Inspect Gears - Briggs & Stratton Vanguard 430000 User Manual

6. Remove oil pan screws and nuts.
7. Remove oil pan and discard gasket.
8. Remove oil pick-up tube (A, Figure 2) and
strainer. Discard gasket.
Figure 2
9. Remove bell housing adapter screw (if
equipped) and install Flywheel Holder
#19418 (A, Figure 3).
NOTE: Leave tool installed.
10. Remove crankshaft pulley using Tool #19420
(B).
Figure 3
11. Remove trigger (A, Figure 4) and wire.
Remove timing gear cover (B) and discard
timing gear gasket.
Figure 4
12. Remove governor gear (A, Figure 5),
governor cup (B), E-ring (C), governor gear
(D), and thrust washer (E).
13. Remove oil pump drive gear (F).
Figure 5
14. Check governor gear and oil pump drive gear
for damaged teeth.

Inspect Gears

1. Inspect gear teeth for wear or damage.
2. Check gear back lash between idler gear (A,
Figure 6) and crankshaft gear (B) using a dial
indicator.
• Set tip of indicator on gear tooth, then rock
idler gear back and forth noting indicator
reading.
• Crankshaft must not turn while checking.
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