Electric Starters; Replace Ring Gear; System - Briggs & Stratton 276781 Instruction Manual

2. Wipe off any excess oil from the top of the
ratchet, then place the ratchet on the
housing.
3. Install the retainer cover and seal over the
ratchet and press into housing until fully
closed. Install retaining screws (if used).
4. Place one drop of clean engine oil on top
of crankshaft pilot, then install clutch on
crankshaft. Using the Starter Clutch
Wrench and Flywheel Strap Wrench,
tighten the clutch to the value listed in
Section 12 - Engine Specifications.
7

Replace Ring Gear

All Briggs & Stratton engines use an aluminum,
plastic, or steel ring gear on the flywheel.
Replace the ring gear if it shows wear or
damage. Some steel ring gears are pressed or
heat shrunk to the flywheel. These ring gears are
not replaceable.
To replace a worn or damaged flywheel ring
gear, proceed as follows:
1. Mark center of rivets holding ring gear
(A, Figure 18) to flywheel, with a center
7
punch.
2. Drill out rivets using a 3/16" (4.7 mm) drill
bit.
3. Remove the ring gear and clean holes
after drilling.
4. Attach new gear to flywheel using four
screws (B) and lock nuts (C) provided with
the gear.
Figure 19
110

ELECTRIC STARTERS

System 3®, System 4®
Check Starter Drive and Clutch
When starter switch is activated, pinion gear
(A, Figure 19) should engage the ring gear and
crank engine. The clutch should not slip during
engine cranking and pinion gear shouldn't bind
on the helix (B).
NOTE: Do not oil the pinion gear or helix.
1. Remove the starter from the engine.
2. Using a mild solvent, clean the drive and
3. Inspect for damaged parts and replace if
4. Install starter on engine and test for proper
5. Replace the entire starter drive assembly if
Figure 20
clutch assembly, then dry with
compressed air.
necessary.
operation.
the clutch slips or if the pinion gear binds
on the helix.