TM 5-4220-211-12&P
15A1430/18A430 DISASSEMBLY/ASSEMBLY
valve adjusting locknut on the closed valve. Insert a .1mm (.004") feeler gage between the valve and the
rocker arm and adjust the clearance until a slight drag is felt on the gage when removed. Tighten the
lock nut and recheck. Repeat this procedure for the other valve. (Figure A-61)
s. Valve Cover. Install the valve cover gasket and valve cover, making certain the gasket is properly seated on
the cylinder head. Torque the two crown nuts with a 13mm socket. Note: Install new o-rings on the valve cover studs
before installing the cover. (figure A-62)
t.
Replace the two brackets. Use new gaskets on both sides of these brackets. Note that the exhaust
gaskets and air cleaner gaskets are different. (Figure A-63)
u.
Air Cleaner. Using a 13mm wrench on the two self locking nuts, install the air cleaner.
v. Fuel Tank. Place the fuel tank on the fuel tank support brackets. Slide both tank straps over the tank and
brackets. Do not forget to reinstall both tank seam protectors. Tighten the straps (Figure A-64)
Figure A-62. Valve Cover
Figure A-61. Valve Adjustment
Figure A-63. Replacing Two Brackets
Figure A-64. Fuel Tank
A-22
