Hisun HS400 Service Manual page 118

Inspect the starter idle gear teeth (1) and
the starter wheel gear teeth (2) for
damage, chips, roughness, pitting or wear.
Inspect the engine cooling fan
• Air shroud 1
• Air shroud 2
Look for cracks or damage.
Installation
Install the woodruff key and the A.C.
magneto rotor.
Note:
Before installing the rotor, clean the
Outside of the crankshaft and the
inside of the rotor. After installing the
rotor, check that the rotor rotates
smoothly. If not, reinstall the key and
rotor.
Engine
Install the dowel pins a new gasket and
the A.C. magneto cover.
10 Nm or 7 ft lbs
Note:
When installing the A.C. magneto
cover, use a long rod to hold the A.C.
magneto rotor in position from the
outside. This will make assembly
easier. Be careful not to damage the oil
seal. Apply sealant (Quick Gasket) (1)
to the thread of the bolt (2) shown in
the illustration. Tighten the bolts in
stages, using a crisscross pattern.
Install a new O-ring and the engine cooling
fan pulley (1).
55 Nm or 40 ft lbs.
4-25