Briggs & Stratton Vanguard 430000 User Manual page 32

Figure 18
Engine models 430000 and 580000 built after date
code 990111007 are equipped with right angle
helical timing gears. Timing marks are identified by
letters (A, AA, B, BB, etc.), instead of numbers.
The timing procedure is the same.
7. With crankshaft key at the12 o'clock position,
assemble idler gear so that timing mark 11
(AA) is aligned with timing mark 1 (A) on
crankshaft gear, timing mark 22 (BB) is
aligned with timing mark 2 (B) on camshaft
gear (Figure 19).
Figure 19
8. Install oil pump gear.
9. Torque screws to values listed in Section 14 -
Engine Specifications. Camshaft gear (A,
Figure 20), idler gear (B), and oil pump gear
(C).
Figure 20
10. Install timing gear cover with new gasket.
Note position, length, and number of screws
(Figure 21). Torque screws to values listed in
Section 14 - Engine Specifications.
• M6 x 2.5 in. (M6 x 65 mm): 2 (A)
• M6 x 2.1 in. (M6 x 55 mm): 3 (B)
• M6 x 1.1 in. (M6 x 30 mm): 7 (C)
• M6 Nut: 2 (D)
Figure 21
11. Install crankshaft pulley with timing mark at
12 o'clock position (No. 1 cylinder) (Figure
22).
NOTE: Ensure alignment pin in crankshaft gear is
seated in hole in pulley.
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