DR Power Walk-Behind Pro (1985 - 2000) - Manual (Page 39)

DR
®
TRIMMER/MOWER
™
Assembly & Operating Instructions 37
Trimmer head won't spin (continued) Þ If the head still will not spin, follow the procedure
for To Adjust the Belt Tension through the
Trimmer Control Cable in the maintenance
section of this manual.
Þ If none of the above helps, call 1(800)DR-
OWNER(376-9637) for advice and assistance.
Trimmer head keeps spinning Þ Is the trimmer head control disengaging? When
you release the brake bar, the control lever
should come all the way up against the bar, just
below the curve.
Þ Is your v-belt properly aligned? Check it against
the diagram in the Belt section of this manual.
Make sure the belt is inside the idler pulley, that
the springs on the idler pulley arm and triangular
brake actuator are in place, and that the actuator
moves when you engage the trimmer head
control lever.
Þ Is the sleeve on the trimmer head control cable
clogged with debris? If so, clean it out and spray
some FLUID FILM
®
on the cable.
Þ Is the brake pad worn? Drop the bearing housing
according to the procedure in the maintenance
section of this manual and check the pad for
wear. Also make sure the spring is not broken,
missing or stretched.
Þ If the head keeps spinning when you release the
brake bar, see To Adjust the Belt Tension
through the Trimmer Control Cable in the
maintenance section of this manual for
instructions on tightening the cable.
Þ If none of the above works, call 1(800)DR-
OWNER(376-9637) for advice and assistance.
Cutting cords are breaking Þ Are your cords dry? Store cords in a plastic bag
with a damp sponge or cloth to make them less
prone to breaking. Or, soak them in a bucket of
water for a few days.
Þ Are you trying to do too much too fast? Ease into
material to be cut; the cord tips do the work.
Take small bites of tall or tough vegetation. Cut
half a swath at a time, keeping the cut area to the
discharge or right side of the DR
®
. Go over tall
material twice, the first time with the head tilted
up and back, the second time with the Mow-
Ball
ä Support on the ground.
Þ Try a lighter cord, or tying on only one cord for a
faster head spin.
Þ Are you hitting your cords against stone or a
chain-link fence? The cords just won’t last as
long as in the open. Work on controlling the
cutting pattern; with practice you’ll learn to cut
closer to obstacles without hitting them.