272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
272144 Vanguard Twin Cylinder OHV BRIGGS & STRATTON.pdf
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Models 350000, 380000<br />
1. Install washer and flywheel nut.<br />
2. Assemble Flywheel Holder #19321 (2) to<br />
retainer, Fig. 17.<br />
3. Use a torque wrench (1) and 30 mm socket (3) to<br />
torque flywheel nut to 125 ft. lbs. (175 Nm).<br />
4. Install starter hub and screw (if equipped).<br />
Torque to 35 ft. lbs. (48 Nm).<br />
<br />
Install Fan<br />
<br />
Fig. 17<br />
<br />
Models 350000, 380000<br />
1. Align boss on back of fan (5) with notch (3) in flywheel,<br />
Fig. 18.<br />
NOTE: Engines manufactured after date code<br />
030430xx use a specially balanced crankshaft<br />
and balanced fan which has no boss.<br />
This fan can be mounted in any direction on<br />
the flywheel. Do not interchange fans or<br />
crankshafts manufactured before 030501xx<br />
with newer components.<br />
2. Align cut out in retainer (6) with cut out in fan.<br />
3. Torque screws (7) to 150 in. lbs. (17 Nm).<br />
NOTE: Models 540000, 610000 torque screws to<br />
90 in. lbs. (10 Nm).<br />
4. If equipped, install rewind starter hub (2) and<br />
starter hub screw (1).<br />
<br />
<br />
<br />
<br />
<br />
Fig. 18<br />
<br />
Install Flywheel –<br />
Engines with PowerLink<br />
NOTE: Before installing flywheel make sure the flywheel<br />
magnets are free of debris.<br />
WARNING<br />
AVOID HAND/FINGER INJURY.<br />
• The flywheel magnets are VERY POWER-<br />
FUL and can rapidly pull the flywheel to the<br />
engine.<br />
• Be certain the puller screw (1) is set to AT<br />
LEAST the height it was at when the flywheel<br />
was removed from the engine.<br />
1. With pilot (2) installed to the crankshaft (3), place<br />
the flywheel with puller attached, onto the pilot,<br />
Fig. 19.<br />
2. Align the flywheel keyway mark with the crankshaft<br />
key (4). Slowly loosen the flywheel puller<br />
screw (1) to lower the flywheel (5) into position<br />
over the stator. Be certain that the crankshaft<br />
key engages the flywheel keyway.<br />
<br />
<br />
Fig. 19<br />
<br />
<br />
<br />
3. Install the flywheel nut. Torque the flywheel nut<br />
to specification.<br />
4. Reassemble the fan and fan retainer to the flywheel.<br />
5. Connect the alternator wires to the<br />
regulator-rectifier.<br />
6. Connect the POWERLINK harness to the<br />
inverter and install tamper-proof screws.<br />
7. Retest system to ensure proper operation.<br />
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