Adjust Governor; Static Governor Adjustment; Dynamic Governor Adjustment - Briggs & Stratton 405777 Series Manual

4. Connect fuel line to carburetor.Install clamp with tabs
facing to sides or down.
5. Install blower housing.
a. Torque screws to 80 in. lbs. (9.0 Nm).
6. Install rotating screen.
a. Torque screws to 20 in. lbs. (2.0 Nm).
Assemble air cleaner.

ADJUST GOVERNOR

WARNING: IF carburetor and manifold are re-
moved, static governor adjustment should be
checked! Misadjustment could result in engine
overspeeding which could cause engine damage,
property damage or personal injury.

Static Governor Adjustment

1. Loosen governor lever nut. Rotate governor control
swivel counter-clockwise as far as it will go (wide open
throttle) and hold in this position.
2. Rotate governor shaft clockwise as far it will go, Fig. 24.
a. Torque governor nut to 130 in. lbs. (15.0 Nm).
3. Install throttle and choke control cables and check for
proper operation.

Dynamic Governor Adjustment

ALL ADJUSTMENTS MUST BE MADE WITH AIR CLEAN-
ER ASSEMBLY INSTALLED.
The following tools are required when making governor
adjustments, Fig. 25:
1. Tachometer, Tool #19200 or #19389.
2. Tang bender, Tool #19480.
Start and run engine for approximately 5 minutes to allow
engine to warm up.
8
TSM
TABS TO
SIDE OR
DOWN
Fig. 23 − Install Fuel Line
CONTROL
SWIVEL
GOVERNOR
SHAFT
Fig. 24 − Adjust Governor
TACHOMETER
TANG BENDER
Fig. 25 − Governor Adjustment Tools