8
a
ssembly
Parts Required:
PAS or SRM-SB Power Head w/Shaft & Coupling,
Metal Shield, Bracket, Barrier Bar
1. Set Power Head/Shaft Assembly on a level surface.
2. Pull locator pin (A) and rotate 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 lower drive shaft assembly into coupler
(B) to decal assembly line (C), making sure that the inner lower
drive shaft engages into the upper drive shaft mount.
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 gently twisting
lower drive shaft. Locator pin (A) should snap flush in coupler.
Full engagement will prevent further shaft rotation.
7. Secure lower shaft assembly to coupler by tightening clamping
knob (D).
A
B
D
E
C
D
C
A
WARNING
Do not perform maintenance or assembly procedures with engine running.
power
head
shafT
/
aTTaChmenT
lower
shafT
assembly
