Echo SRM-22GES, Operator'S Manual

Page: 19 / 24

19 SRM-22GES
CHECKING THE NYLON LINE HEAD
(1)Make sure each periphery of the 2 retaining pawls of
housing spreads almost fully up to the outer periphery
of the respective cover window.
(2)Check mount of cutting head on trimmer and tighten if it
is loose.
(3)Check the cutter head for deflection or abnormal noise
rotating it by hand.
Deflection or abnormal noise can cause abnormal
vibration to occur or mount to trimmer to loosen during
rotation which is dangerous.
(4)Inspect cover and tap knob for wear.
Before the slot of cover disappears that serves as a
mark to indicate, when worn out, end of useful life or
when slot appears on bottom of the tap knob, replace
them with new parts without fail.
(5)Check the cutting head for crack or chip.
Replace parts that show any crack or chip with new
ones without fail.
LUBRICATING DRIVE SHAFT
(FLEXIBLE SHAFT)
1. Loosen two screws and remove center locating screw.
Pull gear box and shield from shaft tube.
2. Pull flexible shaft from the shaft tube, wipe clean and
recoat with a thin coating 10 to 20 g, of lithium base
grease.
3. Slide the flexible shaft back in the shaft tube. DO NOT
get dirt on the flexible shaft.
4. Install the gear housing and shield assembly.
IMPORTANT
Flat edge of washers must be against drive shaft.
SERVICING GUIDE
IMPORTANT
Time intervals are maximum. Actual use and your experience will determine the frequency of required
maintenance.
*
Or 50 hours, whichever occurs first.
AREA MAINTENANCE PAGE BEFORE USE MONTHLY
Air Filter Clean/Replace 17 •
Fuel Filter Inspect/Clean/Replace 17 •
Spark Plug Inspect/Clean/Adjust/Replace 18 •
Carburettor Adjust/Replace and adjust 17 •
Cooling System Inspect/Clean 18 •
Silencer Inspect/Tighten/Clean 18 •
Angle Transmission Grease 18 • *
Drive Shaft Grease 19 • *
Starter Inspect - •
Cut off Knife Inspect/Clean - •
Fuel System Inspect 17 •
Screws, Bolts and Nuts Inspect, Tighten/Replace - •
Shaft tube
Flexible shaft
Screws
Washer
Washer
Shield
(1) (3)
(5)