G e a r Train and Timing 1.7.1
DETROIT DIESEL 53
side of the circle timing mark (Fig. 1) for a right-hand
rotation engine. For standard timing, the circle on the
crankshaft gear is aligned with the circle-triangle on
the idler gear. For advanced timing, the "A" adjacent
to the "IR" on the crankshaft gear is aligned with the
circle-triangle on the idler gear.
SEC. 1.7.1 Page 3
February, 1972