Craftsman 917387380 Owner’s Manual

Owner's Manual
®
6.0 HORSEPOWER 20" REAR DISCHARGE
ROTARY LAWN MOWER
Model No.
917.387380
o Safety o Assembly o Operation
" Maintenance
EspaSo_ Repair Parts
CAUTaON:
Read and follow all Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179
Warranty 2 Product Specifications 11 Safety Rules 2 Service and Adjustments 13
Assembly 4 Storage 14 Operation 6 Troubleshooting 15
Maintenance Schedule 10 Repair Parts 32 Maintenance 10 Parts Ordering Back Cover
LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER For two years from date of purchase, when this Craftsman Lawn Mower is maintained,
lubricated, and tuned up according to the operating and maintenance instructions in the
owner's manual, Sears will repair free of charge any defect in material or workmanship.
If this Craftsman Lawn Mower is used for commercial or rental purposes, this warranty applies for only 90 days from the date of purchase°
This Warranty does not cover: o Expendable items which become worn during normal use, such as rotary mower
blades, blade adapters, belts, air cleaners and spark plug.
o Repairs necessary because of operator abuse or negligence, including bent crank-
shafts and the failure to maintain the equipment according to the instructions con- tained in the owner's manual_
Warranty service is available by returning the Craftsman power mower to the nearest
Sears Service Center/Department in the United States. This warranty applies only while
this product is in use in the United States. This Warranty gives you specific legat rights, and you may also have other fights which
vary from state to state. SEARS, ROEBUCK AND CO., D/817 WA, HOFFMAN ESTATES, ILLINOIS 60179
TRAINING:
o Read this operator's manual carefully.
Become familiar with the controls and know how to operate your mower
properly. Learn how to quickly stop
mower,
Do not allow children to use your mower. Never allow adults to use mower without
proper instructions.
= Keep the area of operation clear of all
persons, especially small children and pets°
. Use mower only as the manufacturer
intended and as described in this manual.
Do not operate mower ifit has been dropped or damaged in any manner. Always have damage repaired before
using your mower.
Do not use accessory attachments that are not recommended by the manufac-
turer. Use of such attachments may be
hazardous.
o The blade turns when the engine is
running.
PREPARATION:
Always thoroughly check the area to be mowed and clear it of all stones, sticks,
wires, bones, and other foreign objects. These objects will be thrown by the blade
and can cause severe injury.
Always wear safety glasses or eye shields when starting and while using
your mower.
Dress properly° Do not operate mower
when barefoot or wearing open sandals. Wear only solid shoes with good traction
when mowing.
o Check fuel tank before starting engine°
Do not fitl gas tank indoors, when the engine is running or when the engine is
2
hot.Allowtheengineto coolforseveral minutesbeforefillingthe gastank.Clean offanyspilledgasolinebeforestartingthe
engine.
o Alwaysmakewheelheightadjustments
beforestartingyourmower.Never attempttodothiswhiletheengineis
running.
Mowonlyindaylightorgoodartificial light°
OPERATION:
Keepyoureyesandmindonyourmower andtheareabeingcut.Donotletother
interestsdistractyour
° Donotmowwetorslipperygrass°Never
runwhileoperatingyourmower,Always besureofyourfooting-- keepa firm
holdonthehandlesandwalko
o Donotputhandsor feetnearorunder
rotatingparts.Keepclearofthe discharge openingatall times.
Alwaysstoptheenginewheneveryou leaveorarenotusing yourmower,or
beforecrossingdriveways,walks,roads, andanygravel--coveredareas.
o Never direct discharge of material toward
bystanders nor allow anyone near the mower while you are operating it.
Before cleaning, inspecting, or repairing
your mower, stop the engine and make
absolutely sure the blade and all moving parts have stopped. Then disconnect the
spark plug wire and keep it away from the spark plug to prevent accidental starting.
Do not continue to run your mower if you hit a foreign object. Follow the procedure
outlined above, then repair any damage before restarting and operating you
mower.
- Do not change the governor settings or overspeed the engine. Engine damage or
personal injury may resulL
- Do not operate your mower if it vibrates abnormally. Excessive vibration is an
indication of damage; stop the engine, safely check for the cause of vibration
and repair as required.
Do not run the engine indoors_ Exhaust fumes are dangerous.
Never cut grass by pulling the mower towards you. Mow across the face of
slopes, never up and down or you might lose your footing° De not mow exces-
sively steep slopes. Use caution when operating the mower on uneven terrain
or when changing directions -- maintain good footing.
o Never operate your mower without
proper guards, plates, grass catcher or other safety devices in place.
MAINTENANCE AND STORAGE:
Check the blade and the engine mount- ing bolts often to be sure they are
tightened properly.
o Check all bolts, nuts and screws at
frequent intervals for proper tightness to
be sure mower is in safe working
condition.
Keep all safety devices in place and
working.
To reduce fire hazard, keep the engine
free of grass, leaves or excessive grease
and oil.
Check grass catcher often for deteriora-
tion and wear and replace worn bags.
Use only replacement bags that are recommended by and comply with specifications of the manufacturer of your mower°
Always keep a sharp blade on your mower.
- Allow engine to cool before storing in any enclosure.
o Never store mower with fuel in the tank
inside a building where fumes may reach an open flame or an ignition source such as a hot water heater, space heater,
clothes dryer, etc_
CAUTION: Always disconnect spark plug wire and place wire where it
cannot contact spark plug in order to
prevent accidental starting when setting up, transporting, adjusting or making repairs.
WARNING The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth defects, or other reproductive harm°
Theseaccessorieswereavailablewhenthis lawnmowerwasproduced,Theyare also
availableatmostSearsretailoutletsand servicecenters.MostSearsstorescanalso
LAWNMOWERPERFORMANCE
order repair parts for you, when you provide the model number of your lawn mower.
Some of these accessories may not apply
to your lawn mower_
CLIPPING DEFLECTOR
FOR REAR,D!SCHARGE LAWN MOWERS
GRASS CATCHERS
FOR
REAR D1SCHARGE
LAWN MOWERS
, J,iJ,
LAWN MOWER MAINTENANCE
r , Illll '",,',
MUFFLERS
BELTS
BLADES
,,,i,,,
BLADE ADAPTERS WHEELS
IMPORTANT: This cutting machine is
capable of amputating hands and feet and throwing objects. Failure to observe the
following safety instructions could result in
serious injury or death, Safety standards require operator pres-
ence controls to minimize the risk of injury. Your unit is equipped with such controls.
Do not attempt to defeat the function of the operator presence controls under any
circumstances.
Read these instructions and this manual in its entirety before you attempt to assemble
or operate your new lawn mower. Your new lawn mower has been assembled at the
factory with the exception of those parts left unassembled for shipping purposes. All
parts such as nuts, washers, bolts, etc., necessary to complete the assembly have
been placed in the parts bag_ To ensure safe and proper operation of your lawn
mower, all parts and hardware you as-
MULCHER KITS
i HIHH,,, , ,I,
SiDE DISCHARGE
GRASS CATCHERS
LAWN MOWERS
AIRFIg,g,R,S ........
FOR
STABILIZER
GASCANS
SPARK PLUGS
ENGINE OIL
i Hll,i
w
semble must be tightened securely. Use the correct tools as necessary to ensure proper
tightness. TO REMOVE LAWN MOWER FROM
CARTON o Remove loose parts included with
mower_
Cut down two end corners of carton and lay end panel down flato
o Remove all packing materials except
padding between upper and lower handle and padding holding operator
presence control barto upper handle,,
o Roll lawn mower out of carton and
check carton thoroughly for additional loose parts,,
HOW TO SET UP YOUR LAWN MOWER
TO UNFOLD HANDLE
IMPORTANT: Unfold handles carefully so
as not to pinch or damage control cables°
° Raise handles until lower handle section
locks into place in mowing position.
= Remove protective padding, raise upper
handle section into place on lower handles and tighten both handle knobs,
- Remove handle padding holding operator presence control bar to upper
handle.
. Your lawn mower handle can be
adjusted for your mowing comfort. Refer to "Adjust Handle" in the Service and Adjustment section of this manual,
Operator presence control bar
Upper handle
Lift up
TO INSTALL ATTACHMENTS Your lawn mower was shipped ready to be
used as a mulcher, To convert to bagging or discharging:
o Open rear door and remove mulcher
plug. Store mulcher plug in a safe place.
You can now install catcher or optional clipping deflector,
o To return to mulching operation, install
mulcher plug into discharge opening of
mower.
Mulcher plug _'_U__
CAUTION: Do not run your lawn mower without mulcher plug in place or approved clipping deflector or grass catcher in
place. Never attempt to operate the lawn mower with the rear door removed or
propped open.
Lower handle
Mowing
position
KNOW YOUR LAWN MOWER READ THIS OWNER'S MANUALAND SAFETY RULES BEFORE OPERATING YOUR LAWN
MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the Iocat__stments. Savethismanual for future reference.
These symbols may appear on your lawn mower or in literature supplied with the
product. Learn and understand their meaning,
CAUTION ENGINE ENGINE FAST SLOW CHOKE
OR WARNING ON OFF
Operator presence control bar
Handle
Grass catcher
FUEL
Engine zone control cable
OIL DANGER, KEEP HANDS
AND FEET AWAY
Engine oil cap
with dipstick
Mulcher plug
Gasoline filler cap
Primer Lawn mower housing
Wheel adjuster
(on each wheel)
MEETS CPSC SAFETY REQUIREMENTS Sears rotary walk-behind power lawn mowers conform to the safety standards ofthe Amedcan
National Standards Instituteand the U.S,,Consumer Product Safety Commission° The blade
turns when the engineis running, .......................................................................................
Operator Presence Control Bar- must be held down to the handle to start the engine,
Release to stop the engine. Primer - pumps additional fuel from the
Starter Handle - used for starting the engine_ Niulcher Plug - located atthe discharge
opening must be removed when converting to bagging or discharging operation_
carburetor to the cylinder for use when starting a cold engine.
Theoperationofanylawnmowercan resultin foreignobjectsthrownintotheeyes,whichcan
resultinsevereeyedamage,Alwayswear safetyglassesoreyeshieldswhileoperating
yourlawnmowerorperforminganyadjust- mentsorrepairs.Werecommendawide
visionsafetymaskoverthespectaclesor standardsafetyglasses.
HOWTO USEYOUR LAWNMOWER ENGINESPEEDCONTROl
Theenginespeed wassetatthe factory foroptimumperformance.Speedisnot
adjustable.
ENGINEZONE CONTROL CAUTION; Federalregulationsrequire
anenginecontrolto beinstalledonthis lawnmowerin orderto minimizethe risk
ofbladecontactinjury,,Do notunderany
circumstancesattemptto defeatthe functionoftheoperatorcontrol.Theblade turnswhen theengineis running.
Your lawn mower is equipped with an operator presence control bar which
requires the operator to be positioned behind the lawn mower handle to start and
operate the lawn mower°
TO ADJUST CUTTING HEIGHT o Raise wheels for low cut and lower wheels
for high cut.
- Adjust cutting height to suit your require- ments. Medium position is best for most
lawns.
° To change cutting height, squeeze adjuster
lever toward wheel. Move wheel up or down to suit your requirements. Be sure all wheels
are in the same setting.
NOTE: Adjuster is properly positioned when plate tab inserts into hole in lever.Also, g-
position adjusters (if so equipped) allow lever
to be positioned between the plate tabs.
TO ATTACH GRASS CATCHER o Close the fliplid. Flip lid must be closed
while operating lawn mower.
o Lift the reardoor on the mower housing and
place the grass catcher frame onto the formed tabs on the rear door hinge bracket.
. The grass catcher is secured to the lawn
mower housing when the rear door is lowered onto the grass catcher frame,
CAUTION: Do not nJnyour lawn mower without clipping deflector or approved grass
catcher in place. Never attempt to operate the
lawn mower withthe rear door removed or
propped open.
Hinge
bracket
Formed
tabs
TO EMPTY GRASS CATCHER
° To remove grass catcher, release operator
presence control bar to stop engine.
o Lift up rear door and remove the grass
catcher by the handle.
NOTE: Do not drag the bag when emptying; itwill cause unnecessary wear.
Grass catcher frame
Lower Wheels for High Cut
Raise Wheels for Low Cut
Plate Tab
Lever
7
BEFORE STARTING ENGINE OIL Your lawn mower is shipped without oil in the
engine.
Be sure mower is level and area around oil
fill is clean.
° Remove engine oil cap w/dipstick and fill to
the full line on the dipstick.
° Use 20 ozs. of oil. For type and grade of oit
to use, see "ENGINE" in Customer
Responsibilities section of this manual
o Pouroil slowly. Do not overfill. ° Check oil level before each use° Add oil if
needed_ Fill to full line on dipstick.
To read proper level, tighten engine oil cap
each time°
= Reinstall engine oil cap and tighten.
Change the oil after every 25 hours of
operation or each season° You may need to change the oil more often under dusty,
dirty conditions.
GAS
o Fill fuel tank. Use fresh, clean, regular
unleaded gasoline with a minimum of 87
octane. Do not mix oil with gasoline_
Purchase fuel in quantities that can be used
within 30 days to assure fuel freshness_
WARNING: Experience indicates that
alcohol blended fuels (called gasohol or
using ethanol or methanol) can attract
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 should be emptied before storage of 30 days or
longer° Drain the fuel tank, start the engine and let it run until fuel lines and carburetor
are empty_ Use fresh fuel next season. See Storage Instructions for additional
information° Never use engine or carbure-
tor cleaner products in fuel tank or
permanent damage may occur.
Engine oil
Gasoline filler cap
cap
TO START ENGINE o To start a cold engine, push primer five (5)
times before trying to starL Use a firm push. This step is not usually necessary when
starting an engine which has already run for
a few minutes.
o Hold operator presence control bar down to
the handle and pull starter handle quickly_
Do not allow starter rope to snap back.
° To stop engine, release operator presence
control bar.
NOTE: tn cooler weather it may be necessary to repeat priming steps. In warmer weather over priming may cause flooding and engine will not start° If you do flood engine, wait a few minutes before attempting to start and do not
repeat priming steps. MOWING TIPS
o Under certain conditions, such as very tall
grass, it may be necessary to raise the height of cut to reduce pushing effort and to
keep from overloading the engine and leaving clumps of grass clippings°
° For extremely heavy cutting, reduce the
width of cut and raise the rear of the lawn mower housing one (1) wheel adjuster
setting higher than the front for better discharge of grass.
° When using a rear discharge lawn mower in
moist, heavy grass, clumps of cut grass may not enter the grass catcher. Reduce
ground speed (pushing speed) and/or run
the lawn mower over the area a second time.
o If a trail of grass clippings is left on the right
side of a rear discharge lawn mower, mow in a clockwise direction with a small overlap
to collect the clippings on the next pass_
o Keep top of engine around starter clear and
clean of grass clippings and chaff. This will help engine air flow and extend engine lifeo
o Pores in cloth grass catchers can become
filled with dirt and dust with use and catchers wil! collect, less grass° To prevent
this, regularly hose catchers off with water and let dry before using.
Primer
MULCHING MOWING TIPS IMPORTANT: For best performance,
keep mower housing free of built-up grass and trash. Clean UNDERSIDE OF
MOWER HOUSING after each use. See "Cleaning" in CUSTOMER
RESPONSIBILITIES section of this manual.
The special mulching blade will recut the grass clippings many times and reduce
them in size so that as they fall onto the
lawn they will disperse into the grass and not be noticed. Also, the mulched grass wilf
biodegrade quickly to provide nutrients for the lawn. Always mulch with your highest engine (blade) speed as thiswill provide the
best recutting action ofthe blades.
Avoid cutting your lawn when it iswet. Wet grass tends to form clumps and interferes
with the mulching action. The best time to
mow your lawn is the early aftemoonoAt this time the grass has dried and the newly cut
area will not be exposed to the direct sun.
o For best results, adjust the lawn mower
cutting height so that the lawn mower cuts off only the top one-third of the grass blades.
Ifthe lawn isovergrown itwill be necessary
to raise the height of cut to reduce pushing
effort and to keep from overloading the engine and leaving clumps of mulched
grass. For extremely heavy mulching, reduce your width of cut, mow slowly and
raise the rearof the lawn mower one wheel adjuster setting higher than the front.
o Certain types of grass and grass conditions
may require that an area be mulched a second time to completely hide the
clippings. When doing a second cut, mow across or perpendicular to the first cut path.
Change your cutting pattern from week to week. Mow north to south one week then
change to east to west the nextweek° This will help prevent matting and graining of the
lawn.
t/3
MAINTENANCE SCHEDULE
FILL IN DATES
AS YOU COMPLETE REGULAR SERVICE
Check for Loo'se Fasteners ._
i Clean/Inspect Grass Catcher
i (tf Equipped) ..... _
M Clean Lawn Mower .... . , V _'
O Clean Under Drive Cover{Powe,r:P,topelled Mowers! ..........
Check drive belt/pulleys
E (Power-Propelled Mowers) t
,,C,heck/Sha,rpentReplace Blade i Lubrication Chart
clean Battery/Recharge {Elec!r c Start Mowers) I
E iCheck Engine Oit Leve! 6f
v'
v'
_ ...! ..,
v"
J_ v" _,'
SERVICE DATES
N Change Engine Oil
v'
!G CieanAirFiffer
: inspect Muffler
v"
i N CIean or Replace Spark Plug
E Replace Air Filter" Paper Cartridge
1 - Change mote often when operating under a heavy _oad or _ _gh ambient temperatures
2 - Se_ce mor_ often when opetaling in d}rb/or dusty conditions
3 - Replace blades mete oftarlwhen me.nO Insandy soif
_2
4-Cho,_o,_,o.,_.,.ridor,°2,°. LUB R ICATION CHART
GENERAL RECOMMENDATIONS Wheel
The warranty onthis lawn mower does not adjusters cover items that have been subjected to
operator abuse or negligence.To receive full t..._____ value from the warranty,operator must _<>_:,
maintain mower as instnJctedin this manual ._. Some adjustments wilt need to be made /
periodically to properly maintain your unit. All adjustments in the Service and Adjustments
section ofthis manual should be checked at ', /
leastonce each season. o Once a year, replace the spark plug, replace
airfilterelement and check bladefor wear. A l new spark plug and clean/new air filter | Engine oil
.........
element assures proper air-fuel mixture and (_) Rear (_) Handle bracket
helps your engine run better and last longer, door
. Follow the maintenance schedule in this hinge mounting pin
manual. (_) SPRAYLUBRICANT
BEFORE EACH USE
o Check engine oil level. (_) SAE30 MOTOROIL..REFERTO
ENGINE- CUSTOMER
o Check for loose fasteners. RESPONSIBILITIESSECTION. LUBRICATION IMPORTANT: Do not oil or grease plastic
Keep unit well lubricated (See "LUBRICATION wheel bearings. Viscous lubricants will CHART"). attract dust and dirt that will shorten the
life of the self lubricating bearings. If you
feel they must be lubricated, use only a
dry, powdered graphite type lubricant sparingly.
10
PRODUCT SPECIFICATIONS
MODEL NUMBER 917.387380 SERIAL NUMBER
DATE OF PURCHASE HORSEPOWER: 6.0 DISPLACEMENT: 11.5 CU. INo GASOLINE CAPACITY/TYPE: 1,5 QUARTS
UNLEADED REGULAR
OIL TYPE (API-SF/SG/SH): SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY: 20 OZS. SPARK PLUG(GAP: .030") CHAMPION J19LM
VALVECLEARANCE: INTAKE: ,005 - .007
EXHAUST: .007 - ,009
SOLID STATE IGNITION
AIR GAP: .010 IN.
BLADE BOLT TORQUE: 35-40 FT. LBS,
The model and serial numbers will be found on a decal attached to the rear of the lawn mower housingRecord both serial number and date of purchase in space
provided above.
LAWN MOWER
Always observe safety ruleswhen performing any maintenance.
TIRES
- Keep tires free of gasoline, oi!,or insect control chemicals which can harm rubber.
o Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may cause
tire damage.
BLADE CARE For best results, mower blade must be kept
sharp. Replace bent or damaged blades.
TO REMOVE BLADE
o Disconnect spark plug wire from spark plug
and place wire where it cannot come in contact with spark plug.
o Turn lawn mower on itsside. Make sure air
filterand carburetor are upo
o Use awood block between blade and
mower housing to prevent blade from turning when removing blade bolt.
o Protect your hands with gloves and/or wrap
blade with heavy cloth. Remove blade bolt by turning counter-
clockwise. Use a 9/16" box or open-end wrench.
Remove blade and attaching hardware (bolt, lock washer and hardened washer)_
NOTE: Remove the blade adapter and check the key inside hub of blade adapter,
The key must be in good condition to work
properly° Replace adapter if damaged.
TO REPLACE BLADE
o Position theblade adapter on the engine
crankshafL Be sure key in adapter and keyway incrankshaft are aligned.
o Position blade on the blade adapter
aligning the two (2)holes in the blade with the raised lugs on the adapter.
o Be sure the trailing edge is up toward the
engine.
o Install the blade bolt with the lockwasher
and hardened washer into blade adapter and crankshaft.
o Use block of wood between blade and
lawn mower housing and tighten the blade bolt,turning clockwise.
o The recommended tightening torque is 35-
40 ft Ibs.
IMPORTANT: Blade bolt is grade 8 heat
treated.
11
NOTE: We do not recommend sharpening
blade - but if you do, be sure the blade is balanced_
TO SHARPEN BLADE Care should be taken to keep the blade
balanced, An unbalanced blade will cause
eventual damage to lawn mower or engine,
o The blade can be sharpened with a file or
on a grinding wheel° Do not attempt to
sharpen while on the mower,
To check blade balance, drivea nail into a beam or wail Leave about one inch of the
straight nail exposed° Place center hole of blade over the head of the nail. If blade is
balanced, it should remain in a horizontal position, If either end ofthe blade moves downward, sharpen the heavy end until the
blade is balanced.
GRASS CATCHER o The grass catcher may be hosed with
water, but must be dry when used.
o Check your grass catcher often for damage
or deterioration.. Through normal use itwill wear, if catcher needs replacing, replace
only with a manufacturer approved replacement catcher, Give the lawn mower
model number when ordering.
Blade Crank shaft adaptor
10W30 etco)improvestarting in cold weather,
these multi--viscosity oils will result in
increased oilconsumption when used above
32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil,
Change the oil after every 25hours of operation
or at least once a year if the lawn mower is not
used for 25 hours inone year. Check the crankcase oil level before starting
the engine and after each five (5)hours of continuous use. Tighten oil plug securely each
time you check the oil level° TO CHANGE ENGINE OIL
NOTE: Before tipping lawn mower to drain oil,
drain fuel tank by running engine until fuel tank
is empty.
Disconnect spark plug wire from spark plug and place wire where it cannot come in
contact with spark plug.
° Remove engine oil cap; lay aside on a clean
surface,
o Tip lawn mower on its side and drain oil into
a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of
engine°
. Wipe off any spilled oil on lawn mower and
on side of engine.
° Fill engine with oil, Fill only to the "FULU' line
on the dipstick° DO NOT OVER FILL,
. Replace engine oit cap, o Reconnect spark plug wire to spark plug.
t 7 "/ \\
BoJt Crank
Lockwasher Hardened Blade shaft
washer Trailing adaptor
edge
ENGINE LUBRICATION
Use only high quality detergent oil rated with
API service classification SF,SH or SG Select the oil's SAE viscosity grade according to your
expected operating temperature_
SAE VISCOS FlY GRADES
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT _3_LCHANGE
NOTE: Although multi--viscosity oils (5W30,
/ ,,_ l_ ! . /
I rl_ ,,I _
Container
AIR FILTER Your engine will not run properly and may be
damaged by using adirty air filter. Replace the airfilter every year, more often if
you mow in very dusty, dirty conditions. TO CLEAN AtR FILTER o Loosen screw and tilt cover to remove.
o Carefully remove cartridge. o Clean by gently tapping on a flat surface. If
very dirty, replace cartridge.
CAUTION: Petroleum solvents, such as kerosene, are not to be used to clean
cartridge. They may cause deterioration of the cartridge. Do not oil cartridge, Do not use
pressurized air to clean or drycartridge.
12
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