Dolmar MS290.4U - Compatible blades; Installing the nylon cutting head

12 ENGLISH
Compatible blades
Metal blade (2-tooth)
Metal blade (3-tooth)
Metal blade (4-tooth)
Metal blade (8-tooth)
1. Installthereceivewasherontotheshaft.
2. Insert the hex wrench through the hole in the gear
case to lock the shaft. Rotate the shaft until the hex
wrench is fully inserted.
3. Mountthemetalbladeontothereceivewasher.
4. Install the clamp washer and cup, and then secure
the metal blade by turning the nut counterclockwise.
Tighteningtorque:16-23N•m
5. Removethehexwrench.
1
7
2
3
4
5
6
►1. Nut 2. Cup 3. Clamp washer 4. Metal blade
5.Receivewasher6. Shaft 7. Hex wrench
1
2
►1. Box wrench 2. Hex wrench
Be sure that the arrows on the blade and protector are
pointing in the same direction.
Toremovethemetalblade,followtheinstallationproce-
duresinreverse.
NOTE: The resin part of the blade fastening nut
wearsoutovertime.Replacethenutifthereappears
to be any wear or deformation.
Installing the nylon cutting head
CAUTION: If the nylon cutting head hits
a stone during operation, stop the engine and
check the nylon cutting head immediately.
There are two types of nylon cutting head; the bump &
feed type and the manual feed type.
Bump and feed type
1. Installthereceivewasherontotheshaft.
2. Insert the hex wrench through the hole in the gear
case.
3. Screw the nylon cutting head onto the shaft by
turning it counterclockwise.