Gravely 911530 - Pro 21 SCH User Manual
Page 13
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4. Remove side discharge cover and keep
hardware.
5. Attach side discharge deflector to studs
on mower. Make sure deflector covers
discharge opening.
6. Secure with cover hardware from step 4.
To Mulch
1. Shut off unit.
2. Remove grass bag and install side
discharge cover.
3. Open rear door and insert Mulchmaster
plug with the beveled face to the left.
4. Close rear door.
NOTE:
Rear door must close flush.
EMERGENCY STOPPING
To stop the mower in an emergency:
1. Release the engine/blade control.
2. Release the wheel drive control.
3. Allow all moving parts to stop before
leaving operator’s position.
STARTING AND SHUT OFF
See Figure 1 for all Controls and Features.
NOTE:
Start engine on a level surface that is
free of debris.
Manual Start
1. Check each item under Before Each Use
in the
2. Push primer bulb 2 or 3 times for a cold
engine.
NOTE:
It is unnecessary to prime a warm
engine.
3. For engines with a throttle, place throttle
control in the choke position. Once the
engine has started, place throttle in the
high speed detent.
4. With engine/blade control held against
the handlebar, grasp starter handle and
pull rope slowly until it pulls harder. This
is the compression stroke. Let rope
rewind slowly.
5. Pull rope with rapid continuous full arm
stroke to start engine. Allow rope to
rewind slowly.
IMPORTANT:
DO NOT let starter handle snap
against bracket.
6. Repeat steps 4 and 5 until engine starts.
(If engine does not start, see
Shut Off
1. Release wheel drive control and allow
unit to stop completely.
2. Release engine/blade control.
Mowing Tips
Cut grass when it is dry.
Keep mower blades sharp.
Do not set cutting height too low. For tall grass,
mow twice.
Do not mow too fast.
Mow with engine at full throttle. Discharge
clippings into areas already cut.
Vary cutting pattern with each mowing.
NOTE: To prevent dirt and grass from
collecting on mower pan, avoid operating over
bare ground with only patches of grass.
Mulching Tips
For best mulching performance, cut no more
than 1 inch (2.54 cm) of grass per cutting.
WARNING: Improper operation can
lead to injury. Learn what the
controls do and how they work.
Thoroughly read and understand
entire Operator Manual.