Craftsman 917.372340 User manual

OWN R'S
MANUAL
MODEL NO.
917.372340
£RRFTSMRN
4
22"" .0 RESERVE POWER POWER-PROPELLED
LAWN M 0 WE R
THIS MOWER COMPLIES WITH CPSC REGULATIONS EFFECTIVE JUNE 30, 1982. TO START THE ENGINE IT IS NECESSARY
TO DEPRESS THE CONTROL BAR WHEN STANDING BEHIND THE MOWER, BEFORE PULLING ON THE STARTER ROPE.
FOR FURTHER STARTING DETAILS SEE PAGE 8 OF THIS MANUAL.
SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.
PART NO. 87892 REV, 2 415/88

CRAFTSMAN quality LAWN CARE equipment
TWO YEAR LIMITED WARRANTY ON CRAFTSMAN POWER MOWER
For two years from the date of purchase, when this Craftsman power mower ismaintained, lubricated and
tuned-up according to the instructionsin the owner's manual, Sears will repair, free of charge, any defect
in material and workmanship.
If this Craftsman power mower is used for commercial or rental purposes, this warranty applies for only
qO days from the date of purchase.
This warranty does not cover:
Expendable items which become worn during normal use, such as rotary mower blades, blade
adapters, belts, air cleaners and spark plug.
Repairs necessary because of operator abuse or negligence, including bent crankshafts and the failure
to maintain the equipment according to the instructions contained in the owner's manual.
WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN POWER MOWER TO THE
NEAREST SERVICE CENTER/DEPARTMENT IN THE UNITED STATES.
Thiswarranty gives you specificlegal rights, and you may also have other rights which may vary from state
to state.
SEARS, ROEBUCK and CO. Department 698/731A Sears Tower, Chicago, ill. 60684
MAINTENANCE AGREEMENT
A SEARS MAINTENANCE AGREEMENT IS AVAILABLE ON THIS PRODUCT. CONTACT YOUR
NEAREST SEARS STORE FOR DETAILS.
CUSTOMERS RESPONSIBILITIES
Read and observe the rules for safe use. Always usecare when using your lawn mower. Keep away from
moving parts.
DO NOT work on your lawn mower with engine running. Always keep your mower clean.
Follow o regular schedule in maintaining, caring for and using your lawn mower. A well cared for mower
will run and last longer.
Follow the instructions under "Maintenance" and "Storage" sections of this Owner's Manual.
Blade, blade flange, air cleaner/air filter, spark plug are expendable parts which are your responsibility.
TABLE OF CONTENTS
WARRANTY ........................................................ 2
KNOW YOUR CRAFTSMAN MOWER ........................................ 3
RULES FOR SAFE USE ................................................... 4
HELP YOUR LAWN MOWER LAST LONGER ................................... 5
HOW TO SET-UP YOUR MOWER .......................................... 6
BEFORE STARTING ENGINE .............................................. g
HOW TO USE YOUR MOWER ............................................. g
MAINTENANCE ....................................................... 11
STORAGE ........................................................... 15
REPAIR PARTS ....................................................... 17
ENGINE REPAIR PARTS ................................................ 24
TROUBLE SHOOT_NG .................................................. !6
2

KNOW YOUR CRAFTSMAN®MOWER
ZONE/ENGINE
CONTROL
_p._..--- CONTROL BAR
DRIVE CONTROL
HANDLE
GRASS CATCHER
HANDLE BRAC
PRIM
AIR FILTER
\
IM PLATE
CABLE CLIP
OIL CAP WITH DIPSTICK
GASOLINE FILLER CAP
_WHEEL ADJUSTER
(ON EACH WHEEL)
DRIVE COVER
HOUSING
FIG. 1
MEETS CPSC BLADE SAFETY REQUIREMENTS
SPECIFICATIONS TOOLS REQUIRED
Oil: Use SAE 30W motor oil, SAE 10W30
motor oil can also be used.
Gasoline: Use unleaded automotive
gasoline. Regular automotive gasoline can
also be used. DO NOT use premium
gasoline.
FOR CATCHER ASSEMBLY
7/16" wrench or
adjustable wrench.
Medium phillips screwdriver.
FOR BLADE REMOVAL
Standard 15/16" box or open
end wrench
Sears Rotary Walk-Behind Power Mowers conform to the safety standards of the American National Standards Institute, Outdoor
Power Equipment Institute, and U.S. Consumer Product Safety Commission, as applicable.

RULES FOR SAFE USE
CAUTION:ALWAYS DISCONNECT SPARK PLUG WIRE AND PLACE WIRE WHERE
IT CANNOT CONTACT SPARK PLUG TO PREVENT ACCIDENTAL STARTING
WHEN SETTINGoUP, TRANSPORTING, ADJUSTING OR MAKING REPAIRS TO
YOUR MOWER.
IMPORTANT
FEDERAL REGULATIONS REQUIRE THE ENGINE CONTROL INSTALLED ON THIS MOWER iN ORDER TO
MiNiMIZE THE RISK OF BLADE CONTACT INJURY° DO NOT UNDER ANY CIRCUMSTANCE AT'I'EMPT TO
DEFEAT THE FUNCTION OF THE OPERATOR CONTROL.
.
,
4
6
7
8
9
10.
11.
12,
13.
14.
Please read your owner's manual.
Only allow persons who know the
safety rules to use your mower.
DO NOT tie the control bar to the han-
dle. Control must be free to permit
brake engagement when handles and
control are released.
DO NOT allow children to use your
mower.
Check your mower over before each
time you mow. Tighten any loose
baits, nuts, etc.
Remove all sticks, stones, wires, cans,
boards, etc. from area to be mowed°
These obiects can be thrown by the
blade.
DO NOT allow children, bystanders,
or pets in the mowing area.
BE CAREFUL-WHEN THE ENGINE
iS RUNNING THE BLADE IS
TURNING.
Always shut off engine before trying
to adjust wheel heights.
When engine is running, DO NOT put
hands or feet under mower or in the
discharge chute, nor make any
adjustments.
Stay clear of discharge opening at all
times.
Check gasoline before each use. Do
not fill gas tank when engine is run-
ning, when indoors or when engine is
hot. Allow engine to cool for several
minutes before filling gas tank. Clean
off any spilled gasoline before starting
engine.
Mow only in good light.
Wear only solid shoes when mowing.
DO NOT operate mower when
barefoot, or wearing open sandals.
Disengage drive control on power
propelled mowers before starting
engine.
15. DO NOT use a damaged mower.
Always have damage repaired
before mowing.
16. Always stop engine when not cutting
grass or when crossing gravel drive,
sidewalk_ or roadway.
17. Never pull mower towards you,
always follow mower to cut grass.
18. Never use your mower without pro-
per guards or deflectors in place.
t9. Always mow across a slope or inclin-
ed area. DO NOT mow up or down
a slope or inclined area_
20. DO NOT mow in wet grass. DO NOT
run with the mower.
21. DO NOT run your mower indoors.
Exhaust gases are deadly poison.
22. DRAIN THE GASOLINE tank before
transporting your mower inside your
car or other vehicle.
23. DO NOT run your mower if it vibrates
too much. Stop engine and make
repairs. Vibration is an indication of
damage.
24. DO NOT change the engine gover-
nor settings to over-speed the
engine--damage or injury can result.
25. If a grass catcher is used on your
mower, check the catcher often for
damage or deterioration. Through
normal use it will wear. Use only
recommended replacement catcher.
Always stop engine to remove
catcher.
26. DO NOT store your mower or
gasoline where fumes may reach an
open flame and cause a fire.
27. Always wear safety glasses or eye
shields before starting your lawn
mower and while mowing.
4

Theoperation of any fawn mower can resutt in foreign objects thrown into the
eyes, which can result in severe eye damage. Always wear safety glasses or eye
shields before starting your lawn mower and while mowing. We recommend Wide
Vision Safety Mask for over the'spectacles or standard safety glasses, available
at Sears Retail or Catalog Stores.
ACCESSORIESTO HELPYOU GETTHEMOSTFROMYOUR MOWER
MOWER COVER: Sears Tyvek®cover, stock number 71 33316, protects mower from weather when stored outdoors.
Available through Sears catalog.
GAS CAN: A new gas can keeps rust and dirt out of fuel system for longer engine life and improved performance. Craft-
sman gas cans have built in filters to keep impurities out of your engine and are available in Permanex ® polyethylene
with lifetime warranty and strong terneplate steel.
CLIPPING DEFLECTOR: Converts rear bagging mowers to side discharge to disperse safely and evenly, stock number
71 33303 available in most retail stores, through catalog, Sears Central Service and parts desks.
HIGH WHEEL KIT: A pair of 12-inch rear wheels improves handling on soft, spongy lawns and uneven terrain. NOTE:
If the ?13372 ! High Wheel Kit is purchased as an accessory, the cutting height range will be reduced to five (5) different
positions; from 1 1t2" to 3 1/2". Available through catalog and Sears Central Service and Parts desks.
THESE ACCESSORI ES WERE AVAILABLE AT MOST SEARS STORES AND THROUGH THE CATALOG AT TH E TIME
THIS MANUAL WAS PRINTED.
IMPORTANTTIPSTO HELPYOUR LAWN MOWERSTARTFASTER,RUN AND PERFORMBETTER
1. USE UNLEADED GASOLINE: It burns cleaner and leaves less residue in the engine. Regular gasoline can also be
used. DO NOT use PREMIUM GASOLINE.
2. DRAIN OR RUN-OUT ALL GASOLINE FROM TANK AT THE END OF THE SEASON: DO NOT leave gasoline
in your mower when stored for long periods. It will "GUM" your engine. Run engine until the gasoline runs out.
3. START EACH MOWING SEASON WITH FRESH GASOLINE: DO NOT keep gasoline in your can. If your gasoline
can is starting to rust, replace can.
4. CHANGE YOUR SPARK PLUG EVERY SPRING: An old corroded spark plug prevents fast starting and smooth
running engine.
5. REPLACE YOUR AIR CLEANER OR FILTER OFTEN: Dirt, afong with heat can harm your engine, the cleaner or
filter will clog up, preventing clean air from reaching your engine. See "Air Cleaner/Filter" section of this manual
for replacing air cleaner or filter.
6. USE SAE 30W OIL: DO NOT use SAE !0W40 oil.
7. CHANGE OIL AS RECOMMENDED: IMPORTANT - change oil after the first two (2) hours of use, then every 25
hours of use.
8. REPLACE THE BLADE WHEN NEEDED: You can sharpen the blade, but we do not recommend it. Erosion from
hitting foreign objects can damage the blade. Replace blade with one specifically designed for your mower.
9. AT THE END OF THE SEASON, CLEAN YOUR MOWER: IMPORTANT - first disconnect the spark plug wire_ If
possible, store your mower in a well ventilated area and protected from moisture.
]0. FOLLOW THE MAINTENANCE SUGGESTIONS IN YOUR OWNERS MANUAL: Read your manual and keep
it in a convenient place for easy reference.
S

Your lawn mower has been completely assembled at the _'actory, except for the grass catcher. To set-up and a#ach grass
catcher, follow the steps under "GRASS CATCHER".
The following parts are included not assembled:
I Grass Catcher Top
1 Grass Catcher Bottom
1 Hardware Package
HOW TO SET-UPYOURMOWER
TO UNFOLDHANDLE
I. Raise the handles until the lower handle is in upright
position (See Fig. 2).
NOTE: The lower handle automatically locks into upright
position when raised from shipping position.
2. Raise the upper handte into posifion on the Iower han-
die and tighten the two (2) handle knobs.
3. The handle can be mounted in high or low position
to suit the comfort of the user. The handles are ship-
ped mounted in the high position.
4. If the handle feels too high for you:
a. Remove the (2) screws, (2) bushings (1) bolt and
Iocknut holding the trim plate and rope guide to
Iower handle. Keep for re-assembly (See Fig. 4).
b. Remove the handle knobs and bolts from upper
and lower handle.
c. Remove the springs from mounting pins (See Fig.
3).
d. Remove Iocknuts and bolts from handle brackets
and remove handle levers (See Fig. 3).
e. Turnhandle over, position handle levers in place
(seeFig.4).
f. Reinstall bolts and Iocknuts (See Fig. 3).
Put handle back an mounting pins (See Fig. 3).
iPut upper handle on lower handle using handle
bolts and knobs previously removed.
i. Put trim plate and rope guide back on lower
handle, removed in (a) above. Install the two (2)
screws (2) bushings, (!) bolt, tighten (2) screws
and (I) tocknut (See Fig. 4).
j. Snap cable clip over cable and lower handle
(See Fig. I).
4. To fold handle for storage, press the handle levers
and move handle forward (See Fig. 3).
5. Press the handle levers and handle will automatical-
ly lock into mowing position.
6. To fold handle for storage, press the handle levers
and move handle forward (Fig. 3).
CAUTION: WHEN FOLDING HANDLE FOR
TRANSPORTING OR STORAGE, BE SURE TO FOLD
HANDLE AS SHOWN IN FIG. 5. IF YOU FOLD
HANDLE THE WRONG WAY, YOU MAY BEND
THE CONTROL CABLES.
UPRGHT HANDLE __ -\
STORAGE POSiTiON k ,_
AND REMOVING t
GRASS :ATCH ER ._'
-<I
\
MOWING /
POSITION \, ,,
FIG. 2
SQUEEZE T_ -HANDL[: LFVER
HANDLE \ ' SPRING
ROPE
HANDLE
BRACKET
FIG. 3
I_!f WASHER HEAD
MACtfllNE SCREW
IMPLATE
LOCKNUT
BUSHING
SELF TAPPING
-L[. SCREW
FIG. 4
TO ADJUSTHEIGHTOF CUT
NOTE: The wheels are set in a low cutposition for ship-
ment, and should be adjusted for the cuttingheight desired
before use. NOTICE: Lowering wheels raises the height
of cut.

HOWTOsrr-uPYOURMOWER(co 'D)
TO ADJUSTHEIGHTOF CUT (CONT'D)
CAUTION: DO NOT change the height of cut with the
engine running.
I. The wheel adjusters give you seven (7) different cut-
ting positions. Medium cutis the best for most lawns.
2. High cutis approximately 4"_ medium cut is approx-
imately 2 1/2" and low cut isapproximately 1 3/8".
There are four (4) other positions. Pick the position
which suits you for best cutting (See Fig. 6).
3. Thewheel adjusters on your lawn mower can be easily
adjusted as shown in Fig, 7. To change the height of
cut, squeeze adjuster lever toward the wheel, mov-
ing up or down to selected height. Be sure at! wheels
are in the same setting (See Fig. 6).
4. When cutting in heavy or moistgrass, the rear of the
lawn mower may be raised one settinghigher to allow
better discharge of the grass.
NOTE: If the 71 33721 High Wheel Kit ispurchased as
an accessory, the cutting height range wil! be reduced to
five (5) different positions; from 1 I/2" to 3 I/2".
REARDEFLECTOR
The rear deflector, attached between the rear wheels of
your lawn mower, was assembled at the factory and re-
quires no assembly.
TO ASSEMBLEGRASSCATCHER
NOTE: The grass catcher for your mower is suppfied
unassembled. To assembleyour grass catcher follow steps
below.
SCREWS ACTUAL SIZE
1/4-20 x 3/4"
SCREW
I. Position top haft of catcher on the bottom haft (See
Fig. e).
2. Insert 1/4-20 x3/4 truss head screw through right
front hole of catcher; insta!l I/4 nut on screw and
leave loose (See Fig. 8).
3. Insert a1/4-20 x 3/4 screw through left front hole of
catcher" install 1/4 nut on screw and leave loose.
4. Tighten screwsinstalled in steps2& 3. Use amedium
phillips screwdriver to tighten the screws while
holding the Iocknuts with adjustable or7/16"" wrench.
5. Instafl six more 1/4-20 x 3/4 screws, proceeding
around the catcher; leave loose.
6. Use amedium phillips screwdriver to tighten the re-
maining screws while holding the Iocknuts with ad-
,t wr
justable or 7/16 ench.
NOTE: Check all screwsand nutsto be sure they are tight.
\
FIG. 7
CATCHER TOP
X
!/4-20 x 3/4"
TRUSS HEAD
SCREW
CATCHER BOTTOM
START HERE 1/4 - 20 KEPS NUTS
FIG. 8

HOW TO SET-UPYOURMOWER(CONT'D)
TO ATTACHGRASSCATCHER
1.Li_ rear door.
2. Holding the catcher by the handle, place catcher
frame onto hinge bracket (Fig. 9).
3. Release rear door.
4. When grass catcher is removed from the mower, the
rear door closes For safety.
NOTE: YOUR REAR BAGGER MOWER IS NOT A
MULCHING MOWER. DO NOT OPERATE "fOUR
MOWER WITHOUT AN APPROVED GRASS CAT-
CHER OR OPTIONAL CLIPPING DEFLECTOR IN
PLACE.
NEVER A TTEMPT TO OPERA TE THE MO WER WITH
THE DOOR REMOVED OR PROPPED OPEN.
TO EMPTYGRASSCATCHER
1.Lift grass catcher, by grasping the handle on top of
grass catcher and on the rear of catcher (See Fig. 10).
2. To empty the grass clippings, shake the catcher, with
the open end over or into suitable container for
disposal (See Fig. 10).
BEFORESTARTING[NGIHE
1. Remove engine oil cap with dipstick and Fill to the
"FULL" line on the dipstick, using about 1 pint of
Sears 30W oil or equivalent. SAE 30W oil can also
be used (See Fig. 11). DO NOTuse SAE 10W40 oit.
The total oil capacity of your engine is 21 oz. rill only
to the "FULL'line on the dipstick. DO NOT over fill. The
first fill on a new engine use about I pint. Check oil level
and add as required to bring to proper level.
2. Pour oil slowly, DO NOT over f!tl.
NOTE: On a new engine some oil may be left in the
engine, as each engine is run for operational checks
before shipping.
3. AFTER THE FIRST TWO (2) HOURS OF MOWING
CHANGE THE OIL. See "To Change Oil" section
under maintenance.
Use only oil with automotive classifications SF, SE, SD
or 5C markings on oil container.
{ca ega oho oinget a o o et anor) canatt act
moisture which leads to separation and formation of acids
during storage. Acidic gas can damage the fuel system
of an engine while in storage.
To avoid engine problems, the fuel system shouldbe emp-
tied before storage far 30 days or longer. Drain the gas
tank, start the engine and let it run until the fuel lines and
carburetor are empty. Use fresh fuel next season. See
Storage Instructions for additional information.
HINGE BRACKET
FIG, 9
FIG. I0
GASOLINE FILLER CAP ,ER
ENGINE OIL CAP W/DIPSTICK
FIG. II
ENGINE CONTROL LEVER _ ....
FIG. 12

BEFORESTARTINGENGINE(CONT'D)
Never use engine or carburetor cleaner products in the
fuel tank or permanent damage may occur.
4. Fill the gasoline tank with about one and one half (I
1/2) quarts of fresh, clean unleaded automotive
gasoline. Regular leaded gasoline can also be used
(See Fig. 1t).
DO NOT use old or stale gasoline which has been kept
from one season to another; starting problems can result.
BE SURE YOUR GASOLINE CAN IS CLEAN AND 1
FREE OF RUST AND DIRT. 1
REPLACE YOUR CAN IF IT HAS STARTED TO RUST.
HOWTOUSEYOURMOWER
IMPORTANT
ENGINECONTROL
CONTROL BAR,
CON1ROL
TO ENGAGE
DR \,'E CONTROL
_,_ "'_-- ZO'\ E EN GtN E
DRIVE CONTROL
DISENGAGED
FIG. 13
CONTROL BAR X \\
CAUTION: THE BLADE TURNS WHEN THE ENGINE
IS RUNNING.
YOUR MOWER t5 EQUIPPED WITH AN OPERATOR
ZONE ENGINE CONTROL WHICH REQUIRES THE
OPERATOR TO BE POSITIONED BEHIND THE
MOWER HANDLE TO START AND OPERATE THE
MOWER.
THE CONTROL BAR MUST BE DEPRESSED TO THE
HANDLE TO STARTAND RUN THE ENGINE, RELEAS-
ING THE CONTROL BAR WILL STOP THE ENGINE.
AN INTERNAL ENGINE BRAKE ASSISTS THE BLADE
IN 5 TOPPING Q UICKL Y.
WHEN THE OPERATOR LEAVES THE NORMAL
MO WING POSITION TO REMOVE THE GRASS CA 7"-
CHER, CHANGE THE CUTTING HEIGHT, PICK UP
STICKS OR OTHER OBJECTS IN THE MOWING PATH,
THE ENGINE WILL AUTOMATICALLY STOP WHEN
THE CONTROL BAR t5 RELEASED.
CAUTION: FEDERAL REGULATIONS REQUIRE THE
ENGINE CONTROL INSTALLED ON THIS MOWER IN
ORDER TO MINIMIZE THE RISK OF BLADE CONTACT
INJURY. DO NOT UNDER A N Y CIRCUMSTANCE A T-
TEMPT TO DEFEAT THE FUNCTION OF THE
OPERATOR CONTROL.
ENGINECONTROL
The engine speed is controlled by alever (red knob)
located on right side of engine, tt has "HIGH" and
"'LOW" positions. "'HIGH" position isfor starting engine,
heavy cutting and better grass bagging. "LOW" posi-
tion is for light cutting, trimming and fuel economy (See
Fig. I2).
TO STARTENGINE
THE CONTROL BAR MUST BE DEPRESSED TO THE
HANDLE TO START AND RUN THE ENGINE.
NOTE: Thecarburetor has a fixed fuel mixture and has
a primer to assist starting.
1. Check oil level; check gasoline tank for gasoline; and
make sure spark plu_l wire is attached.
ZONEI ENGIN_
CONTROL
RELEASED
ENGINE STOP
FIG. 14 L
DEPRESSED
START. RUN
g
FIG. 15
2. Pushlever forwarcl to"HIGH" position (See Fig. 12).
3. When starting a cold engine, push the primer five (5)
times before pulling starter rope. Use firm pushes
when pushing primer, wait several seconds between
each push {See Fig. 12).
4. Repeat step 3 above as required.
NOTE: In cooler weather the need to repeat priming pro-
cedures may be necessary, when weather is warmer over
priming may result in flooding.
If you do flood engine wait a few minutes before
repeating priming procedures.
It is not necessary to usethe primer to start warm engine.
5. Position yourseff as shown in Fig. 15.
6. Pull on starter handle quickly.
7. DO NOT allow starter rope to snap back.
8. To stop the engine, release the contro! bar (See Fig.
14).

BlOWTOUSEYOURMOWER(€ONT'D)
IF ENGINEDOESNOTSTART
1. Check blade - remove spark plug wire when checking
blade. If blade is loose, see "BLADE AND BLADE
FLANGE CARE" of manual for instructionson tighten-
ing blade.
2. Check air filter -replace if clogged. See "Air Filter"
section.
3. Check spark plug -if dirty, clean or replace.
4 Observe that lower end of the engine control cable
is actuating the lever mounted on the engine.
5. Engine may be flooded -wait afew minutes and
repeat starting procedure.
NOTE: If then your engine will not start, contact your
nearest Sears Service Department for help.
ZONE/ENGINECONTROL
Your mower isequipped with a zone/engine control at-
tached and requires no adjustments (See Fig. 13).
DRIVE CONTROL
The power-propelling forward motion is controlled by
pulling the control bar down to handle and pushing the
drive control lever forward until itclicks,then release the
lever (See Fig. 73).
Forward motion will stop when the control bar isreleased.
To stop forward motion without stopping the engine,
release the control bar slightly unti/the drive control
disengages. Depress control bar to handle to continue
mowing without self-propelling.
To turn corners, you may prefer to keep the drive control
engaged, and push down on the handle, lifting the front
wheels off the ground and turning mower.
POWER-PROPEIKEDDRIVE
I. Your power-propelled drive is accomplished by a belt
drive from the engine crankshaft to aworm gear case.
2. The drive belt is spring-loaded at the gear case to
maintain proper belt tension. Keep the area around
the gear case clear of trash by removing drive cover
and cleaning (See Fig. t6 and 7_.
3. The gear case is lubricated with multi-purpose
automotive grease. DO NOT USE ANY OTHER type
grease or oil in the gear case. See "GEAR CASE"
under "Maintenancet'.
4. Check your mower, each time you mow, to be sure
that the front wheels turn freely. /f wheels DO NOT
turn freely, remove any trash which may have gotten
into the wheel, pinion, or bearing areas.
5. If at any time, the drive belt is replaced, use only fac=
tory specified belt t,_ get longer life and maximum
performance.
EVeS
J"
F!G. 16
.]AM NUT "D" JAM NUT "C"
\
ARM
BRACKET ROTATE
FIG. 17
BLOCK OF WOOD
FLANGE
FIG. 18
I0