Echo WT190 Owners Manual v.4 - Manual (Page 15)

WHEELED TRIMMER
11
ENGLISH
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
1
2
3
4
5.6 DRIVE BELT CHECKING AND
REPLACEMENT
Check the condition of the drive belt annually or after 30
hours of operation, whichever comes first. If the belts are
cracked, frayed, or worn, replace them by following the
steps below:
1. Shut off the engine. Disconnect the spark plug wire.
2. Remove the front cover weldment(1).
3. Loosen the four bolts fastening the spindle hub(2) to
the trimmer bottom frame. This will allow the spindle
hub with the attached trimmer pulley to move freely.
4. Remove the handle support channel(3). Requires
loosening and removing four bolts.
5. Remove worn or broken belt(4). If the belt is badly
worn and will not be used again, cut for ease of
removal.
6. Install new belt from the front to the back. Feed belt
above the front trimmer pulley and below the rear pulley.
7. Move the spindle hub by inserting a screwdriver in the
slot on the rear side of the spindle hub and applying 70
lbs. pressure forward until belt is tight. Tighten Bolts.
8. Replace front cover and secure with bolts.
9. Replace the handle support channel. The bolts should
be secured with the bolt head beneath and the nuts
and washer above the trimmer body.