Honda WT20X, WT30X, WT40X Owner's Manual
Thank you for purchasing a Honda trash pump.
This manual covers the operation and maintenance of WT20X, WT30X
and WT40X trash pumps. All information in this publication is based on the
latest product information at the time of printing.
The illustrations in this manual are based on the WT30X pump.’
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.
1 This manual should be considered a permanent part of the pump and
should remain with the pump if it is resold.
It is illegal in some areas to operate an engine without a U.S.D.A. qualified
spark arrester; check local laws and regulations. An optional spark arrester
for this pump is available from your authorized Honda pump dealer.
Pay special attention to statements preceded by the following words:
m Indicates a strong possibility of severe personal injury or death if
instructions are not followed.
CAUTION: Indicates a possibility of equipment or property damage if in-
structions are not followed.
NOTE: Gives helpful information.
If a problem should arise, or if you have any questions about the pump,
consult an authorized Honda dealer.
HONDA MOTOR CO., LTD. 1987, ALL RIGHTS RESERVED
CONTENTS
1.
PUMP SAFETY
COMPONENT IDENTIFICATION ,............................................. 3
2.
PREPARATION
3.
4.
PRE-OPERATION CHECK
STARING THE ENGINE
5.
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*.................................
6.
7.
STOPPING THE ENGINE
l High altitude operation
MAINTENANCE
::
TRANSPORTING/STORAGE
10.
TROUBLESHOOTING
11.
SPECIFICATIONS
12.
WARRANTY SERVICE
. . . . . . . . . . . . . . . . . . . . . ..*.............................................
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. ..*................................................... 5
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1
4
9
11
13
14
15
23
25
27
28
1. PUMP SAFETY
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Honda pumps are designed to give safe and dependable service iffy
operated according to instructio&. Read and un&&nd this Owner’s
Manual before operating the pump. Failure to do so could result in per- ~
sonal injury or equipment damage.
For safety, never pump flammable or corrosive liquids such as gasoline ~~
or acid. Also, to avoid pump corrosion, never pump sea water, chemical ~~
solutions, or caustic liquids such as used oil, wine, or milk.
Place the pump on a firm, level surface. If the pump is tilted or overturned, fuel spillage may result.
To prevent fire hazards and to provide adequate ventilation, keep the ~~~
pump at least 1 meter (3 feet) away from building walls and other equip- ~
ment during operation. Do not place flammable objects close to theism
pump.
Children and pets must be kept away from the area of operation due to a ~
possibility of burns from the hot engine components.
Know how to stop the pump quickly, and understand the operation of all ~~
controls. Never permit anyone to operate the pump without proper ~~
instructions.
Gasoline is extremely flammable and is explosive under certain ~~~
conditions.
- Refuel in a well-ven$lated area with the engine stopped. Do not ~~.
smoke or allow flames or sparks in the refueling area or where ~~~~~
gasoline is stored.
- Do not overfill the fuel tank. After refueling, make sure the tank cap is ~~,
closed properly and securely.
Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may mj
ignite. If any fuel is spilled, make sure the area is dry before starting the ~~~
engine.
Never run the engine in an enclosed or confined area. Exhaust contains
poisonous carbon monoxide gas; exposure can cause loss of con- ~~~
sciousness and may lead to death.
The muffler becomes very hot during operation and remains hot for a
while after stopping the engine. Be careful not to touch the muffler while
it is hot. Let the engine cooI before storing the pump indoors. Children ~~~~~
and pets must be kept away from the area of operation due to a
possibility of burns from hot engine components.
+,.;>;;
. . . . . . . . , . . . . . . .
$g&:e;
~~
~~~
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. . . . . . . . . . . . . . . . . . .
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1
Read these labels before you operate the pump.
G iASOLINE WARNING LABEL
-WARNING-
2
PUMP CAUTION LABEL
2. COMPONENT IDENTIFICATION
AIR CLEANER
THROTTLE LEVER
CHOKE LEVER
FUEL VALVE
STARTER GRIP
PRIMING WATER
FILLER CAP
FUEL FILLER
CAP
\
I -
ENGINE SWITCH
PRIMING WATER
FILLER CAP
CASE DRAIN PLUG
OIL FILLER-CAP/DIPSTICK
SUCTION PORT
COVER DRAIN PLUG
I
STRAINER
3
3. PREPARATION
1. Connect the suction hose.
Use commercially available hose, hose connector, and hose bands. The
suction hose must be .of reinforced, noncollapsible construction. Suction
hose length should not be longer than necessary, as pump performance is
best when the pump is not far above the water level. Self-priming time is
also proportional to hose length.
The strainer that is provided with the pump should be attached to the end
of the suction hose with a band, as shown.
CAUTION: Always install the strainer on the end of the suction hose
before pumping. The strainer will exclude debris that can cause clogging or
impeller damage.
NOTE: Tighten the hose connector and bands to prevent air leakage and
loss of suction. A looselv connected suction hose will reduce pump performance and self-priming gbility.
SUCTION
HOSE
CONNECTOR
STRAINER
HOSE ‘BAND
J
2. Connect the discharge hose.
Use a commercially available hose, hose connector, and hose band. A
short, large-diameter hose is most efficient. Long or small-diameter hose
increases fluid friction and reduces pump output.
NOTE: Tighten the hose band securely to prevent the hose from disconnecting under high pressure.
HOSE CONNECTOR
4
4. PRE-OPERATION CHECK
1. Check the engine oil level.
CAUTION:
l Engine oil is a major factor affecting engine performance and service life.
Nondetergent oils and 2-stroke oils are not recommended because they
have inadequate lubricating characteristics.
l Check the oil level with the pump on a level surface and the engine
stopped.
Use Honda 4-stroke oil, or an
equivalent high detergent, premium
quality motor oil certified to meet or
exceed U.S. automobile manufac-
turer’s requirements 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.
0
-30 -20 -10
20 40
0
Ambient temperature
1. Remove the oil filler cap/dipstick and wipe it clean.
2. Insert the filler cap/dipstick into the oil filler neck, but do not screw it in.
3. If the level is low, fill to the top of the oil filler neck with recommended
oil.
10
60
20 30
60 100°F
I
40°C
NOTE: The Oil Alert System will automatically stop the engine before the
oil level falls below the safe limit. However, to avoid the inconvenience of
an unexpected shutdown, it is still advisable to visually inspect the oil level
regularly.
OIL FILLER NECK
UPPER LEVEL
2. Check the fuel level.
Your engigs ifi designed to use any gasoline that has a pump octane
number (---of 91 or hlg
-A ) er. Gasoline pumps at service station normally display the
of 86 or higher, or that has a research octane number
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 con-
sidered 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.
Fuel tank capacity: WTZOX...3.6 lit. (0.95 US gal, 0.79 Imp gal)
WT3OX...6.0 lit. (1.59 US gal, 1.32 Imp gal)
\
WT4OX...6.5 lit. (1.72 US gal, 1.42 Imp gal)
6
Gasoline is extremely flammable and is explosive under certain conditions.
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.
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.
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.
Avoid repeated or prolonged contact with skin or breathing of vapor.
KEEP OUT OF REACH OF CHILDREN.
GASOLINES CONTAINING ALCOHOL
If you decide to use a gasoline containing alcohol (gasohol), be sure it’s octane rating is at least as high as that recommended by Honda. There are
two types of “gasohol”:
one containing ethanol, and the other containing
methanol. Do not use gasohol that contains more than 10% ethanol. Do
not use gasoline containing methanol (methyl or wood alcohol) that does
not also contain cosolvents and corrosion inhibitors for methanol. Never
use gasoline containing more than 5% methanol, even if it has cosolvents
and corrosion inhibitors.
NOTE:
l Fuel system damage or engine performance problems resulting from the
use of fuels that contain alcohol is not covered under the warranty.
Honda cannot endorse the use of fuels containing methanol since
evidence of their suitatiility is as yet incomplete.
l Before buying fuel from an unfamiliar station, try to find out if the fuel
contains alcohol, if it does, confirm the type and percentage of alcohol
used. If you notice any undesirable operating symptoms while using a
gasoline that contains alcohol, or one that you think contains alcohol,
switch to a gasoline that you know does not contain alcohol.
7
3. Check the air cleaner element.
Remove the wing nut and air cleaner cover.
Check the air cleaner elements to be sure they are clean and in good
condition. Clean or replace the elements if necessary (p. 17).
WTSOX Type
WTBOX Type
‘I??@
ELEMENTS
CAUTION: Never run the engine without the air cleaner. Rapid engine
wear will result from contaminants, such as dust and dirt, being drawn
through the carburetor, into the engine.
m
WT40X Type only)
4. Check the priming water.
The pump chamber should be completely filled before operating.
CAUTION: Never attempt to operate the pump without priming water
or the pump will overheat. Extended dry operation will destroy the pump
seal. If the unit has been operated dry, stop the engine immediately and
allow the pump to cool before adding priming water.
PRIMING WATER
-J
8
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