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Sears 917.257070 Owner's Manual
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Sears 917.257070 Owner's Manual

Sears 917.257070 Owner's Manual

18 h.p twin hydro garden tractor
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~?'?&~
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I
Sears
I
MODEL NO.
917.257070
OWNER'S
MANUAL
D®
Dao[po
lJWO[ill
DaY!LID~®
®ill~LIDrn[ill
ll~ill~ll®~
Assembly
Operation
Maintenance
Repair Parts
Sears, Roebuck and
Co.,
Chicago, Ill. 60684,
U.S.A.
and Simpsons Sears Limited,
Toronto, Canada
.....

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Summary of Contents for Sears 917.257070

  • Page 1 Sears MODEL NO. 917.257070 ~?'?&~ ___, OWNER'S MANUAL DaY!LID~® D® Dao[po lJWO[ill ®ill~LIDrn[ill ll~ill~ll®~ Assembly Operation Maintenance Repair Parts Sears, Roebuck and Co., Chicago, Ill. 60684, U.S.A. and Simpsons Sears Limited, Toronto, Canada ..
  • Page 2 CONGRATULA ONS on your purchase of a Sears 18 H.P. Twin Hydro Garden Tractor. It has been designed, engineered and manufactured to give you dependability and performance. Should you experience any problem you cannot easily remedy, please contact your nearest Sears, Roebuck and Co.
  • Page 3 Garden Tractor proves defective in material or workmanship 1nd will hold a charge, Sears will replace the battery, charging 1/12th of t price of t he new battery for each full month from the date purchase.
  • Page 4 To assemble and adj ust your Tractor you will need: two 7/16", one 9/16" one 3/4 " Wrenches. SAFETY AWAY VIEW ASSEMBLY VENT CAP Remove Shipping Wires, Battery, Steering Wheel and Bag of Parts BATT TU BE .Filling and charging Battery (before installing): NOTE: SEE...
  • Page 5 1nstall Steering Wheel using: Flat Washer, Lockwasher, and Bolt assembled of Steering Shaft; Woodruff STEERING--~ Key, and Steering Wheel Insert found in of Parts. WHEEL a. Remove Hex Bolt, Lockwasher and Flat Washer from INSERT Steering Shaft (Fig. 6). Insert Woodruff Key in Keyway Steering Shaft and slide Steering Wheel over Shaft and...
  • Page 6 INITIAL SERVICE NOTE: BE EXTREMELY CAREFUL NOT TO LLOW D OR FOREIGN PART ICLES ENTER HYDRAULI SYSTEM OR ENGINE WHEN CHECKING ADDING HYDRAULIC FLU OR FUEL. Check Engine Level with Tractor on level ground Wipe dipstick (Fig. clean, push tight secf?nds, move and read...
  • Page 7 Push Clutch-Brake Pedal into "BRAKE" position (Fig. 14). BRAKE DRIVE CLUTCH-BRAKE Move Throttle Control Lever to middle position (Fig. 15). PEDAL Pull Choke out (Fig. 15). Turn Ignition Key to "START" position until Engine starts (Fig. 15). Release key into "ON"...
  • Page 8 STARTING YOUR TRACTOR TRANSPORTING YOUR TRACTOR WITH A LOW BATTERY TOWING IS NOT RECOMMENDED. with any hydraulic power transmission, internal damage can result when vehicle your Battery is too low to start the engine, it should recharged. If "Jumper Cables" are used for emergency starting is towed.
  • Page 9 TRACTOR MOVEM ENT WITH ROTTLE CONTROL IN M DDLE POSIT ION , AND A LWAYS REPLACE WITH SEARS ENGIN V -BELTS. ILL D IPSTI CHANGE ENGINE OIL Changing Oil after the first two hours will help eliminate break-in residue which might be damaging to your Engine.
  • Page 10 Pressure Lubricating Grease Amdex grease appears. This grease may be obtained by orderir Part No. 2557 R through your nearest Sears repair parts d partment. 3.0IL PIVOT POINTS Place several drops of S.A. E. 30 Oil points where move...
  • Page 11 TI® EVERY HOURS ~,.-------WING 1.CHECK HYDROSTATIC TRANSMISSION FLUID LEVEL NOTE: Be careful not to allow dirt to enter Hydraulic System when checking Fluid Level. a. Engine must be running and Drive Control Lever AIR FILTER neutral position with Tractor on level ground.
  • Page 12 EVERvTI[OOJ HOURS CLEAN SPARK PLUGS ND RESET Wire brush carbon deposits from Spark Plug Electrodes and reset gap at .025 inch. (Fig. 28). Replace Spark Plugs if they show signs of foulin!l or electrode erosion. 2.CH ECK BREAKER POI Replace Points if they are pitted or burned.
  • Page 13 4.PARK BRAKE ADJUSTMENT the Parking Brake will not hold tractor, Parking Brake adjustment is necessary. Remove Cotter Clevis Pin from Yoke (Fig. 32). b. Turn Yoke one full turn clockwise on Parking Brake Rod. Replace Yoke Brake Arm and secure with Clevis Pin.
  • Page 14 (Fig. LUG NUTS ·· Block up front axle securely or use a Sears Tractor Jack. Rear wheels should also be blocked prevent roll. ·· Remove Hex Bolt and Dust Cap. ·· Remove Nut, Wear Washer, Pin...
  • Page 15 Refer to page By-Pass Valve open fluid, refer to bottom of page 8. Hydrostatic Transmission Fluid very low Sears, Roebuck and Co. Simpsons·Sears Ltd., Canada re· serves the right to make changes in design or improve· ments without imposing...
  • Page 16 REPAIR PARTS SEARS 18TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 MAIN FRAME, DASHBOARD AND GRILL ,... {,),' ~-49 ,.[i" l;/'1((@)~~3/- ·-"" 'Ia o 23 24 v7· F-73 22---!: "-~21 - - - : · ~ ·u 2& • "f ·-- ~-- ·---...
  • Page 17 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 MAIN FRAME, DASHBOARD GRILL PART DESCRIPTION PART DESCRIPTION 283J Decal- "Hydrodrive" 634A957 Engine, Onan 18 H.P. Twin Cylinder 284J Decal • Model Model No. B48M-GA018/3475A 8028R Decal · Maintenance 106J...
  • Page 18 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 SEAT AND STEERING " @63 @21 ® ®s1 ®23 ® 175 180@58 ~66@ ®59 ®59 ·...
  • Page 19 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 SEAT AND STEERING PART DESCRIPTION PART DESCRIPTION 641J Steering Wheel Insert 2693R Fuel Tank 372J Decal • Sears 7293R Fuel Gauge STD523710 *Hex Bolt · 16 x 1 815R Fuel Line Fitting...
  • Page 20 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 e---3 ®---9 2\~8 21 A ·--· :~~22 PA RT DESCR IPTION D581 075 *E·Ring 1528P Washer 13/16 x 1 1/4 x 14 Bearing 1309H 634A521 Front Axle w/Bearings (Inc. Key No.3)
  • Page 21 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 CLUTCH r::: ---- .._- C--- - - - PAH·r '"'r!:-C: RIUTIOI\! Dl-~.t.HIPTION PAHT k.E-( 1-JO. 11)20P Wu.h!l 4691.0 1/d x 11 2505P Cotter Pin 1 x 3/4 Flat Idler (he.
  • Page 22 REPAIR PARTS 917~257070 SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. SCHEMATIC DIAGRAM BATTERY ~----------------------~~'1~----------------------~ STARTER NEUTRAL SAFE FUSE RECTIFIER 30AMP. CHARGING COIL CAPACITOR COIL PRI. POINTS SEC. PLUG PLUG SERVICE HOUR ,..----a METER HEADLIGHT AMP. HEADLIGHT POSITION RCUIT TAILLIGHT NONE I'~\ B·R·I·A...
  • Page 23 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 a:::$:J i·· A J V (II) (IJ) ([I) - 5 4 a:::Il CI:l)46 a:::IJ46 CI:D PART DESCRIPTION PART DESCRIPTION 2753R Battery Cable · Ground 6452R Headlight STD601003 *Phillips Pan Hd. Thd. Cutting Screw...
  • Page 24 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR --MODE L NO. 917.25707 ... HYDROSTATIC AXLE, PUMP AND MOTOR ---=- =· -< ~/16 "'._~. • ·- 36 ~.r-~--~:.: -.,. <2...
  • Page 25 PAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR··MODEL 917.257070 HYDROSTATIC AXLE, PUMP AND MOTOR PART DESCR IPT ION PART DESCRIPTION 634A640 Parking Brake Handle Weldment 5999H Spring Washer 634A652 Pump Pulley with Set Screw 5133R Suction Line 634A655 Hydrostatic Motor...
  • Page 26 REPAIR PARTS SEARS TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 AXLE ASSEMBLY · ·...
  • Page 27 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 AXLE ASSEMBLY PART DESCRIPTION 7164R Diff. Case 2&4 7165R Diff. Gear (Set of Two) 3&5 7169R Diff. Gear Thrust Washer (Set of Two) 7166R Diff. Pinion Mate (Set of Two) 6&8...
  • Page 28 REPAIR PARTS SEARS TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 -26-...
  • Page 29 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 HYDROSTATIC PUMP ASSEMBLY PART DESCRIPTION 1, 2 3 AND4 Check Valve Kit 7223R 7224R Hex Head Cap Screw 7273R Pipe Plug "o" 7226R Ring 7227R Headless Str. Pin End Cap...
  • Page 30 ~--------~~=-~==============================~~====~~~====--~~~--~~--~--~ REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 HYDROSTATIC MOTOR ASSEMBLY ~-.~ PART DESCRIPTION PART DESCRIPTION 7272R End Cap 7262R Retaining Ring Accelerator Valve Assembly 7263R Ball Bearing 7271 R 7279R Head Screw 7264R Motor Case Accelerator Spring Hd.
  • Page 31 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 ONAN ENGINE--MODEL NO. B48M-GA018/3475A FUEL SYSTEM GROUP ~22. PART DESCRIPTION PART DESCRIPTION 865-0020 Wing Nut (1 /4 · 20) 142-0568 Carburetor 140-1168 Air Cleaner Cover 123-0865 Filter 140-1259 Cleaner Wrapper...
  • Page 32 REPAIR PARTS SEARS 18TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 ONAN ENGINE--MODEL B48M-GA018/3475A r------10 CARBURETORPARTSGROUP "' 11 : /-<::· ..' - ....-· ..PART DESCRIPTION PART DESCRIPTION 142-0574 *Spring Body 142-0282 142-0573 Body 142-0545 *Spring 142-0534 *Throttle Shaft...
  • Page 33 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 ONAN ENGINE--MODEL NO. B48M-GA018/3475A BLOWER HOUSING AND GOVERNOR GROUP ~®...1~11 • 1,): ·~~Q ·::;: ~~:.4 ~..~-· :5i!i!iE ·:=: ' · ······· · · · · ..·. ··.
  • Page 34 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 ONAN ENGINE--MODEL B48M-GA018/3475A. CYLINDER BLOCK GROUP , - - 3 0 ---- ~.,. 26 ..r=-42 ·~-24 ~~--26 20.~ 1..,. ~\,_15...
  • Page 35 PAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 17.257070 ONAN ENGINE--MODEL NO. B48M-GA018/3475A CYLINDER BLOCK GROUP PART DESCRIPTION PART DESCRIPTION 110-2590 Cylinder Block Assembly 123-1175 Reed *Plug 517-0048 123·1173 Baffle 800-0051 *Cap Screw (3/8 · 16 x 1 · 1/4")
  • Page 36 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 91:7.257070 ONAN ENG INE--MODEL NO. B48M-GA018/3475A STARTER GROUP ® 'TP?~~i;) ~--1~1=>-P@ PART DESCRIPTION PART DESCRIPTION 191-0933 Starting Motor, Complete 191-1038 Washer Screw (5/16 1"1 800-0028 191-1039 Armature Lockwasher (5/16") *+Spring 850-0045 &...
  • Page 37 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL NO. 917.257070 ONAN ENGINE--MODEL NO. B48M-GA018/3475A OIL SYSTEM GROUP PART PART DESCRIPTION DESCRIPTION 800-0028 Cap Screw (5/16 - 18 x 120-0491 Pump (Components Not Sold Pipe Plug Separetely) 505-0057 120-0161 Pump Gasket...
  • Page 38 REPAIR PARTS SEARS 18TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 ONAN ENGINE-·MODEL NO. B48M-GA018/3475A PISTON. ROD, CAMSHAFT, CRANKSHAFT AND FLYWHEEL GROUP PART DESCRIPTION PART DESCRIPTION 150-0078 Retaining Ring 112-0122 Piston Pin 150-1519 518-0311 Retaining Ring 150-1520 RING SET, PISTON 510-0015 Flyball 113-0189...
  • Page 39 REPAIR PARTS SEARS 18 TWIN HYDRO GARDEN TRACTOR--MODEL 917.257070 ONAN ENGINE--MODEL NO. B48M-GA018/3475A GEAR CASE, CHARGING STATOR, BREAKER BOX AND IGNITION GROUP PART DESCRIPTION PART DESCR IPTION 103-0498 Coil Clamp Gearcase Assembly (Inc. Parts Marked 503-0311 510·0105 xBearing 812-0108 +*Machine Screw, Round Head (No.
  • Page 40 Sears Repair Parts Distribution Center "expedited handling". SEARS SERVICE Your Sears merchand ise takes on added value when you dis- cover the Sears Service Units throughout country. Each is staffed Sears-trained, professional technicians using Sears approved parts and methods.