DeWalt DW168F Manual de usuario
DW168F, DW177F, DW188F
Engines
SHOP MANUAL INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA
DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO ANTES
DE USAR EL PRODUCTO.
If you have questions or comments, contact us.
Pour toute question ou tout commentaire, nous contacter.
Si tiene dudas o comentarios, contáctenos.
1-800-4-De
2
Contents
SERVICE
SAFETY INFORMATION ...................................................................................... 3
DEFINITIONS: SAFETY GUIDELINES ............................................................... 3
SERVICE INFORMATION .................................................................................... 3
SERIAL NUMBER ................................................................................................ 3
SPECIFICATIONS......................................................................................................... 4-6
DIMENSIONAL DRAWINGS......................................................................................... 7-9
P.T.O. DIMENSIONAL DRAWINGS............................................................................... 10
WIRING DIAGRAMS...................................................................................................... 11
MAINTENANCE STANDARDS.................................................................................12-13
TORQUE TABLE ............................................................................................................ 13
MAINTENANCE
MAINTENANCE CHART .................................................................................... 14
CLEANING AIR FLITER ELEMENT................................................................... 14
OIL .............................................................................................................. 14
SPARK PLUG ..................................................................................................... 15
SPARK ARRESTER ........................................................................................... 15
VALVE CLEARANCE.......................................................................................... 15
FUEL SYSTEM................................................................................................... 16
HIGH ALTITUDE OPERATION SERVICE .......................................................... 16
TROUBLESHOOTING
ENGINE .............................................................................................................. 17
STARTER/BATTERY........................................................................................... 19
COMPRESSION................................................................................................. 20
PERFORM TEST CHECKS
SPEED/GOVERNOR ADJUSTMENT................................................................. 21
IGNITION TEST.................................................................................................. 21
OIL ALERT TEST ............................................................................................... 21
START MECHANISM.......................................................................................... 21
COMPRESSION TEST....................................................................................... 22
BREAKDOWNS
AIR FILTER......................................................................................................... 23
AIR CLEANER.................................................................................................... 24
MUFFLER...................................................................................................... 25-27
RECOIL STARTER ............................................................................................. 28
ASSEMBLY .................................................................................................. 29
INSPECTION ............................................................................................... 30
CARBURETOR.............................................................................................. 31-33
CLEANING................................................................................................... 34
GAS TANK .......................................................................................................... 35
GOVERNOR LINKAGE....................................................................................... 36
GOVERNOR ....................................................................................................... 37
FLYWHEEL IGNITION........................................................................................ 38
ADJUSTMENT............................................................................................. 39
INSPECTION ............................................................................................... 39
STARTER MOTOR ..................................................................................................... 40
STARTER SOLENOID ........................................................................................ 41
BRUSH LENGTH................................................................................................ 41
ARMATURE ........................................................................................................ 41
BRUSHES - CONTINUITY CHECK.................................................................... 41
OVERRUNNING CLUTCH.................................................................................. 41
CYLINDER HEAD VALVES
6.5 HORSEPOWER............................................................................................ 42
9 AND 13 HORSEPOWER................................................................................. 43
INSPECTION ..........................................................................................44-46
GOVERNOR/LOW OIL SHUT-OFF ............................................................................ 47
COMPRESSION RELIEF ................................................................................... 48
INSPECTION...................................................................................................... 48
PISTON .............................................................................................................. 49
INSPECTION................................................................................................. 50-52
3
seRVICe
The definitions below describe the level of severity for each signal word. Please read
the manual and pay attention to these symbols.
DANGER: Indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
NOTICE: Indicates a practice not related to personal injury which, if not avoided,
may result in property damage.
DANGER: If the service being performed requires the engine to be running operate it
only outside in clean, dry, well-ventilated areas. Exhaust from the gasoline engine contains
deadly carbon monoxide, which is odorless and toxic.
WARNING: Risk of explosion.
Spilled gasoline and it’s vapors can become ignited
from sparks from smoking products, electrical arcing, exhaust, flame, gases and hot engine
components such as the muffler.
Wipe any fuel spillage from engine.
WARNING: The engine exhaust from this product contains chemicals known to the
State of California to cause cancer, birth defects or other reproductive harm. Wash
hands after handling.
WARNING: Risk of unsafe operation. Always wear gloves and c
ertified safety equipment:
ANSI Z87.1 eye protection (CAN/CSA Z94.3) with side shields.
WARNING: Stop engine and remove the spark plug wire before servicing.
WARNING: Hot surfaces. Risk of burn. Engine (especially the muffler) and surrounding
parts are very hot, do not touch. Allow engine to cool before servicing.
WARNING:If protective covers must be removed during servicing
keep away from moving
parts and wires.
• Alwaysuseidenticalreplacementparts.
• Use tools designed for small engine repair, using incorrect tools could damage the
engine.
• Replaceallgaskets,O-rings,etc.whenreassembling.
• Cleanallparts innon flammablesolvent. Lubricate anyslidingsurfacesbefore reas-
sembly.
Theengineserialnumberisneededwhenorderingpartsandmakinginquiries.
SERIAL
NUMBER
y e a r
m o n t h e n g i n e n u m b e r
m o d e l
n u m b e r
4
speCIfICatIons
APPLICATION GENERATOR
MODEL DW168F-2F DW177FD-F DW188FD-F
TYPE SingleCylinder,4Stroke,OHV,SparkIgnition,AirCooled
MAX. HORSEPOWER * 6.5 hp 9 hp 13 hp
TOTAL DISPLACEMENT 196 cc 270 cc 389 cc
BORE AND STROKE 68 x 54 mm 77 x 58 mm 88 x 64 mm
RATED SPEED 3600 rpm 3600rpm 3600 rpm
MAX NO LOAD SPEED 3750 rpm. 3750 rpm. 3750 rpm.
IDLE SPEED no idle control 2750 rpm. 2,750 rpm.
DRY WEIGHT 30.9lbs.(14kg) 57.6lbs.(26.15kg) 68.3lbs.(31kg)
DIMENSIONS (L X W X H) IN (mm)15.2x13.1x10.4(385x335x265) 17.3x16.5x12.2(440x420x310) 16.1x19.3x12.8(410x490x325)
MOUNTING FLANGE Flange A per SAE J609a Flange B per SAE J609a Flange B per SAE J609a
COMPRESSION RATIO 8.5 to 1 8.2 to 1 8.2 to 1
IGNITION SYSTEM Transistorized Magneto Ignition Transistorized Magneto Ignition Transistorized Magneto Ignition
SPARK PLUG NGK(BP6ES,BPR6ES) NGK(BP6ES,BPR6ES) NGK(BP6ES,BPR6ES)
CARBURETOR Float type, adjustable idle speed Float type with a fuel-shutoff solenoid,
Adjustable idle speed Float type with a fuel-shutoff solenoid,
Adjustable idle speed
AIR CLEANER StandardSemi-dry(foam),sidemount StandardSemi-dry(foam),sidemount StandardSemi-dry(foam),sidemount
LUBRICATING SYSTEM Splash Splash Splash
OIL CAPACITY 0.55qt.(520mL) 1.06qt.(1000mL) 1.11qt.(1100mL)
STARTING SYSTEM Recoil,2o’clockposition 18VElectricmotorandRecoil2o’clock
position 18 V Electric motor and Recoil 2 o’clock
position
STOPPING SYSTEM Ignition primary circuit ground Ignition primary circuit ground Ignition primary circuit ground
FUEL USED Regulargasoline(86octane) Regulargasoline(86octane) Regulargasoline(86octane)
P.T.O. SHAFT ROTATION Counterclockwise(fromP.T.O.side) Counterclockwise(fromP.T.O.side) Counterclockwise(fromP.T.O.side)
CRANKSHAFT PTO Ext. #5 per SAE J609a
(2.25"taperperfoot)
Ext.#6perSAEJ609a(2.25"taperperfoot)
GOVERNOR Mechanical, centrifugal flyweight type, 60 Hz fixed speed
FUEL LINE Low permeation, per SAE J1737 at 40º C or higher
FUEL FILTER Eitheringastankorinfuelline(earliermodels)
ON/OFF SWITCH Without Without Without
*Grosshorsepower(HP).Thishorsepowerratingrepresentsthemaximumoutputunderlaboratoryconditionsat3600RPMinaccordancewithSAE(SocietyofAutomotiveEngineers)
J1995 and should be used for comparison purposes only. Actual engine output will be lower and will vary depending on the application, speed and other variables including altitude
and temperature.
5
APPLICATION PRESSURE WASHERS
MODEL DW168F-2H DW177F-H DW188F-H
TYPE SingleCylinder,4Stroke,OHV,SparkIgnition,AirCooled
MAX. HORSEPOWER* 6.5 hp 9 hp 13 hp
TOTAL DISPLACEMENT 196 cc 270 cc 389 cc
BORE AND STROKE 68 x 54 mm 77 x 58 mm 88 x 64 mm
RATED SPEED 3400 rpm 3400 rpm 3600 rpm
MAX NO LOAD SPEED 3700 rpm 3700 rpm 3800 rpm
IDLE SPEED no idle control 2750 rpm 2750 rpm
DRY WEIGHT 37.5lbs.(17kg) 57.3lbs.(26kg) 70.5lbs.(32kg)
DIMENSIONS (L X W X H) IN (mm)15.7x13.0x13.4(400x330x340) 16.9x15.6x16.1(430x395x410) 18.7x17.3x17.1(475x440x435)
MOUNTING FLANGE Flange A per SAE J609a Flange B per SAE J609a Flange B per SAE J609a
COMPRESSION RATIO 8.5 to 1 8.2 to 1 8.2 to 1
IGNITION SYSTEM Transistorized Magneto Ignition Transistorized Magneto Ignition Transistorized Magneto Ignition
SPARK PLUG NGK(BP6ES,BPR6ES) NGK(BP6ES,BPR6ES) NGK(BP6ES,BPR6ES)
CARBURETOR Float type, adjustable idle speed Float type, adjustable idle speed Float type, adjustable idle speed
AIR CLEANER Standard Semi-dry (foam+paper), high
mount StandardSemi-dry(foam+paper),highmount StandardSemi-dry(foam+paper),highmount
LUBRICATING SYSTEM Splash Splash Splash
OIL CAPACITY 0.55qt.(520mL) 1.06qt(1000mL) 1.11qt(1100mL)
STARTING SYSTEM Recoil,10o'clockposition Recoil,10o'clockposition Recoil,10o'clockposition/Electricstart
STOPPING SYSTEM Ignition primary circuit ground Ignition primary circuit ground Ignition primary circuit ground
FUEL USED Regulargasoline(86octane,upto10%ethanol)
FUEL TANK CAPACITY 0.95gal(3.6L) 1.56gal(5.9L) 1.93gal(7.3L)
P.T.O. SHAFT ROTATION Counterclockwise(fromP.T.O.side) Counterclockwise(fromP.T.O.side) Counterclockwise(fromP.T.O.side)
CRANKSHAFT PTO Ext.#3perSAEJ609a(3/4"keywayPTO) Ext.#4perSAEJ609a(1"keywayPTO) Ext.#4perSAEJ609a(1"keywayPTO)
GOVERNOR Mechanical, centrifugal flyweight type, variable speed
FUEL LINE Low permeation, per SAE J1737 at 40º C or higher
FUEL FILTER Ingastankonly
ON/OFF SWITCH Equippedonrecoilbase Equippedonrecoilbase Equippedonrecoilbase
*Grosshorsepower(HP).Thishorsepowerratingrepresentsthemaximumoutputunderlaboratoryconditionsat3600RPMinaccordancewithSAE(SocietyofAutomotiveEngineers)
J1995 and should be used for comparison purposes only. Actual engine output will be lower and will vary depending on the application, speed and other variables including altitude
and temperature.
6
APPLICATION COMPRESSOR
MODEL DW168F-2E DW177FD-E
TYPE SingleCylinder,4Stroke,OHV,SparkIgnition,AirCooled
MAX. HORSEPOWER* 6.5 hp 9 hp
TOTAL DISPLACEMENT 196 cc 270 cc
BORE AND STROKE 68 x 54 mm 77 x 58 mm
RATED SPEED 3400 rpm 3400 rpm
MAX NO LOAD SPEED 3600 rpm 3600 rpm
IDLE SPEED 2400 rpm 2400 rpm
DRY WEIGHT 33lbs.(15kg) 57.3lbs.(26kg)
DIMENSIONS (L X W X H) IN (mm)15.7x13.0x13.4(400x330x340) 16.9x15.6x16.1(430x395x410)
MOUNTING FLANGE Flange A per SAE J609a Flange B per SAE J609a
COMPRESSION RATIO 8.5 to 1 8.2 to 1
IGNITION SYSTEM Transistorized Magneto Ignition Transistorized Magneto Ignition
SPARK PLUG NGK(BP6ES,BPR6ES) NGK(BP6ES,BPR6ES)
CARBURETOR Float type, adjustable idle speed Float type, adjustable idle speed
AIR CLEANER StandardSemi-dry(foam+paper),highmount StandardSemi-dry(foam+paper),highmount
LUBRICATING SYSTEM Splash Splash
OIL CAPACITY .507qt(480mL) 1.06qt(1000mL)
STARTING SYSTEM Recoil,10o'clockposition 18 V Electric motor and
recoilstarter10o'clockposition
STOPPING SYSTEM Ignition primary circuit ground Ignition primary circuit ground
FUEL USED Regulargasoline(86octane,upto10%ethanol)
FUEL TANK CAPACITY 0.95gal(3.6L) 1.56gal(5.9L)
P.T.O. SHAFT ROTATION Counterclockwise(fromP.T.O.side) Counterclockwise(fromP.T.O.side)
CRANKSHAFT PTO Ext.#3perSAEJ609a(3/4"keywayPTO) Ext.#4perSAEJ609a(1"keywayPTO)
GOVERNOR Mechanical, centrifugal flyweight type, variable speed
FUEL LINE Low permeation, per SAE J1737 at 40º C or higher
FUEL FILTER Ingastankonly
ON/OFF SWITCH Equippedonrecoilbase Equippedonrecoilbase
*Grosshorsepower(HP).Thishorsepowerratingrepresentsthemaximumoutputunderlaboratoryconditionsat3600RPMinaccordancewithSAE
(SocietyofAutomotiveEngineers)J1995andshouldbeusedforcomparisonpurposesonly.Actualengineoutputwillbelowerandwillvarydepending
on the application, speed and other variables including altitude and temperature.
7
8
9
10
NOTE: All dimensions in mm unless noted otherwise
6.5 HP
9-13 HP
6.5 HP
.313-24
19.02
9-13 HP
25.4
.313-24
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