Roller Bearing Replacement - Alamo Industrial A-Boom Operator's Manual

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ROLLER BEARING REPLACEMENT

Securely support mower while removing and installing roller assembly.
If installing a roller with pre assembled bearing and bracket assemblies, remove the old roller, proceed to step
11.
1. Remove roller and both bearing and bracket assemblies from mower. Lift the mower only high enough to
remove the roller assembly.
2. Slide bearing and bracket assemblies o ff each end of r oller. If r eplacing with n ew b earing a nd br acket
assemblies, proceed to step 9.
3. Remove roller be aring an d h ousing as sembly at taching ha rdware. Remove assembly fr om br acket.
Inspect seal between assembly and bracket for brittleness, cracks, wear and tear. Replace if necessary. If
replacing with new roller bearing and housing assemblies, proceed to step 8.
4. Remove grease fitting from the top of bearing housing.
5. Remove b earing from ho using by ro tating Bearing 90
Housing then pull out.
6. Install new bearing into housing. Bearing must be installed with grease hole in bearing aligned with grease
fitting hole in housing.
7. Reinstall grease fitting to housing. Grease Fitting must have locking pin installed which inserts into grease
hole in b earing when installed. If Grea se Fitting does not have a pin , order a new gr ease 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.
ABOOM 03/09
©2009 Alamo Group Inc.
MAINTENANCE
sideways and lin e up with notches in Bea ring
O
Maintenance Section 4-9

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