Briggs & Stratton VANGUARD M490000 Repair Manual page 124

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5
18
4. See A of Figure 16. Proceed as follows:
• Connect ECM J1 and J2 connectors.
NOTE: ECM ground wire ring terminal is
connected during blower housing installation.
• Install hex flange screw to fasten fuse/relay block
cover and voltage regulator bottom flange to
cylinder 1 heat shield. Tighten screw to 40-50 lb-
in (5-6 Nm).
• Connect voltage regulator connector.
• Keeping 6-place (or 8-place) engine to chassis
connector, starter solenoid ring and spade
terminals, and ground wire ring terminal on
inboard side, install two hex flange screws to
fasten starter motor to cylinder 1.
• Seat starter motor by alternately tightening
screws to 50 lb-in (6 Nm), and then final tighten
screws to 145-165 lb-in (16-19 Nm).
120
NOTE: Exercise care to avoid pinching, kinking
or otherwise damaging wires as starter motor is
installed.
• Keeping 6-place (or 8-place) engine to chassis
connector, starter solenoid ring and spade
terminals, and ground wire ring terminal on
inboard side of oil fill tube, install four TORX
screws to fasten backplate (and oil fill tube
flange) to cylinder mounting bosses.
• Alternately tighten backplate screws to 90-110 lb-
in (10-12 Nm) using a crosswise pattern.
NOTE: Exercise care to avoid pinching, kinking or
otherwise damaging wires as backplate and oil fill
tube is installed.
• Connect starter solenoid ring and spade
terminals.
• Install hex flange screw to fasten ground wire
ring terminal to cylinder boss. Tighten screw to
22-35 lb-in (3-4 Nm). See Figure 18.
• Connect 6-place (or 8-place) engine to chassis
connector.
5. Install flywheel. Proceed as follows:
CAUTION
Keep fingers away from inside edge of flywheel
during installation. Stator magnets are powerful
and may pull the flywheel in with sufficient force to
cause hand injury.
A. Install flywheel onto crankshaft taper aligning
crankshaft and flywheel keyways. Install key.
B. Install flywheel washer onto crankshaft taper with
the dome side up.
C. Install flywheel nut onto crankshaft taper and
tighten to 120-140 lb-ft (163-190 Nm).
D. Install four hex flange screws to fasten fan to
flywheel. Alternately tighten screws to 75-95 lb-in
(9-11 Nm).
6. See Air Cleaner Assembly/Static Guard/Decorative
Cover/Blower Housing, Installation.