MAINTENANCE

MAINTENANCE

7.Reinstall grease fitting to housing. Grease Fitting must have locking pin installed which inserts into grease hole in bearing when installed. If Grease Fitting does not have a pin, order a new grease fitting. Grease fitting must be tight and seated in grease hole in bearing to prevent bearing from rotating in housing.

8.Attach roller bearing and housing assembly to bracket with seal between housing and bracket.

9.Slide bearing and bracket assemblies on each end of roller.

10.Check bearing for proper installation in housing by gently rocking bearing and bracket assembly in end of roller. Play should be slight to none at all.

11.Install roller and bearing and bracket assemblies on mower.

12.Lubricate roller bearing until lubricant can be seen coming out between roller and bearing housing.

CUTTERSHAFT BEARING REPLACEMENT

OUTBOARD (DRIVE) BEARING

For Rear Head Non Driveside Bearing and Wing Inboard Bearing Replacement:

1.Lift cutter unit to maximum horizontal height; then, securely support ends of cutterhousing.

2.Remove enough knives to place a floor jack under center of cuttershaft.

3.Securely support cuttershaft.

NOTE: The cuttershaft must remain supported while changing bearings.

4.Remove outboard fender-outboard bearings or wing drivelines-wing inboard bearings. Loosen setscrews securing bearing inner race to cuttershaft. Use special 3/16 hex allen wrench which has been shortened to reach into bearings.

5.Remove fasteners securing bearing and housing assembly to cutterhousing; then remove bearing and housing assembly.

NOTE: There are two tapped holes in the housing which can be used to pull bearing and housing assembly out by using special tool No. 701627.

6.Using a jack to hold up cuttershaft in proper alignment, install bearing and housing assembly to cutter unit and make certain that bearing setscrew is located in keyway on cuttershaft. Grease bearing and install cap over fitting.

NOTE: Make sure grease is getting into bearing.

7.Replace outboard fender or wing driveline. Make sure to time wing drivelines properly before reconnecting. NOTE: Grease Lube Hole in bearing outer race must align with lube hole in housing. Inboard or Drive Side Bearing cannot be used as Outboard Bearing.

FX17/FX21 02/11

Maintenance Section 5-6

© 2011 Alamo Group Inc.

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Alamo FX17, FX21 manual Cuttershaft Bearing Replacement, Outboard Drive Bearing