Craftsman Complete Guide to 31C707 Valve Adjustment and Briggs 31C707 Service Manual

Page 52

 

 

 

TRACTOR

 

- - MODEL

NUMBER

917.272673

 

 

 

 

 

BRIGGS ENGINE-MODEL

NUMBER 31C707, TYPE NUMBER 0230-E1

 

 

 

KEY

PART

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO.

NO.

 

DESCRIPTION

 

 

 

KEY

 

PART

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

697174

 

Cylinder

Assembly

 

NO,

 

NO.

 

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

399265

 

Kit-Bushing/Seal

(Magneto Side)

118

 

697492

 

Jet-Main (High Altitude)

 

3

391086

 

Seal-Oil (Magnelo Side)

121

 

697241

 

 

 

 

 

Kit-Carburetor Overhaul

 

4

697106

 

Sump-Engine

 

 

 

125

 

697190

 

Carburetor

 

 

 

 

5

698147

 

Head-Cylinder

 

 

 

127

 

695005

 

Plug-Welch

 

 

 

7

692410

•+

Gasket-Cylinder Head

130

 

691750

 

Valve-Throttle

 

 

 

9

697109

 

Gasket-Breather

 

 

131

 

494379

 

Kit-Throttle

Shaft

 

10

697157

 

Screw

(Breather

Assembly)

133

 

494381

 

Float-Carburetor

 

 

11

697113

 

Tube-Breather

 

 

 

137

 

281165

 

Gasket-Float

Bowl

 

12

697110

 

Gasket-Crankcase

 

141

 

495097

 

Kit-Choke

Shaft (Manual

Choke)

13

690360

 

Screw

(Cylinder

Head)

141A

495931

 

Kit-Choke

Shaft (Choke

A Matic)

15

690946

 

Plug-Oil

Drain

 

 

 

142

 

697140

 

Q Nozzle-Carburetor

 

16

697127

 

Crankshaft

 

 

 

146

 

691639

 

Key-Timing

 

 

 

20

690947

 

Seal-Oil (PTO Side)

186

 

692317

 

Connector-Hose

 

 

22

692125

 

Screw

(Crankcase

Cover/Sump)

187

 

691050

 

Line-Fuel

(Cut to Required

23

693557

 

Flywheel

 

 

 

 

 

 

 

Length)

 

 

 

 

 

24

222698

 

Key-Flywheel

 

 

 

188

 

691693

 

 

 

 

 

 

 

 

 

 

 

 

Screw (Control

Bracket)

 

25

697159

 

Piston

Assembly

(Standard)

192

 

691986

 

Adjuster-Rocker

Arm

 

 

697160

 

Piston

Assembly

(.010" Oversize)

202

 

691841

 

Link-Mechanical

Governor

 

697162

 

Piston

Assembly

(.020" Oversize)

209

 

692208

 

Spring-Governor

 

 

 

697163

 

Piston

Assembly

(.030" Oversize)

216

 

691840

 

Link-Choke

 

 

 

26

697164

 

Ring Set (Standard)

222

 

694042

 

Bracket-Control

 

 

 

697165

 

Ring

Set (.010" Oversize)

227

 

691374

 

Lever-Governor

Control

 

 

697171

 

Ring

Set (.020" Oversize)

231

 

691636

 

Screw

(Choke Valve)

 

 

697172

 

Ring

Set (.030" Oversize)

232

 

691842

 

Spring-Governor

 

 

27

697100

 

Lock-Piston Pin

 

 

238

 

691843

 

Cap-Valve

 

 

 

 

28

697099

 

Pin-Piston

 

 

 

240

 

394358

 

Filter-Fuel

 

 

 

 

29

697126

 

Rod-Connecting

(Standard)

265

 

691024

 

Clamp-Casing

 

 

 

32

692852

 

Screw

(Connecting

Rod)

267

 

695134

Screw

(Casing

Clamp)

 

33

495856

 

Valve-Exhaust

 

 

 

276

 

692255

Ot Washer-Sealing

 

 

34

495857

 

Valve-Intake

 

 

 

304

 

698402

Housing-Blower

 

 

35

691279

 

Spring-Valve

(Intake)

305

 

697102

Screw

(Blower

Housing)

 

36

691279

 

Spring-Valve

(Exhaust)

305A

697103

Screw

(Blower

Housing)

 

37

697352

 

Guard-Flywheel

 

 

306

 

697107

Shield-Cylinder

 

 

40

691752

 

Retainer-Valve

 

 

307

 

691003

Screw

(Cylinder

Shield)

 

43

691968

 

Slinger-Governor/Oil

309

 

693551

Motor-Starter

 

 

 

45

690564

 

Tappet-Valve

 

 

 

309A

........

 

Motor-Starter

(For Replacement

46

697687

 

Camshaft

 

 

 

 

 

 

 

Starter

Motor,

 

 

48

697761

 

Short Block (31C707-0230-E2

 

 

 

 

 

 

 

 

 

 

 

See Reference

309)

 

 

 

 

Replacement

Engine-art

310

 

690323

 

 

 

 

 

Bolt (Starter

Motor)

 

50

690193

 

not available)

 

 

 

311

 

497608

Brush

Set

 

 

 

.Q$+

Manifold-Intake

 

 

311A

395538

Brush

Set

 

 

 

51

692137

Gasket-Intake

 

 

 

333

 

492341

Armature-Magneto

 

53

690227

 

Stud (Carburetor)

 

334

 

691061

Screw

(Magneto Armature)

54

691148

 

Screw

(Intake

Manifold)

337

 

491055

Plug-Spark

 

 

 

73

697384

 

Screen-Rotating

 

 

358

 

697191

Gasket

Set-Engine

 

74

697987

 

Screw

 

(Rotating

Screen)

363

 

19203

 

Flywheel

Puller

 

 

75

690582

 

Washer

(Flywheel)

 

 

 

 

 

 

 

 

 

 

 

78

691003

 

Screw

 

(Flywheel

Guard)

RPM Settings:Low Speed: 1900-2100

 

93

690602

O Bushing-Throttle Shaft

 

 

 

 

 

HighSpeed: 3000-3200

94

498030

 

Kit-Idle

Mixture

 

 

 

 

 

 

 

 

 

 

 

 

95

691636

 

Screw

 

(Throttle

Valve)

_

Includedin EngineGasket Set, Key.No. 358

98

495800

 

Kit-Idle

Speed

 

 

104

690525

tD Pin-Float Hinge

 

 

 

Included in Carburetor Overhaul Kit, Key. No. 121

 

 

:_

Included in Carburetor Gasket Set, Key.No. 977

105

231855

Q Valve-Float Needle

+ Included in Valve Gasket Set, Key. No. 1095

106

690577

Q

Seat-Inlet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

108

690464

 

Valve-Choke

(Manual Choke)

NOTE: All component dimensions given in U.S. inches

108A

692344

 

Valve-Choke

(Choke A Matic)

 

1 inch = 25.4

mm

 

 

 

 

 

117

694352

Q Jet-Main (Standard)

 

 

 

 

 

 

 

 

 

 

52

Image 52
Contents ICRAFT, MnN ,I Limited Warranty on Craftsman Riding Equipment Limited Warranty on BatteryWash hands after handling II. Slope OperationDo not IV. ServiceIII. Children Product Specifications 1stIstomer Responsibilities Sears Installation ServiceRepair Protection Agreements Keys SeatVideo Cassette Tools Required for Assembly Install SeatTo Remove Tractor from Before Removing Tractor from Skid Attach Steering WheelCheck Battery Lift seat pan to raised positionInstall Mulcher Plate To Convert to Bagging or DischargingCheck for Proper Position of ALL Belts Check BrakesystemResult in death, serious injury and/or property damage Know Your Tractor PlungerHOW to USE Your Tractor StoppingEngine To USE Throttle ControlBefore Starting the Engine To Operate on HillsTo Transport Towing Carts and Other ATTACH- MentsTo Start Engine Mowing Tips Mulching Mowing TipsLubrication Chart General RecommendationsBefore Each USE PivotsBattery Brake OperationOperator Presence System Blade CareTransaxle Cooling BeltsEngine Lubrication AIR FilterCleaning MufflerSpark Plugs IN-LINE Fuel FilterTractor To Install MowerTo Remove Mower To Level Mower Housing SIDE-TO-SIDE AdjustmentTo Replace Mower Blade Drive Belt Belt RemovalTo Replace Motion Drive Belt Transaxle Gear Shift Lever NEU- Tral Adjustment To Adjust Steering Wheel ALIGN- MentFront Wheel TOE-IN/CAMBER To Start Engine with a Weak BATReplacing Battery Do not short batteryTo Replace Headlight Bulb To Remove Hood and Grill AS- SemblyTo Adjustthrottle Control Cable To Adjust CarburetorPreliminary Setting Final SettingBattery TractorFuel System Engine OILProblem Weak or dead batteryCause CorrectionTroubleshooting Chart Loss of power Excessive vibrationFaulty operator-safety presence control system Poor cut unevenProblemcause Tractor -- Model Number Schematic WhiteTractor - Model Electrical74760412 Bolt Hex Hd 1/4-20 Unc x 3/4 Electrical175688 Tractor - Model Number 917.272673 Chassis and Enclosures Chassis-Laser-It.stlt27Chassis and Enclosures Hood/DashTractor - Model Number Ground Drive 197Tractor - Model Number Ground Drive Tractor - Model Number 139768 6266H30 STD561210 40 7810H 41 100711L Insert, Steering Wheel8113 Tractor -- Model NumberArrester Tractor - Model Number 917.272673 Seat Assembly 16-18 Unc 17000616 Screw 16 x 1-1/2 STD541431 Nut 19131614Tractor - Model Number Decals Wheels &TIRES122365X Button, Plunger, Red Tractor - Model Number Lift AssemblyLink, Lift, L.H 156 151 Tractor -- Model Number Mower Deck142 Mower Deck 139888Deflector Unc x883 706A 790079 780086ABearing 5/8 792073A 778309227 524 842€ 12662o,0 1266 95e 93I634 1266A O 1005 3101917.272673 Tractor Model NumberBriggs ENGINE-MODEL Number 31C707, Type Number 0230-E1 Briggs ENGINE-MODEL Number 31C707,TYPE Number 0230-E1Page Suggested Guide for Sighting Slopes for Safe Operation SE/ARS

917272673 specifications

The Craftsman 917272673 is a powerful and versatile lawn tractor designed for homeowners seeking a reliable solution for lawn maintenance. This robust machine combines functionality with innovative technology, making it an essential addition to any garden or yard.

One of the standout features of the Craftsman 917272673 is its potent engine. Powered by a reliable 24 HP V-Twin Kohler engine, it delivers the necessary torque and power to handle various cutting conditions. This engine ensures efficient performance, whether you're tackling tall grass or dealing with uneven terrain. The hydrostatic transmission also enhances ease of use, allowing for smooth acceleration and seamless transitions between speeds without the need for manual gear shifts.

The design of the Craftsman 917272673 promotes user comfort and support. The adjustable high-back seat provides ample support during lengthy mowing sessions, ensuring that users remain comfortable while navigating their lawns. Additionally, the ergonomic steering wheel and easy-access controls simplify the driving experience, allowing for precise maneuverability around obstacles like flower beds and trees.

The cutting deck is another remarkable feature of this lawn tractor. With a 46-inch cutting width, users can cover significant ground efficiently. The deck’s dual-blade system not only enhances cutting performance but also provides a clean and even cut. The cutting height can be easily adjusted through six different positions, allowing for personalized lawn care that caters to various grass types and growth heights.

Furthermore, the Craftsman 917272673 includes technological advancements such as a reinforced steel frame, making it durable enough to withstand regular use and the wear and tear of outdoor conditions. The tractor is also equipped with a built-in mulching capability, enabling users to finely chop grass clippings and return them to the soil, promoting healthy grass growth while minimizing waste.

Maintenance is simplified with features like an easy-access oil filter and engine access, which makes routine checks and servicing hassle-free. This commitment to user-friendly maintenance ensures that the Craftsman 917272673 remains in peak condition for many mowing seasons.

With its combination of power, comfort, and advanced technologies, the Craftsman 917272673 is a top choice for homeowners looking for an effective lawn care solution that blends performance with convenience. Whether you own a small yard or a larger landscape, this lawn tractor is poised to meet diverse mowing needs efficiently.