
American-Lincoln
®
1-21
SC7740
BEFORE STARTING THE ENGINE
1.
Set parking brake.
2.
Make sure all controls are in the “OFF” position.
3.
Be sure the directional control pedal is in neutral.
NOTE
Before starting the engine, perform the pre-start checklist.
PRE-START CHECKLIST
1.
Clean engine air filter element.
2.
Check engine oil level.
3.
Check radiator coolant level.
4.
Check hydraulic fluid level.
5.
Check fuel level.
6.
Check all systems for leaks.
7.
Check brakes and controls for proper operation.
8.
Check broom patterns.
9.
Check to ensure all covers, panels, and access doors are securely closed.
NOTE
To prevent possible fire, never fill fuel tank while the engine is running. Always be sure gasoline container and
machine are grounded before dispensing gas. This can be done by permanently attaching an insulated wire
with a battery clip on the end to the gasoline container.
WARNING
When the machine has been stored in below-freezing temperatures, run the engine at no more than
½ throttle with the machine standing still for 5-10 minutes to warm the engine and hydraulic oil.
STARTING GAS ENGINES
Use the choke in extremely cold temperatures, (under 32°F or 0°C).
1.
Pull choke if needed.
2.
Set the engine speed control to idle setting.
3.
Turn key to “START” position until engine starts, then release. (The key switch will return to the “I” position).
4.
Push in the choke after engine starts running (if used).
STARTING LP ENGINES
Perform these checks in addition to the pre-start checklist:
1.
Check connections for leaks.
2.
Open the LP storage tank valve.
3.
Check the regulator. Momentarily press the fuel primer on the regulator cover to bleed air out of the system.
4.
Set the engine speed control to the “IDLE” (low) speed setting.
5.
Turn key to “START” until engine starts, then release (key switch will return to the “I” position).
POST-OPERATION CHECKLIST
1.
Clean the debris hopper.
2.
Check sweeping brooms for wear or damage.
3.
Check all squeegees and flaps for wear, damage, and any needed adjustment.
4.
Fill the fuel tank.
5.
Check all systems for leaks.
6.
Close the LP storage tank valve (LP powered machines only).
OPERATING INSTRUCTIONS