Tap and Trim Spool Installation (cont'd)
2.
With the trimmer line still in the slot in the top of the
spool
flange, thread the line through the eyelet in
the drum.
3.
Align the two screwdriver slots with the keys in the
core and push the
spool
partially onto the core.
4.
Pull
on the line to release
it
from the
spool;
flange
then push the spool firmly onto the core until
it
"snaps" into place.
TAP AND TRIM@ HEAD
Tap and Trim@ Head Disassembly
1.
2.
3.
4.
5.
Insert a medium Made screwdriver into one of the
two slots on the bottom of the spool and twist
1/4
turn to release the
spool
Remove the
spool
While holding the drum stationary, unscrew the
core and driver assembly by rotating them
counterclockwise.
Remove the core, the driver,
the
washer and the
spring.
Pull the drum up and
off
the drive shaft.
Tap and Trim@ Head Inspection
1.
Inspect the drum for any obvious damage to the
plastic.
2.
Make sure that the eyelet in the drum
is
intact and
that the areas that contact
the
trimmer line are
smooth.
3.
Check that the rivet directly opposite the eyelet is
still
in
place. (The purpose of the rivet is to
counterbalance the eyelet.)
Tap and Trim@ Head Reassembly
1.
Mount the drum on the drive shaft making sure that
it
mates properly with the coil pin.
2.
Center the spring on the drive shaft and then place
the washer, driver and core onto the shaft
as
an
assembly. See Fig.
158.
SPRING
WASHER
CORE
DRIVER
CORE
DRIVER
Figure
158
3.
Screw the core and driver onto
the
drive shaft while
holding the drum.
It
may be necessary to press
on
the driver in order to get
it
started on the threads.
Screw the driver/core assembly on finger tight.
4.
Make sure that the core indexes freely on the
driver.
5.
Install the spool as described under Tap and
Trim@
Spool
Installation, page
67.
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