Honda Power Equipment HR173 User Manual
Thank you for purchasing a Honda mower.
This manual covers operation and maintenance of Honda HR173 rotary
mowers; type PDA (manually propelled, rear bag).
Honda HR173 mowers meet CPSC blade safety requirements for
walkbehind rotary power mowers.
Honda Motor Co., Ltd. reserves the right to make’changes at any time
without notice and without incurring any obligation.
No part of this publication may be reproduced without written permission.
This manual should be considered a permanent part of the mower and
should remain with the mower if it is resold.
Pay special attention to statements preceded by the following words;
Indicates a strong possibility of severe personal injury or loss
of life if instructions are not followed.
CAUTION: Indicates a possibility that equipment or property damage
could result if instructions are not followed.
‘I’
NOTE: Gives helpful information.
If a problem should arise, or if you have any questions about your mower,
consult an authorized Honda dealer.
HONDA MOTOR CO., LTD. 1985, ALL RIGHTS RESERVED
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l Honda rotary mowers are designed to give safe and dependable service
if operated according to instructions and intended use: mowing (cutting)
grass, and bagging cut grass when equipped with the grass bag. Any
other use could be dangerous.
. Read and understand the Owner’s Manual before operating the mower.
Failure to do so could result in personal injury or equipment damage.
._
2
CONTENTS
1 CAUTION LABEL LOCATION
2 GENERAL SAFETY
3 COMPONENT IDENTIFICATION
4 CONTROLS
5 OPERATION
6 BEFORE YOU START THE MOWER
7 STARTING AND STOPPING THE ENGINE
l
High altitude operation
8 TRANSPORTING/STORAGE
9 MAINTENANCE
10 TROUBLESHOOTING
11 SPECIFICATIONS
12 WARRANTY SERVICE
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CONTENTS
10
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17
19
22
32
33
34
4
6
7
8
9
3
1. CAUTION LA.BEL LOCATIONS
BLADE CONTROL ENGINE.
WARNING WARNING
n
READ OWNER’S MANUAL
n
READ OWNER’S MANUAL
BEFORE OPERATING BEFORE OPERATING
n
D0 NOT ALLOW ANYONE TO
n
D0 NOT ALLOW ANYONE TO
STAND IN FRONT OF MOWER STAND IN FRONT OF MOWER
n
T0 PREVENT INJURY FROM
n
T0 PREVENT INJURY FROM
ORJECTS: CLEAR AREA OF DEBRIS ORJECTS: CLEAR AREA OF DEBRIS
KEEP OTHERS AWAY KEEP OTHERS AWAY
ODO NOT REMOVE GUARDS ODO NOT REMOVE GUARDS
q
DO NOT START UNLESS REAR
q
DO NOT START UNLESS REAR
DOOR IS CLOSED OR BAG DOOR IS CLOSED OR BAG
IS IN PLACE IS IN PLACE
THROWN THROWN
HOLD AGAINST HANDLE ‘BEFORE STARTING
RELEASE TO STOP ENGINE.
4
WARNING
5
~___.....
SERIOUS INIURV. DO NOT
WHEN ENlINE IS fHlNNING.
[[ DANGER:KEEP HANDS and FEET AWAY ]]
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2. GENERAL SAFETY
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l Know how to stop the engine quickly and understand operation of all the
controls. Never permit anyone to operate the mower without proper instruction.
l The rear shield is for your protection; keep it in place at all times.
l The blade is sharp and dangerous. Never put your hands or feet under
the mower. Never tilt the mower to expose the blade while the engine is
running. If you find it necessary to work on the blade or mower, stop the
engine and remove the spark plug cap.
l Never stand in front of self-propelled mowers when the engine is run-
ning. Someone may accidentally engage the drive clutch.
l Clear the lawn of sticks, stones, or debris before mowing. Mow only in
cleared areas in daylight or good artificial light.
l Protect yourself by wearing long trousers and appropriate shoes. Don’t
wear loose fitting clothing or sandals when mowing.
l Keep children and pets away from the mower at all times.
l If the blade strikes a stone, sprinkler head, etc., be sure the blade, blade
holderwasher, woodruff key, fasteners, crankshaft, etc. are in good condition before continuing to mow.
Replace any damaged parts.
3. COMPONENT IDENTlFlCATlOiU
RECOIL STARTER GRIP
AIR CLEANER
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I- FLYWHEEL BRAKE
THROTTLE LEVER
- GRASS BAG HANDLE
CUTTING HEIGHT ADJUSTING
OIL FILLER CAP
DISCHARGE
SPARK PLUG
A MUFFLER
CAP
7
4. CONTROLS.
Throttle Lever
Throttle positions: START (CHOKE)
HI
LO
Flywheel Brake Lever (Black-painted lever)
The flywheel brake lever must be moved forward and held against the
handlebar to allow the engine to &art and run. When the flywheel brake
lever is released, the engine stops.
m If the Brake System fails to stop the engine, turn off the fuel
valve and allow the engine to stop completely.
Take the mower to an authorized Honda dealer for service.
FLYWHEEL BRAKE LEVER
8
5. OPERATION
This mower may be used either with the grass bag or without the grass
bag.
The following suggestions and rules are intended to help you operate your
HR173 under the safest conditions possible. Be alert and exercise the same
care using the mower as you would using any other power tool.
l
Be especially careful when mowing uneven or rough ground. The mower
may tilt, exposing the blade, and hidden objects could be thrown by the
blade. Keep all four wheels on the ground.
0 Mow across slopes. Do not mow excessively steep slopes.
l
Control direction by the handle, not by foot pressure on the mower
housing.
l
Keep a firm hold on the handle and walk, never run, with the mower.
Don’t lag behind the machine or let it pull you.
CAUTION:
l
Use extra care when mowing around objects to keep the blade from
striking them. Never deliberately mow over any object.
l
Stop the engine immediately if the blade hits an object or the mower
starts to vibrate. Remove the spark plug cap (keep the wire away from
the plug) and inspect for damage.
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6. BEFORE YOU START THE IMOWER
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1. Check the engine oil level.
CAUTION:
l Engine oil is a major factor affecting engine performance and service
life. Non-detergent oil and 2-stroke engine oil are not recommended.
l Running ,the engine with insufficient oil can cause serious engine
damage.
Use Honda-4-stroke, or an equivalent high detergent, premium quality
motor oil certified to meet or exceed U.S. automobile manufacturers’ re-
quirements for service classification SE or SF (Motor oils classified SE or
SF will show this designation on the container).
SAE low-40 is recommended for general, all temperature use.
a. Place the mower on a level surface.
b. Remove the oil filler cap and wipe the dipstick clean.
c. Insert the dipstick into the oil filler neck, but do not screw it in.
d. Check the oil level shown on the,dipstick. If near the lower level, fill to
the upper level with the recommended oil.
1
-30 720
10
-10
0 10 20 30 40°C
OIL FILLER CAP
UPPER LEVEL LO\;‘WER LEVEL
1.
2. Check the fuel level.
Your engine is designed to use any gasoline that has a pump octane
number (
’ ‘2 M ) of 86 or higher,
or ,that has a research octane number of 91 or higher. Gasoline pumps at service station normally
display the pump octane number.
We recommend that you use unleaded fuel because it produces fewer
engine and spark plug deposits and extends the life of exhaust system
components.
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid
getting dirt, dust or water in the fuel tank. Use of a lower octane gasoline
can cause persistent “pinging” or heavy “spark knock” (a metallic rapping
noise) which, if severe, can lead to engine damage.
CAUTION: If “spark knock” or “pinging” occurs at a steady engine speed
under normal load, change brands of gasoline. If spark knock or pinging
persists, consult your authorized Honda dealer. Failure to do so is considered misuse, and damage caused by misuse is. not covered by Honda’s
Limited Warranty.
Occasionally you may experience light spark knock while operating under
heavy loads. This is no cause for concern, it simply means your engine is
operating efficiently.
liwml
l
Gasoline is extremely flammable and is explosive under certain
conditions.
l
Refuel in a well-ventilated area with the engine stopped. Do not smoke
or allow flames or sparks in the area where the engine is refueled or
where gasoline is stored.
l
Do not overfill the fuel tank (there should be no fuel in the filler’neck).
After refueling, make sure the tank cap is closed properly and securely.
l
Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may
ignite. If any fuel is spilled, make sure the area is dry before starting the
engine.
l
Avoid repeated or prolonged contact with skin or breathing of vapor.
KEEP OUT OF REACH OF CHILDREN.
Fuel tank capacity: 0.9 0 (0.24 US gal, 0.02 Imp gal)
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