Briggs & Stratton Vanguard 430000 User Manual page 64

Figure 13
9. Assemble idler gear shaft (A, Figure 14) with
ID mark (B) up.
Figure 14
Engine models 430000 and 580000 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.
10. With the crankshaft key at the 12 o'clock
position, assemble idler gear so that timing
mark 11 (AA) is aligned with timing mark 1
(A) in crankshaft gear, timing mark 22 (BB)
is aligned with timing mark 2 (B) on camshaft
gear (Figure 15).
Figure 15
11. Install camshaft gear (A, Figure 16), idler
gear (B), and oil pump gear (C). Torque
screws to values listed in Section 14 - Engine
Specifications.
Figure 16
12. Install timing gear cover with new gasket.
13. Note position, length, and number of screws
(Figure 17).
• 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 Nuts: 2 (D).
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