Eric Piehl comments on mowing my 🌾︎ grass lawn

This file tells me how to mow my 🌾︎ grass lawn, using my Honda lawnmower, model=HRR2169VKA EJ, serial=MZCG-9229225, manual (.pdf).

I love this mower! Light, fast, reliable, and it mulches very well! I love it!

This file is a reminder for me, particularly at the beginning or end of the season, or whenever tired, hungry or grumpy!

Prepare, mow, finish up.
Other considerations. Eric: When you change this document, also 📄 print and post on mower!

Prepare

Prepare to mow your lawn whenever it is growing, ragged, or 50% longer than your mowing height in the table below (15 cm 6 in). Maybe every 10 days, depending on the season and weather.

If allergies ever interfere with an awesome night's sleep.
☑ Verify oil level (.pdf page 6):
◦ clean dipstick with rag,
◦ pull out,
◦ oil should be in hatched area. As needed, add oil SAE 10W-30 API service SJ.
Knock all grass fragments out of the air filter (.pdf page 12). When it comes time to replace, do so with Honda lawnmower air filter 17211-Z8B-901.
Do all the other ☑ pre-mow checks (.pdf page 4).

If you are cutting or mulching:	with grass length:	then set each wheel height to:	with open slots:

🌾︎ grass tall and wet	≤15 cm 6"	10 cm 4"	0 in front 5 behind
🌾︎ grass in normal condition	≤15 cm 6"	10 cm 4"	0 in front 5 behind
🌾︎ grass in normal condition	≤13½cm 5¼"	9 cm 3½"	1 in front 4 behind
🍃︎ leaves after nights are cool	≤12 cm 4½"	8 cm 3"	2 in front 3 behind

Verify internal door is securely latched in position=MULCH.
☑ Verify gasoline level, adding if needed.
Don PPE (personal protective equipment) :
◦ 👟︎ Closed-toe shoes with socks (crew-length, not shorties).
◦ 👓︎ Safety glasses.
◦ Hearing protection (not necessary with this quiet Honda).
◦ Optional gloves.
◦ Optional sunhat.
◦ If allergies from mowing may interfere with an awesome night's sleep tonight,
(A) take your long-acting second-generation antihistamine you didn't bother with last night,
(B) with a tall glass of 💧︎ cold water, and
(C) don a 😷 N99 or P100 HEPA respirator/filter.
I find Lowe's has a better selection of PPE and lighting v. Home Depot.
If you are going to edge or weed using mechanical methods, do it now — the perimeter mow will do most of the cleanup.
Open gasoline valve, on left side of engine.
Hold dead-man switch to handle.
Pull to start.
Mow.

Allergies

If allergies ever interfere with an awesome night's sleep:

Before you go out to mow, see:
◦ ⚕ Health warnings at 🇺🇸 USA NOAA NWS National Weather Service > upper-left=yourZipcode > Go > optional section Hazardous Weather Conditions optional link Air Quality Alert.
◦ Allergen levels (recent measurements) (choose location nearest you).
◦ Allergen levels (forecast) (give zipcode or state/county).
◦ Allergen levels — details by species (forecast by season, by state/county).
Go see your ⚕ doctor about this stuff. Perhaps you two will include a long-acting second-generation antihistamine, now dirt-cheap at Costco.
Consider getting a N99 or N100 HEPA room aircleaner, such as a Honeywell HPA100 or other air purifier.
◦ Put near your bed. At bedtime, set to run on Low for 2 hours.
◦ 🔥︎ When wildfires cover your town with smoke, put in your main room or hallway, and run on Low 24/7.
◦ Every 3 months, vacuum filter and consider ordering replacement filter Honeywell HEPA size "R".
The Right Native Plants in the Right Landscape Means Fewer Allergies (.pdf).
If your allergies are ever worse after mowing, vacuuming the basement or blowing out the garage.

Happy breathing!

Respirator

If after mowing, vacuuming the basement or blowing out the garage, allergies ever interfere with an awesome night's sleep, get (and use!) a
😷 P100/N99/similar HEPA respirator/filter mask that removes from the air 99.97%/99% of particulates down to 0.3 µm (about the size of a virus). Pending further testing, I am here not recommending N95 (removes 95% of these particles) or inferior filters.
Among your options:

1 × half-face reusable respirator 3M 7502 with 2 × P100 particulate filters 3M 2297 (great fit, great seal, long life, need to wash, clunky).
1 × P100 particulate respirator 3M 8293 (disposable, compact, have not tried).
1 × N99 Cambridge Mask (Newton) (what it filters, and sizing) (reusable, compact, have not tried).

I find Lowe's has a better selection of PPE and lighting v. Home Depot.

After purchasing your respirator, please continue:

Before donning the respirator, drink a tall glass of 💧︎ cold water.
While wearing your respirator, take frequent breaks, with more tall glasses of 💧︎ cold water — the respirator makes it difficult to dump heat.
Learn how to clean and dry the respirator, after you are done for the day.

Happy mowing!

Mow

Mow, controlling self-drive using thumb-levers.

In pattern:

If 🌾︎ grass is tall or 🍃︎ lots of leaves or short on time: Spiral clockwise (deposits of cut grass on track's right side get recut on the next pass).

-OR-
All other times: Diagonal or orthogonal strips.

For each mow, rotate between directions NE, NW, NS then EW.

For a given mow/direction, at the end of each strip:
◦ If you have a good runout (such as onto the street or driveway), runout, and turn mower by moving handle to done-ward.
◦ If no good runout (such as into your other plantings), snug up to the plantings until one wheel can go no further, and also turn mower by moving handle to done-ward.
Unless your done-ward wheel was the wheel that caused you to stop, in which case turn mower by moving handle to anti-done-ward.
◦ Finish with a clean clockwise run around the perimeter.

Finish up

Close gasoline valve, on left side of engine.
Blow clean with leaf-blower, top and inside.
Put away mower, if necessary stow handle out of way.
If the weeds just got away from your mechanical efforts above, and you have a spray bottle of 2,4-D or whatever appropriate to the job, now is a good time to spray herbicide on just the weeds you see:
◦ Follow all label instructions — it's the law.
◦ Keep 🚼︎ kids, 🐕︎ pets and 🚶︎ self away until dry.
◦ In a couple (four, eight, sixteen) days, monitor your effects.

Other considerations

Established lawns do not need fertilizer, and fertilizer is bad for critters in the soil.^[1]
So don't fertilize, unless you are trying to establish a new lawn on bare soil after a major grade change to your topography.
To get your 🌾︎ grass to sink deep roots, water your lawn only once or twice a week, for 2 hours if necessary.^[2]
I set my sprinkler timer box for twice a week, 24 minutes at a time. Seems pretty good — I turn the timer box to OFF during wet periods far more often than I bump it up to three days a week during prolonged droughts.
Whenever possible, try to landscape with native plants.
If deer family Cervidae are eating your shrubbery, consider building and installing deer-exclosure plant cages for areas of extreme predation (.pdf), and follow the tips in MSUE's article Smart Gardening to Deter Deer.
If you have an area eligible for 🔥︎ prescribed fire/controlled burn.

References

^[1] My notes indicate I heard Rick Darke say this at a conference 2015-03-07. —EP 2016-10-01.

^[2] My notes indicate I heard a speaker say this at the same conference as above 2015-03-07. —EP 2016-10-01.

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