Echo WT160S - Cutting String Replacement

wheeled trimmer
10
SERVICE & MAINTENANCE
BEFORE INSPECTING OR SERVICING ANY PART OF THIS MACHINE, SHUT OFF POWER SOURCE,
DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG AND MAKE SURE ALL MOVING PARTS HAVE COME TO A COMPLETE STOP.
WARNING
Cutting string is available in two thicknesses, 130 mil
(standard) and 155 mil (heavy duty). The type of string
selected is dependent on the conditions and material
being cut.
String heavier than 155 mil can be used by making the
holes in the trimmer head larger. The decision to drill the
holes bigger may shorten the life of 130 mil and 155 mil
string if used again.
Cutting string can be wrapped in a variety of ways. Refer
to Figures 5.2, 5.3 and 5.4 for examples. The wrapping
method and cutting string thickness chosen is ultimately
based on what is determined the best for the operator.
To wrap the cutting string in the standard conguration,
follow the steps below.
Feed the cutting string through the second hole on 1.
either end of the trimmer head leaving approximately
8 inches for the cutting surface. Total recommended
string length is 20-1/2 inches.
Continue by weaving the cutting string through the first 2.
hole directly beside the second hole used in Step 1.
Pull the cutting string tight.
Loop the cutting string back and feed through the first 3.
hole on the opposite end of the trimmer head.
Feed through the remaining second hole and pull the 4.
cutting string tight. The cutting strings in the middle
two holes should be the same length. If the length
differs, cut to an even length.
Maintenance is essential in preserving engine life. Clean
the engine periodically to remove grass and buildup. The
engine owners manual addresses cleaning the air lter
and changing the oil. Service engine according to the
maintenance schedule in your engine owners manual.
Remember to inspect and clean engine cooling ns as
needed.
Models: All self-propelled models
Self-propelled models operate with a drive chain.
Periodically, this chain will need to be adjusted. To
adjust:
Loosen the two 5/16” nuts (C) (Figure 4.2) located 1.
under the trimmer axle.
Slide the trimmer axle back to tighten the chains. Slide 2.
the trimmer forward to loosen the chains.
Retighten the nuts.3.
Tighten the chains until they have 1/4" (6.36 mm) 4.
deflection.
Figure 5.2 Wrapping the Cutting String
Figure 5.3 Optional Wrapping Method
Figure 5.4 Optional Wrapping Method
5.3 CUTTING STRING REPLACEMENT
5.4 DRIVE CHAIN ADJUSTMENT 5.5 ENGINE MAINTENANCE
Clean grass and buildup from the engine periodically.
Dusty conditions will require frequent cleaning.
WARNING