Checking The Engine Oil Level; Breaking In A New Machine; Using The Rollover Protection System (Rops) - Toro 74933 Operator's Manual

9. Inspect the tank hose connection fitting for damaged
or missing o-rings.
10. Make sure that the replacement tank type and size
match the tank specification decal.
11. Align the center hole over the mounting pin that points
straight up on the mower as shown in Figure 8.
G021393
1. Cylinder brackets
2. Mounting pin
Important: The valves and gauges may not
function properly if the LPG tank is not installed
correctly.
12. Latch the cylinder brackets and make sure that the tank
is securely fastened to the mower.
13. Carefully connect the fuel hose. Make sure the hose is
not kinked.
14. Slowly open the fuel valve to equalize the pressure in
the tank.
Note: If the fuel valve is opened too quickly, the
pressure relief valve is equipped with a back pressure
check valve that will shut off the fuel supply. If this
happens, close the fuel valve completely and wait 5
seconds.
15. Check for leaks as described in Inspecting the LPG
System (page 39).

Checking the Engine Oil Level

Before you start the engine and use the machine, check the oil
level in the engine crankcase; refer to Checking the Engine
Oil Level (page 35).

Breaking In a New Machine

New engines take time to develop full power. Mower decks
and drive systems have higher friction when new, placing
additional load on the engine. Allow 40 to 50 hours of
Figure 8
3. Center hole
break-in time for new machines to develop full power and
best performance.
Using the Rollover Protection
System (ROPS)
WARNING
To avoid injury or death from rollover: keep the roll
bar in the fully raised locked position and use the
seat belt.
Ensure that the rear part of the seat is secured with
the seat latch.
WARNING
There is no rollover protection when the roll bar is
in the down position.
• Lower the roll bar only when absolutely
necessary.
• Do not wear the seat belt when the roll bar is
in the down position.
• Drive slowly and carefully.
• Raise the roll bar as soon as clearance permits.
• Check carefully for overhead clearances (i.e.
branches, doorways, electrical wires) before
driving under any objects and do not contact
them.
Important: Lower the roll bar only when absolutely
necessary.
Important: Ensure that the rear part of the seat is
secured with the seat latch.
1. To lower the roll bar, apply forward pressure to the
upper part of the roll bar.
2. Pull both knobs out and rotate them 90° so they are
not engaged (Figure 9).
3. Lower the roll bar to the down position (Figure 9).
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