PERIODIC MAINTENANCE 2-9
• Remove the secondary gear case cover. ($3-6)
• Remove the generator cover cap
4, valve timing inspection
plug
5 and generator cover plug
6.
• Turn the crankshaft to set the #1 (Rear) cylinder at TDC of
compression stroke. (Align the “R | T” line on the generator
rotor to the center of valve timing inspection hole and also
bring the camshafts to the position as shown in page 2-8.)
• To inspect the #1 (Rear) cylinder tappet clearance, use a
thickness gauge between the tappet and the cam. If the clear-
ance is out of specification, adjust it into the specified range.
& 09900-20803: Thickness gauge
• Turn the crankshaft 486 degrees (1-1/3 turns) to set the #2
(Front) cylinder at TDC of compression stroke. (Align the
“F | T” line on the generator rotor to the center of valve timing
inspection hole and also bring the camshafts to the position
as shown in page 2-8.)
• Inspect the #2 (Front) cylinder tappet clearance as the same
manner of #1 (Rear) cylinder and adjust the clearance if nec-
essary.
& 09900-20803: Thickness gauge
RT
FT
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