Ring Gear Replacement; Test Starter Drive And Clutch - Briggs & Stratton Vanguard 05000 Manual

NOTE:
Some engines are equipped with an
OEM supplied electric starter. Contact the OEM
for service information and adjustment
procedures.

Ring Gear Replacement

Briggs & Stratton engines use an aluminum,
plastic or steel ring gear that is attached to the
flywheel. Replace the ring gear if it shows wear
or damage. Some ste el ring gears are pressed or
heat shrunk to the flywheel. These ring gears are
not replaceable.
8
Eye injury could occur if flywheel is struck
with a hard object.
•
Do not strike flywheel with hard object
or steel tool.
•
Wear safety goggles or other eye
protection.
Use approved flywheel removal tools.
1. Using a center punch, mark center of
rivets holding rin g gear ([A] Fig. 34) to
flywheel (B).
2. Drill out rivets with a
Clean holes after drilling.
3. Attach new gear to flywheel using four
screws (C) and lock nuts ([D] Fig. 34)
provided with gear.
172
Fig. 33
WARNING
drill bit.
#13 (4.7 mm)
Fig. 34

Test Starter Drive and Clutch

When the starter is activa ted, the pinion gear
should engage the ring gear and crank the
engine. Clutch should not slip during engine
cranking.
To check starter drive:
Inspect helix (A) and pinion gear ([B] Fig. 35) for
freedom of operation.
If damage or binding is noted:
• Replace the drive assembly.
Fig. 35
CAUTION:
Do not oil pinion gear on clutch
helix.
To check drive clutch with starter still
installed on equipment:
• Discon nect spark plug.
• Block mower blade (if equipped).
• Engage starter motor.
Replace the clutch assembly if it slips.