Echo 99944200470 User Manual download pdf (Page 11)

99944200470 ASSEMBLY

X7532278708 11

ASSEMBLY

Power Head Shaft/Lower Shaft Assembly

Do not perform maintenance or assembly procedures with engine running.

1. Set Power Head/Shaft Assembly on a level surface.

2. Pull locator pin (A) out, and turn counter-clockwise 1/4 turn

to lock-out position.

3. Remove vinyl cap from attachment drive shaft.

4. Remove cardboard spacer, if necessary.

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).

Parts Required: PAS or SRM-SB Power Head w/Shaft &

Coupling

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Echo 99944200470 User Manual Page 11