Replacing Propane Cylinders; Pre-Start; Starting And Shutting Off Engine - Gravely Pro-Turn 400 LP Operator's Manual

REPLACING PROPANE
CYLINDERS
WARNING: Know Your Source!
Only use propane cylinders that
have been filled to a maximum of
80% of capacity per NFPA 58
code. DO NOT use an overfilled
cylinder!
WARNING: AVOID INJURY. Read
and understand entire Safety
section before proceeding. Do not
use worn or damaged
components.
See Install Propane Cylinders on page 14..
When replacing cylinders:
1. Place unit in an open or well-ventilated
area.
2. Shut off engine and allow it to cool.
3. Close gas shut-off valves on cylinders.
4. Clean valve areas of any debris.
5. Inspect cylinders for damage.
6. Inspect threads on cylinders and fittings.
Ensure that o-ring is present in cylinders
and in good condition.
7. Inspect all gas hoses for wear, kinks or
other damage.
8. Ensure that all gas hose clamps are
present and tight.
9. Ensure that tank mount index pins are
fully engaged in alignment hole in cylinder
collar.
10. Ensure that gas lines are not pinched or
damaged when installing the cylinder and
tightening the cylinder straps.
IMPORTANT: When not in use, tightly close
gas shut-off valve on cylinder by turning valve
in a clockwise direction.

PRE-START

CAUTION: Make sure all
hardware is tight, all safety
devices are in place and all
adjustments are made correctly.
1. Check Safety Interlock System
If this system does not function as described
do not operate until repairs are made.
2. Check Air Cleaner
Check air filter for dirt and overall condition.
Clean as required. Follow engine manual
maintenance schedule.
3. Check Crankcase Oil
Check that engine crankcase oil is full. Follow
engine manual maintenance schedule.
4. Check Tire Pressure
See Specifications on page 46. for correct tire
pressure.
5. Check Hydraulic Fluid Level
See Check Hydraulic Fluid Level on page 29.
6. Adjust Seat
Be sure all controls can be reached safely
from operator's position. See Seat
Adjustments on page 21..
7. Set Cutting Height
Make sure the deck is set to the correct
cutting height. See Height of Cut (HOC) on
page 20.
STARTING AND SHUTTING OFF
ENGINE
NOTICE: DO NOT operate starter more than
15 seconds per minute, as overheating and
damage can occur. If engine will not start, see
TROUBLESHOOTING on page 44 or refer to
Engine Manual.
NOTICE: The engine will not start unless the
steering control levers are in the neutral
position, the PTO switch is in the off position,
and parking brake is engaged.
To Start:
1. Open propane cylinder gas shut-off valve.
2. Insert ignition key.
3. Move the throttle lever to the start
position.
1. Throttle Lever Start Position
EN - 23
1