley shaft until master link is to front of
top sprocket. Remove master link.
4. Rotate blade drive shaft until chain is free.
5. Install new chain in reverse procedure. Use 3M
Scotch Grip 847 or an equivalent adhesive on
case cover and bearing retainer screw.
Jr.
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