Sears 917.253311 User manual

ISearsI
MODEL NO.
917.253311
461NCH
DOZER BLADE
ATTACHMENT
FOR SEARS
GARDEN TRACTORS
OWNER'S
MANUAL
Assembly
Operation
Maintenance
Repair Parts
Sears, Roebuck an d Co ., Chi ca go, Ill. 60684 , U.S .A. and Simpsons Sears L im i te d , To ro n t o , Canada
another free manual from www.searstractormanuals.com

TABLE OF CONTE NTS
A SSE MBLY IN STRUCTIONS
OP E RAT ION IN S TRU CTIONS . 1 .4
MA I NTENAN CE IN STRUCTIONS .
REPAIR PART S . • . 4 . 5
nooOOl ooooooomoo
WARRANTY
FULL ONE YEAR WARRANTY
For one year from date of purchase, Sears will repair any defect in mat erial or wo r kmansh ip in this tractor
attachm ent, at no charge.
If the tractor attachment is used for commercial or rental pur poses, this warranty app lies for onl y thirty
day s fr om date of pu rc hase.
Warranty
~"r vice is avail able by simply contacting your nearest Sears store throughout the United States.
This w ar r ant y gives you specific legal rights, and you may have other rights which vary from state to state .
SEA R S, ROEBUCK AND CO.
Sears Tow er
BSC 41-3
Chicago, IL 60684
RULES FOR SAFE OPERATION
1. Know the control s and how to stop qu ickl y. READ TH E
0WI\IER'S M ANUAL.
2. Do not all ow childr en to operate th e vehicle. Do not allow
adu lt s to operate it without proper in struction .
3. Do not carry passengers. Keep children and pets a safe dis·
tance awa y.
4. Always wear substantial footwear. Do not wear loose fitting
clothing that could g et caught in moving pa rts.
5. Keep your eye s and mind on your tractor, mower and the
area being cut . Don't let other interests di stract you.
6. Do not attempt to operate y our tractor or mower when
n ot in drivers seat.
7. Al ways g et on or off your tractor from the ope r at or s l eft
ha nd side.
8. Cl ear the w ork ar cn of objects whi ch might be picked up
and thrown.
9 .- Disengage all attJchment clutches and shift into neutral be·
f ore attempti ng to start the engine.
10 . Disengage power to attac hme nts and stop the engine be-
fore leaving the op<'rat or's position.
11. Disengage p ower to mower , stop th e engine and disconnect
spark plug wire(s) from spark plug(s) before cleaning,
making an adju stment or repairs.
12. Disengage
power to attachments wh en tra nsporting or not
in use. Drive slowly when front or rear mo unted a ttac hment
is in t ransp ort position.
13. T ake all possible precautions when leaving the vehicle un -
a
ttende d, such as disengaging the power - take-off , lowering
the attachment s, shifting into neutral , settin g the park ing
brake, stopping the engine, and remov ing the key .
14 . Do not stop or start suddenly when going uphi ll or down·
hilb Mow up and down the face of slopes (no t greater th an
15 ); never across the face.
15. Reduce speed on slopes and make turns gradually to pre -
vent tipping or loss of control. Exercise extreme caution
w hen changing direction on slopes.
16 . Do not sh ift gears while going up or down slopes. Choose
a gear low enough to negotia te the slope without stopping
and shift ing gears. To r educe speed, move t hr ottle lever
to
slow.
17 . Never mow in w et or sl ippery grass, when traction is un ·
s ure or at a speed wh ich could cause a skid.
18. Stay alert for hole s in the terrain and other hidden hazard s.
19 . Do not drive too close to cr eeks , ditc hes and public high-
ways.
20. Exercise special care when mow ing around fi xed objects
in o rder to prevent the blades from striking them. Never
de liberately run tractor or mower into or over any foreign
ob ject .
:l l. Never shift gears u nt il trac tor comes to a stop .
22. Never place hands or f eet under the mow~r . in the defl<>o to•
(discharge c hut e) or n ea r aroy m ov ing parts wf 1i fe t• ~t . t o •
or mower are runni ng. Alway ~ i<eep clear of dis~;barge chu t<> .
23. Us e care when pulling loa ds or using heavv ~quipme nt.
a. Use only approved dr awbar hitch points.
b. Limit loads to t hos e y ou can safely co n trol.
c. Do not turn sharply. Use care when backing.
d. Use counte rweights or wheel weights anrl tire c h~ins
when suggested in this owner's manual.
e. Never run Dozer Blade into heavy material at high
s
peeds. It was designed f or light work and should Po l he
used for heavy do zing.
24. Watch out for traffic when crossing 0 1 ne ar roadway s.
25. When using an y attachments, never direct discharge nf
material toward by standers nor allow anyone near th e ve-
hicle while
in ope ration.
26. Handle gasoline with care - it is 11ighly flamma bl <> .
a. Use approved gaso li ne contain ers
b. Never remove
the cap of the fuel tank or add g~s olin " to
a running or hot engine, or fill the fuel tan l< indoor ~ .
Wipe up spilled gasoline.
c. Op en doors if the engine is run in the garage · exha ust
fumes are dangerous.
Do not run the eng ine indoor s.
27. Keep the vehicle and attachments in good operating c on ·
dition , and keep safety de vi ces in pl ace. W hen using Thre e
Point Hitch remove attachm ent from hitch before ma k in g
any repairs on attachment or h itch.
28. Keep all nuts, bol ts and screws tight
1all cotter pins
and re-
tainer springs in place to be sure the equ ipmen t is in safe
working condi tio n.
29. Never store the equipment with gasoline in t he tank inside
a building
where fumes may reach an ope n flame or spar k.
Allow the engine to cool before stor ing in any enclosur e.
30. To reduce fire hazard, keep the eng i ne free of grass, leaves
or exce ssive grease.
31. The vehicle and attachments should be sto pped and i nspect·
ed for damage after str iking a foreign object , and the dam-
age should be repaired before restart in g and operating the
equ ipment.
32. Do not change th e engine governor settings or ove rs peed
the engine.
33. When using the vehicle w it h mower, proceed as follows:
a. Mow only in day l ight or in good artifici al li ght .
b. Never make a cutt ing height Cldjustme nt while the engine
is running if the operator must dismount to do so.
c. Shut the engine off when rem ov in g the grass ca tc her or
unclogging chute.
d. Check the blade mounting bo l ts for proper tightness at
frequent int ervals.
34. Check th e grass ca tcher bags frequently for wear or de terio ·
ration . Replace with new bags for safety protection .
A LOOK
FOR THIS SYMBOL TO POINT OUT IMPORTANT
SAFETY PR ECAUTIONS. IT MEANS--ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED.
another free manual from www.searstractormanuals.com

!~
FIGURE 1
ASSEMBLY
YOUR DOZER BLADE MUST BE ATTACHED
WITH FRONT MOUNTING BRACKET 25314 OR
25317.
1. Remove shipping wires, channel, blade, and lever assemblies
and
Bag of Par ts from carton.
To assemble your Dozer you will need:
(2)
1/2" Wrenches (1) 5/32" Allen Wrench
(2)
9/16" Wrenches (1) Pliers
(2)
15/16" Wrenches (1) Hammer
NOTE: Right Hand (R.H.) and Left Hand (L.H. .) are deter·
mined from operator's position.
IF YOUR TRACTOR IS A ONE-PIECE REAR FENDER
MODEL SHOWN IN FIG. 1, BEGIN ASSEMBLY WITH STEP
2.
-OR-
IF YOUR TRACTOR IS A TWIN CYLINDER MODEL,
BEGIN ASSEMBLY WITH STEP 3.
-OR-
FOR All OTHER TRACTOR MODELS, BEGIN ASSEMBLY
WITH STEP 4.
2. Assemble Control Rod Guide (shipped in Bag of Parts) to
[]illij•@@©
Hex Bolt, Flat Washer, Lockwasher and Hex Nut (shown
full size above) found in Bag of Parts .
a. Remove Engine Pulley Cover (Fig. 2).
b. Insert Hex
Bolt through Chassis Channel from the inside.
c.
Place Control Rod Guide, Flat Washer, Lockwasher and
Hex
Nut on Bolt and tighten securely.
d. Replace Engine Pulley Cover and Complete Dozer
assem-
bly starting with step 5, page 2.
3. Assemble Control Rod Guide
to Tractor:
a. Remove Cover (Fig. 3).
b. Loosen
Muffler Guard Bracket Bolt.
c. Place Control Rod Guide on Bolt between Flat Washer
and Bracket and tighten securely.
d. Replace Cover and complete Dozer assembly starting
with step 5, page 2.
4. Assemble Control Rod Guide to Tractor:
a. Remove Cover (Fig. 4).
b. Loosen Hex Bol
t.
c. Place Control Rod on Bolt between Flat Washer and
Chassis Channel and tighten securely.
d. Replace Cover and complete Dozer assembly starting
with step 5, page 2. . , . ·---------•
FIGURE 2
another free manual from www.searstractormanuals.com

UPPER MOUNTING BRACKET--=- -- ,..,
LOWER MOUNTING -~---------~
BRACKET
FIGURE 5
5. Assemble Dozer Channel to Mounting Bracket using:
Hex
Bolt, Flat Washer, Lockwash er and two Hex Nuts
(shown
full size above) found in Bag of Par ts.
a. Start Hex
Bolt from under Lower Mounting Bracket just
far enough to hold Flat Washer on top side of Lower
Mounting Bracket.
b. Insert Dozer Channel between Upper and Lower Mount-
ing Brackets and slide Hex Bolt through.
c. Add lockwasher and one Hex
Nut and tighten securely
(Back
Nut off sl ightly if necessary to allow Channel to
rotate freely).
d. Add second Hex
Nut and tighten securely.
CONTROL ARM
CONTROL
ARM PIN
LOWER
CONTROL
ROD EVE
DOZER CHANNEL
SHAFT
6. Assemble R.H. Plate and L.H. Bracket to ends of Dozer
Channel Shaft using:
two Kliprings (shown tull size above) found in Bag of
Parts (Fig. 5) .
7. Assemble
Lift Lever Shaft to R.H. Plate using:
Flat
Washer and Cotter Pin (shown full size above) found in
Bag of Parts. Swing R.H. Plate up and position on Lift
Leve r Shaft, place Flat Washer over shaft and secure with
Cotter Pin.
8. Assemble
Lift Bracket on Lift Bar using:
Lift Pin and Retainer Spring (shown full size above) found
in
Bag of Parts. Insert lift Pin through Lift Bracket holes
and
Lift Bar slot and secure with Retain er Spring (Fig. 5).
_ 2 _9. Place lower Control Rod Eye in Control Arm Hole (Fig. 5).
}
'
another free manual from www.searstractormanuals.com

Flat Washer and Retainer Springs (shown full size above)
found in
Bag of Parts. Insert Control Arm Pin into R.H.
Plate, place Flat Washer on Pin and secure with Retainer
Spring (Fig. 5).
11 . If necessary, loosen Set Screws to position Lift Bracket on
Lift Lever Shaft so that Bracket lines up with Lift Bar.
Tighten
both Set Screws securely.
12. Place a 2 x 4 or similar object flatwise beneath each end of
Blade (Fig. 6).
13. Insert Pivot
Pins of R.H. Plate and L.H. Bracket into Front
Mounting Bracket slots (Fig. 6- Inset).
14. Turn front tractor wheels to the right to assemble Mount·
ing Rod and Retainer Spring (furnished with Front Mount-
ing Bracket)
thru holes in R.H. Plate, L.H. Bracket and
Front Mounting Bracket. Secure with Retainer Springs to
the inside (Fig. 6- Inset).
15. Install Control Rod using:
@ ~I
FIGURE 6
16. Remove 2 x 4's from beneath Blade.
17. Adjust Control Chain.
a. With Control Rod handle in Blade Ang le "Set" Pos ition
(Fig. 6). Cha in must be long enough to allow Return
Spring
to pull Latch Pin into Blade Angle Adjustment
holes directly below (Fig. 6 - Inset).
b. Wi th Control Rod handle in Blade Angle "Adjusting"
Position (Fig. 6). Chain must be short enough to pull
Latch Pin from Blade Angle Adjustment holes (F ig . 6 -
Inset).
18. Tighten Jam Nuts sh ipped on Tr ip Spring Bolts until a
sl ight spring tension is achieved and enough threads are ex-
posed
to add:
Jam Nuts (shown
full size above) found in Bag of Parts.
Tighten securely.
ADJUSTMENTS
1. Ll FT BLADE
Lift Blade from ground before changing blade angle or trans·
porting.
a. Squeeze Lever Plunger (Fig. 6).
b. Move Lever
to Lowest position on Lever Quadrant and re ·
~ l ease Plunger to hold this position.
c=::!J 2 . ANGLE BLADE
Flat Washer, Retainer Spring, two Hooks, Control Chain,
and Return Spring found in Bag of Parts.
a. Insert Control Rod into eye of Control Rod Guide
(Fig. 6).
b.
Place Control Rod Pin into Control Arm Bushing, place
washer over Pin and secure with Retainer Spring (Fig. 6
-Inset).
c. Assemble two Hooks into Latch Lever and Control Rod
Strap (Fig. 6 - Inset).
d. Connect Control Cha in to hooks (Fig. 6- Inset).
e. Assemble Return Spring to Latch Lever and Dozer
Channel (Fig, 6 - Inset). . 3.
There are five blade pos itions; straight ahead, and two distinct
angles to the right or left.
ALWAYS LIFT BLADE FROM GROUND TO CHANGE
ANGLE PREVENTING STRAIN ON ANGLE CONTROL
LINKAGE.
a. Turn Control Rod to Blade Angle "Adjusting" Position
(Fig. 6). .
b.
Push or Pull Rod to desired an9tle.
c. Turn Control Rod to Blade Angle Set" Position. Make sure
Latch Pin catches in one
of the five Blade Angle Adjustin~
Holes (Fig. 6- Inset).
another free manual from www.searstractormanuals.com

FIGURE 7
3. IM PROVE T RA CTION
Wheel weights and tire chains should' be used with your Dozer
Bl ade to improve tractipn. These accessories are available at
your nearest
Sea rs store or catalog desk.
4 . ADJUST TRIP SPR ING
Trip Springs have been adjusted at the factory to provide only
a slight tension which is all that is normally necessary. To
change spring tension, adjust the nuts at the upper end of the
Trip Springs (Fig. 7).
5. ADJUSTMEN T TO SMOO TH OR
UNEVEN SURFACES
Blade Shoes on ends of blade may be pos it ioned at "o" Mark
for close dozing on smooth surfaces (Fig. 8) or moved to "1"
or "2'' Inch Mark which will raise the Blade to work on rough
or uneven areas . Make sure both Shoes are set evenly and Nuts
tightened securely.
6. ADJUST TO SNO W OR
SAND/GRAVEL REMO VAL
Your Dozer Blade has been designed primarily for li gh t work
such as snow removal, but it will also work satisfactoril y, if
carerully used, in light soil, sand or similar material.
a. Wh en moving snow or other light material, place the Mount ·
ing Rod in the Lower Blade Hole (Fi g. 7). Th is frees the
Blade to spring trip and return if a heavy obstacle is en-
countered.
KN OW THE TERRA IN . AVO ID EXCE P-
TI ONAL LY SHARP SLOP ES OR DROP
OFFS WHICH
MAY BE HIDDE N BY THE
SNOW.
b. When heavier material must be moved place the Mounting
Rod in the Upper Blade Hole (Fig. 7). This places the blade
in rigid operating position.
NEVER RUN THE BL AD E INTO HEA VY
M AT ERI AL AT HIGH SP EE D.
FIGURE 8
OPERATION
IN SPECT THE AREA TO BE WORKED
CAREFULLY BEFORE OPERATING THE
DOZER BLADE. AV OID PIPES , ROOTS,
CURBS OR OTHER
HEAVY OBSTRUC·
TI ON S.
1. Start tractor engine and raise the blade to the highest
"t r ansport" position. Move blade to desired angle an d
lower blade
to ground. ...-
2. Shift the Hi-Lo Rang e Shift Lever to Low Range, th e
Tractor
Shift Lever to Low and ease into the material to be
moved. I
ncrease tractor speed gradually to s uit wor ki ng
conditions and operation being performe d.
A LW AYS LOWER BLADE TO GROUND
BEFORE LEAVING TRACTOR.
L UBRICATION
No lubrication is required other than occasional oiling of pivot
points if they do not work freely.
TO REMOVE DOZER BLADE
FROM TRACTOR
1. Remove Hook with Chain attached from Control Rod {Fig.
6).
2. Remove Retainer Spring and Washer from Control Rod Pin
and remove Control Rod
from Control Arm (Fig. 6).
3. Remove Control Rod
fr om eye of Control Rod Guide
(Fig. 6).
4. Turn
tractor front wheels to the right.
5. Remove Retainer Springs
from Mounting Rod {F ig . 6). R e-
move Rod from Front Mounting Bracket.
STORAGE
When the Dozer is not being used, remove all dirt and rust
and touch up
with paint .
Apply a light coat of grease or rust preventati ve to the blade
and grease pi vot points.
. 4 . Store in an area where it is protected from weather.
another free manual from www.searstractormanuals.com

•
REPAIR PARTS
DOZER BLADE -- MODEL NUMBFn 917.253311
A B C D
I ·· I· ·
~::(jj
1
s.
(il)531
,__ __ ,
= 49 c:=a::::J 50
t:::z::::l 50 cr:::IJ 51
cril 51
E F G
1
57 Cifl58 '59
I =-=60
=50 CI:I:l47
== 14 c:r::I)5 1
=5 2
([I) 53
G
G
2
s/ T:Z--
=== 55
f// @--~ :
35 36 D 28 27
\.l ~ /31 23~~
~ 'i~ ~ ~ t
14
,...._-4j,J.-_46
lr
7
\,
16
17
~
18
18-o ---#1'--- -14
KEY PART
KEY
PART DESCRIPTION NO. NO.
NO. NO. 32 9842R Pin
Bracket· L.H.
673A72 Bl ade Weldment
33
673A84 Bracket L.H. Weldment
34 9436R Return Spring
2 9359R
~hoe
35 9906R Roll Pin
3 9273R
Mount ing Rod 36 9843R
latch Pin Lever
4
49 41M Retainer Spring 38 450
2P
Set Screw, Hex Socket Hdless. · C.P.
5 673A71 Mountin!l Brackets Upper and Lower
5/11> · 18 UNC x 5/16
6 1590P
Washer 27/32 x 1 · 1 /4 x 16 Ga. 39 673A82
lift Bracket
7 2521P Cotter Pin
3/16 x 1 - 1 /2
40
2228M
Woodruff Kev 3/16 .2< 3/4
8 9463R U-Bolt
41 2505P Cott er Pin 1 /8 x 3/4
9 9466R
Tri,J? Spring 43 4338M Lever Clip · Lower
10 9464R
"8 Hook 44
673A129 Lift Lever and Shaft
11 70J Control Chain 45 29J L
ever Plunger
12 9440R Control Rod Lower 46 1539U1 Compression
Spr i ng -
13 4939M Retainer Spring 47 STD541025 •Hex
Nut 1/4 · 20 UNC
14 STD551037 *Washer 13/32 x 13/16 x
16 Ga.
48
STD533110 •c arriage Bolt, Sq. Neck Sht. Shoulder
15 673A90
Control Rod Weldment
5/16 · 18 UNC x 1
16
673A88
Control Arm Weldment
49 STD551031 "Wa sher 11 / 32x 11/16x 16Ga.
17 673A 101
Control Rod Guide 50 STD551131 " loc:-.vasher 5/16
18 5845R Klipring
51 STD541031 "Hex
Nut 5/16 · 18 UNC
19 673A83
Plate Weldment · R.H. 52 STD551137 •lockwasher
3/8
20 673A87
Pin and Bracket Weldment 53 STD541037 "Hex
Nut 3/8 · 16 UNC
21 9451R
Lift Bar 54 3352P Hex Bolt 1/2 · 13 UNC x 4 · 1/2
22
673A73
Channel Weldment 55 STD551050 *Washer
17/32 x 1 x 16 Ga.
23 9462R Drilled
lift Pin 56 STD541050 *Hex
Nut 1/2 -13 UNC
25 15
70P
Washer 21 /3 2 x 2 · 1/8 x 16 Ga. 57 STD523712 *Hex
Bolt 3/8 · 16 UNC x 1 · 1/4
26 3050P Hex
Bolt 5/8 · 11 UNC x 4 · 1/2
58 STD523108 "Hex
Bolt 5/16 · 18 UNC x 7/8
27 STD551162 * Lockwasher
5/8
59 STD522507 *Hex Bolt 1/4 · 20 UNC x 3/4
28 STD541062 *Hex
Nut 5/8 · 11 UNC 60 STD551125
•loc kwasher 1 /4
29 9446R Trip Sh aft
9912R Warranty Tag
30 9445R Latch Pin 32J Owners Manual
31 9841 R Pin Bracket · R
.H .
*STANDARD HARDWARE- -PURCHASE LOCALLY
. 5 .
2
~
en
,.....::)
"": c:
,..... ·-
c:i]
N..,
., c:
N ·;:
MO..
another free manual from www.searstractormanuals.com

ISearsI
MODEL NO.
917.253311
HOW TO ORDER
REPAIR PARTS
MODEL NUMBER
The Model Number will be found on a plate on the left side,
attached
to the Lift. Bracket. Always mention the Model
Number when requesting
service or repair parts for your
Dozer Blade.
REPAIR PARTS
All parts listed herein may be ordered from any SEARS, ROE-
BUCK AND CO . or SIMPSONS-SEARS LIMITED retail or
cataloq store.
WHEN
OR DERING REPAIR PARTS, ALWAYS GIVE THE
FOLLOWING INFORMATION:
e THE PART NUMBER
e THE PART DESCRIPTION
• THE MODEL NUMBER
e THE NAME OF MERCHANDISE
If the parts you need are not stocked locally, your order will be
electronically transmitted to a Sears Repair Parts Distribution
Center
for "expedited handling".
\
Sears . Roebuck and Co .. Chicago. Ill . 60684. U.S.A .
and Simpsonii Sears Limited . Toronto . Canada
another free manual from www.searstractormanuals.com