STRUCTURALS 5540F/YB5515 SERVICE MANUAL
11-52
Mast Bearing
The bearing is a ball thrust bearing. The inner race rotates
inside the outer race on a row of steel balls.
Apply grease weekly or every 50 hours of operation,
whichever occurs first. Use a Lithium based, E.P. No. 2
bearing grease, or equivalent.
There are two grease fittings to grease the bearing and they
are directly across from each other.Rotate the mast until the
access hole (Figure 11-122) aligns with the grease fitting.
Apply grease to the bearing. Rotate the mast through several
rotation and then repeat the procedure with the other grease
fitting. The old grease will be removed at the bottom of the
bearing.
FIGURE 11-121
a0490
Cross Section of Mast Bearing
FIGURE 11-122
p0220
Access Hole
Reference Only
To Next Page
Loading...
Need help?
General
