Removing Timing Belt And Pulley - TOHATSU MFS25 Service Manual

5) Removing Timing Belt and Pulley

Turn timing pulley 1 clockwise to bring " " mark a of belt
1.
guide to " " mark b of cylinder block, and check that "
mark c of cam shaft pulley 2 and " " mark d of cylinder
head are aligned with each other.
No.1 piston is to be at top dead center of
compression stroke.
Loosen tensioner bolt 3 to remove tension of the belt, and
2.
then tighten the bolt temporarily.
Lay down timing pulley nut 4 lock washer's tab.
3.
Use vice to fix power unit at crank shaft holder 2 6.
4.
Loosen timing pulley nut 4.
5.
• Use 40mm deep socket wrench 5 or ring wrench
for this step.
• Do not turn cam shaft pulley 2 when tightening
timing pulley 1 nut 4.
• Keep timing belt 7 engaged as a means of
precaution.
å Crankshaft Holder 2 6 :
P/N. 3AC-99815-0
∫ Crankshaft Holder :
P/N. 3R0-72815-0
Remove bolt 3 and remove belt tensioner.
6.
7. Remove hanger.
Remove timing belt 7 from cam shaft pulley 2 side, and
8.
then, from timing pulley side.
Do not turn timing pulley (crank shaft) or
cam shaft pulley with timing belt removed.
Doing so can make pistons and valves
interfere with each other, resulting in
damages to these parts.
25/30 2006
CAUTION
"
3
1
å
1
6
å
2
c
d
b
a
5
4
7
2
5
∫
7
5-25