RedMax BCZ2500S/SU Owner's/Operator's Manual page 16

9. Maintenance
QUICK TIP
If the blades become so worn down that it is no
longer possible to eliminate the gap between them,
you should contact the authorized RedMax
servicing dealer from which you purchased your
RedMax® trimmer to have the blades resharpened
or replaced.
GEAR CASE
The reduction gears are lubricated by
multipurpose, lithium-based grease in the
F4
gearcase.
Supply new grease every 25 hours of use or more
often depending on the job condition.
When adding lubricant, use a grease gun to insert
lubricant into the three grease nipples located on
the gear case. (F4)
(1) Grease fitting
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