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MAINTENANCE
HYDRO 88 & 96 03/09 Maintenance Section 5-7
©2009 Alamo Group Inc.
MAINTENANCE
Cuttershaft Bearing Replacement
OUTBOARD BEARING - Figure Mnt-FL-0022
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.
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 align parts, 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.
If only the outboard bearing and housing assembly is to be replaced, proceed as follows:
A. Remove jack and check shaft rotation
B. Reinstall knives which were removed
C. Reinstall outboard fender
D. Remove supports
E. Lower unit to ground and test unit
If the inboard (drive) bearing is to be replaced, proceed to step 7.