32
are staggered and the cylinder is in the correct
position. Use fingers to compress the piston rings and
push the cylinder onto the piston. Do not rotate or
twist the
cylinder (diag. 7-16).
11. Install Torx bolts and alternately torque the bolts to
with studs instead of bolts: push the cylinder down to
a depth where the nuts can be started on the studs.
Finger tighten the nuts, use a wrench to snug, and
torque the nuts to 70 -100 inch pounds (7.9 Nm - 11.3
Nm) using a crowfoot on the torque wrench.
12. Install the exhaust gasket, muffler, spark arrestor if
applicable, bolts or muffler springs. Torque the muffler
bolts to 85 - 105 in. lbs (9.6 Nm - 11.8 Nm) of torque
if applicable. The longer ends of the springs
the bosses on the cylinder. Use heavy gauge wire (as
shown in the tool section) to stretch and hook the
muffler springs (diag. 7-17). Install the muffler heat
shield if applicable. Remove the engine holder.
13. Attach the blower housing base using the three screws
removed from the engine holder and torque the screws
to 30-40 inch pounds (3.3 Nm - 4.5 Nm).
14. On TC type I models, install the governor air vane
assembly into the blower housing base as shown.
Some models use a spring clip to hold the air vane in
position. Insert and tighten the speed adjusting lever
holddown screw to the blower housing base. Hook the
long end of the governor spring into the notch on the
neck of the air vane. The short end hooks into the
hole in the speed adjusting lever as shown (diag.
7-18).
15. Insert one end of the throttle link in the hole in the air
vane and the other end in the hole closest to the
and carburetor. Assemble gaskets correctly, do not
plug the pulse passage. Torque the bolts to 30-40
in.lbs. (3.3 Nm - 4.5 Nm). On TC type II models,
torque the air vane to the carburetor throttle shaft
before installation. Hook the long end of the governor
spring in the hole in the air vane and the short end in
the hole in the speed control bracket. The spring
hooks from beneath both components. Use the
illustration (diag. 7-19) and the following spring
the air vane has more than one governor spring hole
and uses a colored spring with a square and round
end.
SPRING COLOR SPRING POSITION
Orange or Green 1
Pink, Red, OR Black 2
16. Install the flywheel key and flywheel. Install the
flywheel washer and nut, use a strapwrench (part#
670305) to
hold the flywheel, and torque the nut to 15-20 foot
7-17
7-18
7-19
Spring Position 2
Spring Position 1
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