Echo SRM-210SB - Manual (Page 10)

10
D
A
C
B
E
5. Carefully fit attachment drive shaft assembly into coupler (B) to
decal assembly line (C), making sure that the inner lower drive shaft
engages the square upper drive shaft socket.
NOTE
Earlier model Power Heads may have shorter couplings. Short
couplings fit flush to decal point (E). New couplings are 4-3/4 in.
long, and fit flush to line (C).
NOTE
Lower bearing housing and head assembly must be in line with the
engine.
6. Rotate locator pin (A) 1/4 turn clockwise to engage lower shaft
hole. Insure locator pin is fully engaged by twisting lower drive
shaft. Locator pin should snap flush in coupler. Full engagement will
prevent further shaft rotation.
7. Secure lower shaft assembly to coupler by tightening clamping
knob (D).
PLASTIC SHIELD INSTALLATION
(For Nylon Line Operation)
Tools Required: Screwdriver
Parts Required: Plastic Shield, Shield Plate, three (3) 5mm x 16mm
screws
NOTE
The plastic shield is for use with the Nylon Line Head only.
Install Metal Shield when using plastic or metal blades.
1. Remove plastic sleeve and upper plate (A) from PTO shaft.
2. Install the shield on the bottom of the bearing housing flange.
3. Place shield plate (B) on shield, align holes and install three (3)
5x16 mm screws.
4. Install upper plate (A).
B
A