Detailed instructions for use are in the User's Guide.
[. . . ] SEAl, S
OWNER'S MANUAL
MODEL NO. 917. 255930
®
Caution: Read and follow all Safety Rules and lnstruchons Before Operating This Equipment
, Assembly o Operation · Maintenance o Service and Adjustment · Repair Parts
Sears, Roebuck and Co. , Chicago, IL 60684 U. S. A.
SAFETY RULES
REPAIRS.
aNPORTANT
SAFETY STANDARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZETHE RISKOF INJURY. YOUR UNIT IS EQUIPPED WITH SUCH CONTROLS° DO NOT ATTEMPT TO DEFEAT THE FUNCTION OFTHE OPERATOR PRESENCE CONTROLS UNDER ANY CIRCUMSTANCES.
TRAINING: Know the controls and how to stop quickly, Read this owner's manual and instructions furnished with attachments. Do not allow children to operate the machine. [. . . ] Regulate ground speed by selecting a low enough gear to give the mower cutting performance as welt as the quality of cut desired. When operating attachments, select a ground speed that will suit the terrain and give best performance of the attachment being used.
Move attachment clutch to "DISENGAGED"
·
Pull choke control out to "CHOKE" position for cold engine start. For warm engine start do not use choke control Move throttle control to midway between "FAST" and "SLOW" positions. · Turn ignition key clockwise to "START" position and release key as soon as engine starts, Do not run starter continuously for more than fifteen seconds per minute. If engine does not start after several attempts, move throttle control to "FAST" position, wait a few minutes and try again. When engine starts, slowly push choke control in, Move throttle control to "FAST" position_ Al!ow engine to warm up for a few minutes before engaging clutch/brake pedal or attachment clutch switch.
.
. 17
NOTE: If at a high altitude (above 3000 feet) or in cold temperatures (below 32 F), the carburetor fuel mixture may need to be adjusted for best engine performance. See 'TO ADJUST CARBURETOR" in the Service and Adjustments section of this manual CAUTION: Before driving the tractor, install mower or remove front mower suspension bracket and suspension arms.
14
MAINTENANCE SCHEDULE
FILLINDATES AS YOU COMPLETE REGU_R SERV!CE Check Brake Operation Check Tire Pressure Check for Loose Fasteners
7___o_/"
/_/_-_. _. O_ . _'_. , _. #_. _ . , _'__. _:/£, _"SERVICE _, Gf 6#4 6## 6/4 . 6/ 6/ 64# 6#4 6# 4 , , , 6/ 6/ 6/#4 _O?'_ v DATES
R
T 0 R
Sharpen/Replace Mower Lubrication Chart
Blades
'
, Check BatterY Level/Recharge . . . . . . . . . . Clean Battery and Terminals Check Transmission Cooling Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension Check Engine Oil Level Change Engine Oil Clean Air Filter Clean Air Screen . . . . Inspect Muffler/SparkArrester Replace Oil Filter (if equipped)
6/
6/ j2 J2
6/ 6/2
E
N G I
NE Cfean Engine Coolir], g Fins Replace Spark Plug Replace Air Filter Paper Cartridge Reptace Fuel Filter
I _ Change mere often when operating under a heavy load or In hlgh ambient 2 - Service more often when operating in dirty or dusty conditions temperatures
v'6/
3 - If equipped with oil filter, change eli every 50 hours 4 - Replace blades more often when mowing In sandy soil
GENERAL
RECOMMENDATIONS
LUBRICATION
CHART
The warranty on this vehicle does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain unit as instructed in this manual, Some adjustments will need to be made periodically to properly maintain your unit. All adjustments in the Service and Adjustments section of this manual should be checked at least once each season, · Once a year you should replace the spark plug, clean or replace air filter, and check blades and belts for wear, A new spark plug and dean air fiiter assure proper air4uef mixture and help your engine run better and last longer.
@ STEERING SECTOR GEAR PLATE
(_TIE RODBALLJOINTS (, _)SPINDLE ZERK------_/__ (_ FRONTWHEEL _'__, :-_'::_:L;_" _-SPINDLE ZERK(_) FRONTWHEEL (_)
ENGINE (_)
BEFORE
· · · ·
EACH USE
Check engine oil level. Check brake operation, Check tire pressure. Check for loose fasteners.
(_) CHECIqADD . , . TRANSAXLE FLUID
IMPORTANT: DO NOT OIL OR GREASE THE PIVOT POENTS WHICH HAVE SPECIAL NYLON BEARING& VISCOUS LUBRICANTS WILL 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
(_) SAE 30 MOTOR OIL API - SG (_) GENERAL PURPOSE GREASE SECTION
(_) REFER TO ENGINE MAINTENANCE SPRAY SILICONE LUBRICANT
(MOVE BOOTS TO LUBRICATE)
15
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TRACTOR
Always observe safety rules when performing any maintenance,
TO SHARPEN
BLADE
(See Fig. 19)
Care should be taken to keep the blade balanced An unbalanced blade will cause excessive vibration and eventual damage to mower and engine. · The blade can be sharpened with a file or on a gdnding wheel Do not attempt to sharpen while on the mower, To check blade balance, drive a nailinto a beam or wall, 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 of the blade moves downward, sharpen the heavy end until the blade is balanced,
CENTER HOLE
BRAKE OPERATION
If unit requires more than six (6) feet stopping distance at high s_eed in highest gear, than brake must be adjusted (See TO ADJUST BRAKE in Service and Adjustments section of this manual). * , Maintain proper airpressure in all tires (See "PRODUCT SPECIFICATIONS" on page 3 of this manual), Keep tires free of gasoline, oiI, or insect control chemicals which can harm rubber. Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage.
. I
BLADE
O
BLADE CARE
For best results mower blades must be kept sharp_ The blades can be sharpened with a file or on agrinding wheel. [. . . ] 42 43 44 45 47 48 49 50 51 52 53 54 55 56 57 58 59 60 6t 62 63 64 65 66 68 71 73 74 76 77 78 --110237X 105434X 105436X 105441X 3146R 106381X STD541050 74760622 105435X 3720R 12000039 19171612 105440X 105458X 105460X 105461X 105459X 73680500 120135X 19111016 109785X 106734X 109743X 106735X 110452X 73680800 19171512 72240608 110884X 19131614 121352X 106224X 12t343X 3713J
DESCRIPTION Spacer Brace, Suspension Parallel Link Bracket, Suspension Spring, Retainer V-Belt *Nut 1/2_13 Bolt, Hex 3/8_16 x 1-3/8 Pin, Release Spring Kfip, Ring Washer 17/32xl x12Gauge Pin, Clevis Bracket, Outer, RJ--L Bracket, Inner, R. H. Nut, Crownlock 5/16-18 Spacer Washer 11/32 x 5/8 x t6 Gauge Shield, Deflector Spring, Deflector Bracket, Deflector Rod, Hinge Nut, Push Nut, Crownlock 1/2. 13 Washer 17/32 x 15/16 x 12 Gauge Bolt, Carriage 3/8-16 x 1 V-Belt Washer 13/32 x 1 x 14 Gauge Keeper, Belt Decal, V-Belt Drive Schematic Decal, Danger Decal, Rotating Blades LOCALLY
*STANDARD
HARDWARE--PURCHASE
NOTE'. 1 inch = 25. 4 mm
A
B
C
D
E
F
G
H
I
@36
@35®29
60
41
REPAIR PARTS
18 HP 44" RIDING
TRANSAXLE
LAWN TRACTOR
- - MODEL
NUMBER
917. 255930
2
5
20 7
80 79
61 ·59 5;
54 73
72 71
53 48 41
f98
42
REPALR PARTS
18 HP 44" RIDING
TRANSAXLE KEY PART NO, NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2t 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 4!97R 12000034 4199R 4216R 4215R 4217R 6256H 74020652 7392M 6272H 4985R 6266H 4212R 4196R 6276H 633A63 8118M 8740H1 122238X 4218R 6252H1 7810H 4986R 7393R 992R1 6216H 6262H 122254X 6269H 5855H 122162X 6277H 4225R 7396H 4198R 4200R 7395H 121878X 122163X DESCRIPTION Axle Shaft Retaining Ring Final Drive Gear Differential Gear Differential Pinion Differential Carrier Axle Thrust Washer Hex Bolt 3/8-24 x 3-1/4 (1" Thread Length) Steel Ball Spring Shift Fork Detent Shift Fork, High. Low Range Thrust Bearing Race 4th Reduction Pinion 3rd Reduction Gear Shaft Snap Ring, Crescent Type High-Low Range Gears Needle Bearing Sintered Iron Bearing Shift Fork Shaft, High-Low Range Differential Pinion Spacer Differential Pinion Bushing Gripco Centerlock Nut 3/8o24 Shift Fork, L. H. [. . . ]