View Full Version : should my ryan aerator be this slow?
GarPA
09-29-2002, 01:40 AM
for you guys with some experience with lawnaire 28's...I know this is a slow machine...but yesterday I did a little test...did 9500 sq ft and it took me 50 minutes...now the book says it can do up to 28k per hour...well I;m only getting a third of that pace...yard had no obstacles...when I try to go up even a slight grade I have to tip it back so it can get up the slope...just doesn't seem to be running at full rpm...b4 I go messing with the adjustments I wanted your opinion on if this thing is running slower than it should. If it is, any tips on how to get the rpms up??(I'm not real good on engine adjustments so tell me like a 2 year old)... it starts fine, runs fine...but man so s...l...o....w...thanks
MHubes
09-29-2002, 08:03 AM
I don't know what it is, either. I have a Lawnaire 28 that runs much slower than it should, however, the engine doesn't seem to be running low on RPM's. My machine will do about 15k of lawn in an hour, but that's still slower than it should. I was thinking maybe some belt tensioner or something?
GarPA
09-29-2002, 08:07 AM
well I hope we get some other points of view here...something is defintely not right and I have zero experience working on this machine...you are a little faster than me but not by much...I get $14 per 100ok so this yard was $140...not bad profit...but this thing is still very hard work and the fact it wont run up a slope is weird
greensummer
09-29-2002, 08:09 AM
The new Honda powered Ryan IV are very quick, easy to handle/manouever and fuel efficient. An operator can do at least 12 average size homes if not 13 per day. I'm buying one next Spring.
As for your problem, sorry.;)
Shady Brook
09-29-2002, 08:31 AM
I would like to say that I own one of these, but that would be a lie. I have rented on a few occasions, and noticed the slow thing too. I goofed around with it as I did not have time to waste, and it seems the throttle cable was not working properly. If you look down where the little bunny indicator is on the throttle, you could not keep it up to max. I hooked up a bungy cable and it took right off like it should. No idea if this is your problem, but a new throttle cable at the dealer supposedly fixed the prob.
Take care
Jay
Bob Minney
09-29-2002, 11:06 AM
What engine is on your 28, Briggs-8? Adjust top RPMs at carb govenor. ( give engine # and I can give better info)
Also
If it is like the 4/5s and has a drive belt replace that, may look good but be slipping.
GarPA
09-29-2002, 02:15 PM
Bob..the engine is a wisconsin/robin. I too think there might be a problem with the throttle cable but then I am about the dumbest machine person in this business. I lubed it, but when I try to back off the throttle cable a little bit so that I can go slower, when I engage the tines, the thing stops running....so do you also think it should be doing more than 10,00O ft per hour? if you give me any mechanical tips, remember how dumb I am!! thanks very much for the help...
LAWNGODFATHER
09-29-2002, 02:26 PM
Hows you overlaping?
Invest is a $30 Tinytach. Keep a constant eye on engine speed.
captdevo
09-29-2002, 07:32 PM
tighten your belts lately??
the belts should be checked nd adjusted.
the problem is they aren't used that often, and you'll get memory in the belt and idler spring.
my guess is tighten your belts....it's a heavy machine, with use, they'll stretch!!
GarPA
09-29-2002, 07:36 PM
ok here I go with my first pissed off thread...my question was about people who know this machine....dont tell me about fricking toys to attach to the damn thing....I asked a simple question...whats the avg pdoductivity per 1000k , should it not be able to crawl up a minor slope?....and if it can't, then tell me....yeah I'm cranky today...this thing has beaen me to **** the last few days....
Shady Brook
09-29-2002, 07:53 PM
If it is dying going slow, I think it sounds fuel related to some degree. Can you move the throttle to full speed, and will it stay? If it slides back to a slower throttle position, maybe it is a cable issue.
A Tiny tac is not a toy, it can tell you if your machine is opperating at the correct rpm's to function properly. It is another inexpensive way to narrow down what a potential problem maybe.
Jay
captdevo
09-29-2002, 08:36 PM
looks like people are trying to help you......i sell and service ryan products...
RYAN LAWNAIRE® 28
POWER
Engine — Briggs & Stratton Vanguard, 4-cycle gas, recoil start, on/off switch,
low-tone muffler
Horsepower (@3,600 rpm) — 7.5 (5.6 kW)
Displacement — 13.1 cu. in. (215 cc)
Oil Capacity — 1 qt. (.9 l)
UNIT
Machine Type — Reciprocating self-propelled, walk-behind aerator
Clutch — Belt tightener
Drive
Wheel — A-section V-belt, #40 O-ring sealed roller chain
Tines — B-section V-belt, #50 O-ring sealed roller chain
Lubrication — 5 grease fittings; all sealed bearings in crankshaft and tine arm
linkage; oil bath in reversing gear boxes
Aerating Width — 28 in. (71.1 cm)
Coring Depth — Up to 2.5 in. (64 mm)
Core Diameter — 0.75 in. (19 mm)
Aeration Pattern — 3.5 in. x 5 in. (89 mm x 127 mm)
Holes per Square Foot — Up to 12
Productivity — Aerates up to 24,000 sq. ft./hr
Tine Arms — 4 arms with 2 tines per arm
Tines — 0.75 in. (19 mm) dia. formed from austemper hardened alloy steel
Tires
Front — (1) 8.7 x 2.80/2.50-4
Rear — (2) 10.4 x 4.10/3.50-4
Features — Tricycle front for easy maneuverability; rubber iso9lated handlebars
and spring-assist lift for ease of use; sealed, precision ball bearings at all
locations in the tine arms and linkage for low maintenance and durability
DIMENSIONS
Width — 34 in. (86.4 cm)
Length — 56.4 in. (1.4 m)
Height — 48 in. (1.2 m)
Weight — 400 lbs. (181 kg)
check your rpm's, if they are up to 3600, check your belts.....pretty simple!
let us know what you find....
we have this same machine bought it in 96 and any of the things the guys mentioned could be the cause.
Like jay said that tach aint a toy everybody should have one .
We paid 80 bucks for the sendec sts 5000 tach and its worth every penny we paid.
LAWNGODFATHER
09-29-2002, 09:19 PM
Originally posted by kitzy
ok here I go with my first pissed off thread...my question was about people who know this machine....dont tell me about fricking toys to attach to the damn thing....I asked a simple question...whats the avg pdoductivity per 1000k , should it not be able to crawl up a minor slope?....and if it can't, then tell me....yeah I'm cranky today...this thing has beaen me to **** the last few days....
Thanks for the beautiful responce to people who were trying to help you with the veague imformation you provided.
NOW ANSWER THE QUESTIONS THAT WERE ASKED SO WE CAN MOVE ON!
Adjust top RPMs at carb govenor. ( give engine # and I can give better info)
Also
If it is like the 4/5s and has a drive belt replace that, may look good but be slipping.
Hows you overlaping?
tighten your belts lately??
the belts should be checked nd adjusted.
the problem is they aren't used that often, and you'll get memory in the belt and idler spring.
my guess is tighten your belts....it's a heavy machine, with use, they'll stretch!!
You have only a few moving parts that would make the speed slower or faster.
Belts? (Tension)
Engine RPM (TINY TACH) 100 or so rpm's will change the ground speed dramaticly.
Other than those 2, it would be a serious problem.
Yes I have used the machine!!!!!! It was made to aerate greens.
You can also buy spikes for it, so you don't leave cores laying.
GarPA
09-30-2002, 02:56 AM
just want to apologize to you guys for being such a cranky jerk yesterday...thanks for the ideas to help this turtle machine...will try your ideas and let you know if they help...
LAWNGODFATHER
09-30-2002, 03:07 AM
The carb might also hase some varnish build up in in it.
Do you use stabil in your fuel before you store this?
This is one of those pieces of equipment that usually gets unknowingly neglected when put up.
That machine will do about half what it is rated for. The 12k to 14k an hour range is what I would expect out of it.
You say it dies when you engauge the tines...... Is it due to the rpm's being to slow, or does it sound like the engine doesn't have enough horse power to run?
Does the belt squeel when you engauge the tines?
Apology accepted.
GarPA
09-30-2002, 06:29 AM
LGF...since I bought it used only this past spring I dont know if the fuel was stabilized. When I talk about it stalling...I mean when I move the throttle back just a hair if I need to slow down in a small space I'm working in. The part thats more weird is is cant pull itself up a minor sloper like only 15 degrees when the tines are down...now if I raise the tines it walks up the hill fine. The engine seems to run at full tilt but like you said I dont know if its at top rpm. there is a gold 'lever' that connects to the throttle linkage ont he enigine...when I try to move that with my finger, it revs up but settles back at what I think is the correct adjustment. I think this morning when I use it again (yuck...yesterday I hurt my arm wrestling with it) I'm going to take the cover off...maybe I can see a belt slipping??? I kinda think thats what it is...but like I said, I am machine stupid...its my 'weakest link' in this business...
HarryD
10-01-2002, 12:00 AM
its could be the belt or it could be the converter that the pully off the motor could be going bad but most likly the belt is slipping
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