RHINO FN180 Manual do Operador descarregar pdf (Página 172)

MAINTENANCE

FN180/FN120 07/12 Maintenance Section 5-16

MAINTENANCE

Assembly

1. Apply grease to the bearing cup bores in the end

yoke, the shaft yoke, and the center housing.

The grease will make the bearing cups much

easier to install.

2. Install the grease fittings in the crosses. Align

the grease fitting with the correct trunnions. Look

at the old crosses. (MntP-R-0167)

3. Remove the bearing cups from the new crosses

and apply grease to the needle rollers in the

bearing cups. The grease is used to hold the

needle rollers in the bearing cups during

installation. Use your finger to push the grease

into the needle rollers and to push the needles

out against the bearing cup. (MntP-R-0168)

4. Wrap the shaft in a shop cloth to protect the

splines, and mount it in the vise with the yoke

up. Make sure the trunnions of the new cross

are clean. Install the correct trunnions of the

cross through the side of the shaft yoke that has

the widest opening. The grease fitting in the

cross must be away from the ball in the shaft

yoke. (MntP-R-0109)

5. Push the cross to one side of the yoke. Use the

trunnion as a pilot and push the new bearing cup

onto the cross and into the opening in the ear.

6. Push the cross into the bearing cup to keep the

needles in the bearing cup while driving the

bearing cup. Keep the trunnions of the cross

parallel with the openings for the bearing cups.

Hit the bearing cup lightly with a hammer. Using

the vise, drive the bearing cup into the yoke until

the bearing cup is flush with the yoke.

7. Make sure the bearing cup is flat against the

bench. Keep the cross in the bearing cup and

start the other bearing cup into the yoke. Use a

hammer to lightly drive the bearing cup into the

yoke just far enough to make sure the bearing

cup is straight. If the grease fitting in the yoke is

down, support the yoke on a block to prevent

damage to the grease fitting

8. Put the shaft yoke into the vise so the bearing

cups are square with the jaws of the vise. Make

sure the trunnion is aligned with the bearing

cups. Tighten the vise until both bearing cups

are flush with the yoke. (MntP-R-0170)

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