Gear Replacement - Textron Jacobsen Ryan 544853C Manual Del Usuario

6.8
1. Remove drain plug from front of gearcase and drain
gear case. Remove gear case cover.
FIGURE 40
1. Gear Case Drain Plug
2. Remove belt shield and belt (if unit has cut-off,
remove cut-off chain and dog wheel assembly).
3. Remove screw, lockwasher and flatwasher from end
of belt pulley (if unit has cut-off, remove the chain
sprocket bolted to the belt pulley).
2
1
FIGURE 41
Gear Shaft Locations
1. Drive Wheel Chain Sprocket Shaft
2. Gear and Upper Chain Sprocket Shaft
3. Sliding Gear Shaft
4. Pulley Shaft
5. Idler Gear Shaft
6. Drive Gear Shaft
4. Remove the four (4) screws securing the hub to
pulley. Insert two (2) screws into the threaded holes
on hub and tighten against the pulley. Tap pulley with
a soft hammer (rubber, lead, or brass) and continue

GEAR REPLACEMENT

1
1716
3
6
5
2529
turning the screws approximately 1/2 turn each time.
Alternate screws until hub is free from pulley and
remove pulley from shaft. See Figure 42.
5. Remove the four (4) screws securing the bearing
cage. Remove bearing cage and pulley shaft out of
gearcase (removing the blade drive gears as shaft is
pulled out). See Figure 43.
6. Remove the plug covering the idler shaft from right
side of unit.
4
7. Using a hammer and punch, drive idler shaft out the
left side of unit and remove idler gear and bushings.
NOTE: DO NOT drive idler shaft out the right side of unit
or damage to gear case may occur.
When reassembling idler shaft, be sure bushings on
shaft are installed correctly. See Figure 44.
8. Remove sodcutting blade from unit.
SERVICE 6
FIGURE 42
Removal Of Belt Pulley
1
2
FIGURE 43
1. Bearing Cage
2. Idler Shaft
2530
2530
2529
21