Testing The Safety Interlock System; Initial Run-In Procedures; Starting The Engine - Scag Power Equipment TURF Tiger II STTII-52V-25CH-LP-EFI Operator's Manual

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4.4 TESTING THE SAFETY INTERLOCK
SYSTEM
The safety interlock system should be tested each time
before using the machine. If the safety interlock system
does not operate as described below, contact your local
Authorized Scag Power Equipment Dealer immediately to
have the safety interlock system repaired.
1. Sit in the seat in the operating position, engage the
parking brake, place the steering control levers in
the neutral lock position, and engage the PTO switch
to the ON (up) position. Try to start the engine; the
engine should not start.
2. Sit in the seat in the operating position, engage the
parking brake, move either of the steering control
handles out of the neutral lock position, move the
PTO switch to the OFF (down) position. Try to start
the engine; the engine should not start. Repeat for
the other steering control lever.
3. Sit in the seat in the operating position, disengage
the parking brake, place the steering control levers
in the neutral lock position, move the PTO switch to
the OFF (down) position. Try to start the engine; the
engine should not start.
4. Sit in the seat in the operating position, engage the
parking brake, place the steering control levers in
the neutral lock position, move the PTO switch to the
OFF (down) position, and start the engine. With the
engine running, release the parking brake and rise
slightly off of the seat. The engine should shut off.
5. Sit in the seat in the operating position, engage the
parking brake, place the steering control levers in
the neutral lock position, move the PTO switch to
the OFF (down) position, and start the engine. With
the engine running, engage the PTO switch to the
ON (up) position, and rise slightly off of the seat. The
engine should shut off.
6. Sit in the seat in the operating position, engage the
parking brake, place the steering control levers in
the neutral lock position, move the PTO switch to the
OFF (down) position, and start the engine. With the
engine running, move either steering control lever
out of the neutral lock position. The engine should
shut off. Repeat for the other steering control lever.

4.5 INITIAL RUN-IN PROCEDURES

FIRST DAY OF USE OR APPROXIMATELY 20 HOURS
1. Check all belts for proper alignment and wear at 2, 4
and 8 hours.
2. Change the engine oil and oil filter after the first 20
hours of operation. (See Section 7.4.)
3. Check hydraulic oil level in reservoir.
(See Section 7.3.)
4. Check for loose hardware. Tighten as needed.
5. Check interlock system for proper operation.
(See Section 4.4.)
6. Check tire pressure. Adjust pressure if necessary.
(See Section 7.11.)

4.6 STARTING THE ENGINE

CAUTION
DO NOT USE STARTING FLUIDS. Use of starting
fluids in the air intake system may be potentially
explosive or cause a "runaway" engine condition
that could result in engine damage and/or
personal injury.
1. Be sure the fuel shutoff valve, located behind the
operator's seat, (Gasoline & Diesel Models) is fully
open. (See Section 7.5.). LP Powered Machines -
Make sure the fuel valve is completely open on the
LP tank.
2. Secure the ROPS in the upright and locked position.
3. Sit in the operator's seat, fasten seat belt and place
the steering control levers in the neutral position.
4. Engage the parking brake.
5. Place the PTO switch in the disengaged position.
6. Move the engine throttle control to about half engine
speed.
7. Gasoline Carburated Units Only - If the engine is
cold, choke the engine as needed if equipped.
8. Diesel Powered Units Only - Turn the ignition key to
the on position until the glow plug indicator located in
the Tiger Eye display goes out.
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Section 4