Gravely Pro-Stance 36 CARB Owner's/Operator's Manual page 18

• Do not modify the fuel system to use
different fuels.
• Never mix oil and gasoline.
NOTICE: All gasoline is not the same. If the
engine experiences starting or performance
problems after using a new gasoline, switch
to a different fuel provider or fuel brand.
IMPORTANT: Excessively oxygenated or
reformulated fuels (fuels blended with
alcohols or ethers) can damage the fuel
system or cause performance problems. If
any undesirable operating problems occur,
use a gasoline with a lower percentage of
alcohol or ether.
PRE-START
CAUTION: Ensure all hardware is
tight, safety devices are in place
and adjustments are made
correctly.
1. Check Safety Interlock System
If this system does not function as described
do not operate until repairs are made (See
Safety Interlock System on page 16).
2. Check Air Cleaner
Check air filter for dirt and overall condition.
Clean as required. See engine manual.
3. Check Engine Fuel and Crankcase
Oil
Add clean fuel if required and ensure engine
crankcase oil is full. See engine manual.
4. Check Tire Pressure
See Specifications on page 41.
5. Check Hydraulic Fluid Level
See Check Hydraulic Fluid Level on page 25.
6. Set Cutting Height
Ensure deck is set to correct cutting height
(see Height-of-Cut (HOC) Index Wheel (Item
18) on page 15).
STARTING AND SHUT OFF
CAUTION: Read entire
Owner/Operator and engine
manual first. DO NOT attempt to
start engine at this time.
To start engine:
1. Move steering levers to neutral position.
2. Move PTO switch into off position.
3. Engage parking brake. (see Parking
Brake Lever (Item 19) on page 16).
4. If engine is cold, pull choke into On
position. If engine is warm or hot, do not
use choke.
5. Move throttle to 3/4 fast position. See
engine manual for detailed instructions.
6. Insert ignition key into switch and turn to
Start position.
7. When engine starts, release key.
8. Push choke into Off position. Make sure
engine runs smooth before operation.
To stop engine:
1. Move steering levers to neutral.
Disengage PTO and engage parking
brake.
2. Move throttle to slow position.
3. Turn ignition key to off position.
STOPPING IN AN EMERGENCY
WARNING: Operating unit on
slopes may lead to loss of steering
control. When operating on slopes
be prepared to react to an
emergency situation.
1. Return steering levers to neutral
position.
2. Immediately set parking brake.
3. Turn off PTO and engine.
TO MOW WITH UNIT
NOTICE: Unit can be operated while
standing on the operator platform or as a
walk-behind mower with the operator platform
locked in the upright position.
1. Start engine. Let the engine warm until it
runs smoothly.
2. With left steering lever (operator
presence control - OPC) depressed,
release parking brake.
WARNING: Move steering control
levers slowly and keep throttle
control lever at slow speed until
you learn how to operate the unit.
3. Move steering levers to neutral.
4. Slow engine down to 3/4 speed.
5. With left steering control (OPC)
depressed, turn ON the PTO switch to
engage mower.
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