Briggs & Stratton QUANTUM 120000 - Manual (Page 7)

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Determine The Starting System
Before starting the engine, you must determine the type of starting system that is on your
engine. Your engine will have one of the following types.
•
ReadyStart ® System: This features a temperature controlled automatic choke. It
does not have a manual choke or a primer.
• Primer System: This features a red primer to be used for starting in cool
temperatures. It does not have a manual choke.
• Choke System: This features a choke to be used for starting in cool temperatures.
Some models will have a separate choke lever while others will have a combination
choke/throttle lever. This type does not have a primer.
To start your engine, follow the instructions for your type of starting system.
Note: Equipment may have remote controls. See the equipment manual for location and
operation of remote controls.
ReadyStart ® System - Figure 4 5
1. Check the oil level. See the How To Check/Add Oil section.
2. Make sure equipment drive controls, if equipped, are disengaged.
3. Push the stop switch (A), if equipped, to the on position (Figure 4).
4. Turn the fuel shut-off valve (B), if equipped, to the on position.
5. Move the throttle control (C) to the fast position. Operate the engine in the fast
position.
6. If the product is equipped with an engine stop lever (D), hold the engine stop lever
against the handle (Figure 5).
7. Rewind Start: Firmly hold the starter cord handle (E). Pull the starter cord handle
slowly until resistance is felt, then pull rapidly (Figure 4).
Note: If the engine does not start after repeated attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
WARNING: Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones, fractures,
bruises or sprains could result. When starting engine, pull the starter cord slowly until
resistance is felt and then pull rapidly to avoid kickback.
8. Electric Start: Turn the electric start switch to the on/start position.
Note: If the engine does not start after repeated attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
NOTICE: To extend the life of the starter, use short starting cycles (five seconds
maximum). Wait one minute between starting cycles.
Primer System - Figure 5 7
1. Check the oil level. See the How To Check/Add Oil section.
2. Make sure equipment drive controls, if equipped, are disengaged.
3. Push the stop switch (A), if equipped, to the on position (Figure 7).
4. Turn the fuel shut-off valve (B), if equipped, to the on position.
5. Move the throttle control (C) to the fast position. Operate the engine in the fast
position.
6. Push the red primer (F) three times.
Note: Priming is usually unnecessary when restarting a warm engine.
Note: If you push the primer too many times, excessive fuel will flood the carburetor
and the engine will be difficult to start.
7. If the product is equipped with an engine stop lever (D), hold the engine stop lever
against the handle (Figure 5).
8. Rewind Start: Firmly hold the starter cord handle (E). Pull the starter cord handle
slowly until resistance is felt, then pull rapidly (Figure 7).
Note: If the engine does not start after repeated attempts, repeat Steps 6, 7, and 8. If
it still does not start, go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in
USA).
WARNING: Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones, fractures,
bruises or sprains could result. When starting engine, pull the starter cord slowly until
resistance is felt and then pull rapidly to avoid kickback.
9. Electric Start: Turn the electric start switch to the on/start position.
Note: If the engine does not start after repeated attempts, repeat Steps 6, 7, and 9. If
it still does not start, go to BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in
USA).
NOTICE: To extend the life of the starter, use short starting cycles (five seconds
maximum). Wait one minute between starting cycles.
Choke System - Figure 5 8
1. Check the oil level. See the How To Check/Add Oil section.
2. Make sure equipment drive controls, if equipped, are disengaged.
3. Push the stop switch (A), if equipped, to the on position (Figure 8).
4. Turn the fuel shut-off valve (B), if equipped, to the on position.
5. Move the throttle control (C) to the fast position. Operate the engine in the fast
position.
6. Move the choke lever (G), or the combination choke/throttle lever, to the
choke position.
Note: Choke is usually unnecessary when restarting a warm engine.
7. If the product is equipped with an engine stop lever (D), hold the engine stop lever
against the handle (Figure 5).
8. Rewind Start: Firmly hold the starter cord handle (E). Pull the starter cord handle
slowly until resistance is felt, then pull rapidly (Figure 8).
Note: If the engine does not start after repeated attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
WARNING: Rapid retraction of the starter cord (kickback) will pull your
hand and arm toward the engine faster than you can let go. Broken bones, fractures,
bruises or sprains could result. When starting engine, pull the starter cord slowly until
resistance is felt and then pull rapidly to avoid kickback.
9. Electric Start: Turn the electric start switch to the on/start position.
Note: If the engine does not start after repeated attempts, go to
BRIGGSandSTRATTON.COM or call 1-800-233-3723 (in USA).
NOTICE: To extend the life of the starter, use short starting cycles (five seconds
maximum). Wait one minute between starting cycles.
10. As the engine warms up, move the choke control (G) to the run position
(Figure 8).
How To Stop The Engine - Figure 5 9
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
• Do not choke the carburetor to stop engine.
1. Release the engine stop lever (A, Figure 5)
or
Engine with Throttle Control: Move the throttle control (B, Figure 9) to the stop
position
or
Engine with Stop Switch: Push the stop switch (C, Figure 9) to the off position
or
Engine with Electric Start: Turn the electric start switch to the off/stop position.
See the equipment manual for the location and operation of the switch. Remove the
key and keep in a safe place out of the reach of children.
2. Engine with optional Fuel Shut-off: After the engine stops, turn the fuel shut-off
valve (D, Figure 9) to the closed position.
Maintenance
NOTICE: If the engine is tipped during maintenance, the fuel tank must be empty and
the spark plug side must be up. If the fuel tank is not empty and if the engine is tipped in
any other direction, it may be difficult to start due to oil or gasoline contaminating the air
filter and/or the spark plug.
We recommend that you see any Briggs & Stratton Authorized Dealer for all
maintenance and service of the engine and engine parts.
NOTICE: All the components used to build this engine must remain in place for proper
operation.
Emissions Control
Maintenance, replacement, or repair of the emissions control devices and systems
may be performed by any non-road engine repair establishment or individual.
However, to obtain “no charge” emissions control service, the work must be performed
by a factory authorized dealer. See the Emissions Warranty.
Not for Reproduction