ASSEMBLY PAS-225 VP
20 X7732274200
© 5/2017 ECHO Inc.
Remove Nylon Line Head
Note: Do not disassemble nylon 
line head.
1. Align locking hole in upper plate 
with notch in edge of gear 
housing and insert head locking 
tool (D).
2. Remove line head (E) by 
turning it clockwise until head is 
completely off of shaft.
3. Remove locking tool (D).
Power Head Shaft To 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 locater pin (A) out, and turn counter-clockwise ¼ 
turn to lock-out position.
3. Remove vinyl cap from attachment drive shaft.
4. Remove cardboard spacer, if necessary.
Note: Your coupler may appear different than 
coupler shown.
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.
Note:  Lower bearing housing 
and head assembly must be in line with the engine.
Parts Required: PAS or SRM-SB Power Head Shaft and Coupling