BULL/IDLER GEAR REPLACEMENT - CONTINUED
INSTALLATION - CONTINUED
Bar engine over until crankshaft timing gear timing mark (9) is at 12 oclock position.
Align timing mark (10) on camshaft drive gear with timing mark (11) on adjustable gear.
Do not allow bull/idler gear to come in contact with crankshaft oil seal contact surface. Oil leaks may result
if this surface is scratched.
Install bull/idler gear (6) on two guide studs (4). Slide assembly toward engine, but do not engage any gears.
Align timing mark (12) on bull/idler gear (6) with timing mark (9) on crankshaft timing gear. Engage bull/idler gear and
crankshaft timing gear only enough to prevent rotation of bull/idler gear.
Slight rotation of adjustable idler gear may be necessary to align timing marks.
Looking through viewing hole (13) in bull/idler gear (6), align timing mark (14) on adjustable idler gear with timing
mark (15) on camshaft idler gear.
Slide bull/idler gear (6) toward engine, engaging adjustable gear, and seat assembly in recess of gear case and cylinder
Working through two access holes (2) in bull/idler gear (6), install two mounting bolts (3) through hub and into cylinder
block. Tighten bolts hand tight.
Remove two guide studs (4) and install two remaining mounting bolts (3). Tighten four bolts to 75-86 lb-ft (102-117
Remove crankshaft protector (5) and engine barring tool (1).