Kohler Confidant ZT740

62
Reassembly
KohlerEngines.com 16 690 01 Rev. --
4. Make sure FLY stamping on piston is facing toward
fl ywheel side of engine. Use a hammer with a rubber
or wood grip and gently tap piston into cylinder. Be
careful oil ring rails do not spring free between
bottom of ring compressor and top of cylinder.
5. Install inner rod cap to connecting rod using screws.
Torque screws in increments to 11.3 N·m
(100 in. lb.). Illustrated instructions are provided in
service rod package.
6. Repeat above procedure for other connecting rod
and piston assembly.
Install Valve Tappets and Camshaft
NOTE: Exhaust valve tappets are located on output
shaft side of engine, while intake valve tappets
are located on fan side of engine. Cylinder
number is embossed on outside of each cylinder
on crankcase. Valve tappets should always be
installed in same position as before disassembly.
1. Apply camshaft lubricant to contact surface of valve
tappets. Note mark or tag identifying tappets and
install them in their appropriate crankcase locations.
A small amount of grease applied to stems will hold
valve tappets up until camshaft is installed.
2. Liberally apply camshaft lubricant to lobes of
camshaft. Lubricate camshaft bearing surfaces of
crankcase and camshaft with engine oil.
3. Position timing mark of crankshaft gear at 12 o’clock
position.
4. Turn governor cross shaft clockwise until lower end
(blade) is laying against bottom of cylinder. Make
sure cross shaft remains in this position while
installing camshaft.
5. Slide camshaft into bearing surface of crankcase,
positioning timing mark of camshaft gear at 6 o’clock
position. Make sure camshaft gear and crankshaft
gear mesh with both timing marks aligned.
Oil Pump Assembly
Oil pump is mounted inside oil pan. If service
was required and oil pump was removed, refer to
Disassembly/Inspection and Service procedure.
Governor Assembly
Governor assembly is located inside oil pan. If service
was required and governor was removed, refer to
Disassembly/Inspection and Service procedure.
Install Oil Seal in Oil Pan
Oil Seal Component and Detail
A
B
A 6.5 mm (0.255 in.) B Oil Seal
1. Check to make sure there are no nicks or burrs in
crankshaft bore of oil pan.
2. Apply a light coat of engine oil to outside diameter of
oil seal.
3. Drive oil seal into oil pan using a seal driver. Make
sure oil seal is installed straight and true in bore, to
depth shown.