Poulan Pro HDF550N Owner'S Manual Download Page 9

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BREAKING IN YOUR TILLER

Break-in your belt(s), pulleys and tine control before you 
actually begin tilling.
•      Start engine, tip tines off ground by pressing handles 

down and engage tine control to start tine rotation. 
Allow tines to rotate for fi ve minutes.

•         Check tine operation and adjust if necessary.  See “TINE 

OPERATION CHECK” in the Service and Ad just ments 
sec tion of this manual.

TILLING HINTS 

CAUTION:  Until you are accustomed 
to handling your tiller, start ac tu al fi eld 
use with throttle in slow position. 

To help tiller  move forward, lift up the handles slightly (thus 
lifting depth stake out of ground). To slow down the tiller, 
press down on handles.

If you are straining or tiller is shaking, the wheels and depth 
stake are not  set properly in the soil being tilled. The proper 
setting of the wheels and depth stake is through trial and 
error and depends upon the soil con di tion.  (The harder or 
wetter the ground, the slower the engine and tine speed 
needed. Under these poor con di tions, at fast speed the 
tiller will run and jump over the ground). 

 A properly adjusted tiller will dig with little effort from the 
operator.
•     Tilling is digging into, turning over, and breaking up 

packed soil before planting.  Loose, unpacked soil helps 
root growth. Best tilling depth is 4"-6".  A tiller will also 
clear the soil of unwanted vege ta tion. The de com po si tion 
of this vegetable mat ter en rich es the soil.  De pend ing 
on the climate (rain fall and wind), it may be advisable 
to till the soil at the end of the growing season to further 
condition the soil.

•         Soil conditions are important for proper tilling. Tines will 

not readily penetrate dry, hard soil which may con trib ute 
to excessive bounce and diffi cult handling of your tiller. 
Hard soil should be mois tened before tilling; however, 
extremely wet soil will “ball-up” or clump during tilling. 
Wait until the soil is less wet in order to achieve the 
best results. When tilling in the fall, remove vines and 
long grass to prevent them from wrapping around the 
tine shaft and slowing your tilling operation.

•      You will fi nd tilling much easier if you leave a row un-

tilled between passes. Then go back between tilled 
rows. (See Fig. 9) There are two reasons for doing 
this. First, wide turns are much easier to negotiate than 
about-faces. Sec ond, the tiller won’t be pulling  itself, 
and you, toward the row next to it.

•     Set depth stake and wheel height for shallow tilling 

when working extremely hard soil or sod. Then work 
across the fi rst cuts at normal depth.

3

2

1

5

4

6

7

FIG. 9

CULTIVATING

Cultivating is destroying the weeds between rows to pre-
 vent them from robbing nourishment and moisture from the 
plants. At the same time, breaking up the upper layer of 
soil crust will help retain moisture in the soil. Best digging 
depth is 1"-3".
•         You will probably not need to use the depth stake. Begin 

by tipping the depth stake forward until it is held by the 
stake spring.

•      Cultivate up and down the rows at a speed which will 

allow tines to uproot weeds and leave the ground in 
rough con di tion, promoting no fur ther growth of weeds 
and grass (See Fig. 10).

FIG. 10

OPERATION

FIG. 8

RECOIL STARTER
HANDLE

SPARK PLUG

CHOKE
CONTROL

THROTTLE
CONTROL

NOTE

:  If at a high altitude (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.

NOTE

:  If engine does not start, see troubleshooting 

points.

Summary of Contents for HDF550N

Page 1: ...on Maintenance Service and Adjustments Storage Troubleshooting Repair Parts OWNER S MANUAL MODEL NO HDF550N 5 5 HP 26 Inch Tiller For Parts and Service contact our authorized distributor call 1 800 84...

Page 2: ...ever allow adults to operate the equipment without proper instruction Keep the area of operation clear of all persons par ticularly small children and pets PREPARATION Thoroughly inspect the area wher...

Page 3: ...USED ON OR NEAR ANY UNIMPROVED FOREST COVERED BRUSH COVERED OR GRASS COVERED LAND UNLESS THE ENGINE S EXHAUST SYSTEM IS EQUIPPED WITH A SPARK ARRESTER MEETING APPLICABLE LOCAL LAWS IF ANY IF A SPARK...

Page 4: ...ion of your tiller all parts and hardware you assemble must be tightened securely Use the correct tools as necessary to insure proper tightness TOOLS REQUIRED FOR ASSEMBLY A socket wrench set will mak...

Page 5: ...T NUT A ENGINE BRACKET HALVES FIG 3 STAKE SPRING TILLER HANDLES 02 05 1 CABLE S FIG 2 handles_38 HANDLE PANEL BOLTS FLAT WASHER HEX BOLT 5 16 18X3 4 TILLER HANDLE HANDLE PANEL NUT LOCK WASHER HEX BOLT...

Page 6: ...eir mean ing RECOIL STARTER HANDLE DEPTH STAKE TINE SHIELD CHOKE CONTROL FORWARD TINE CONTROL TINES THROTTLE CONTROL FIG 4 MEETS ANSI SAFETY REQUIREMENTS Our tillers conform to the safety standards of...

Page 7: ...ase reverse tine control to stop reverse move ment ENGINE Move throttle control to STOP position Never use choke to stop engine TILLING The speed and depth of tilling is regulated by the position of t...

Page 8: ...e with other hand Pull rope out slowly until engine reaches start of compression cycle rope will pull slightly harder at this point Pull recoil starter handle quickly Do not let starter handle snap ba...

Page 9: ...hardsoilwhichmaycontribute to excessive bounce and difficult handling of your tiller Hard soil should be moistened before tilling however extremely wet soil will ball up or clump during tilling Wait...

Page 10: ...CONTROL c IDLER ARM GENERAL RECOMMENDATIONS The warranty on this tiller does not cover items that have beensubjectedtooperatorabuseornegligence Toreceive fullvaluefromthewarranty theoperatormustmainta...

Page 11: ...not used for 25 hours in one year Check the crankcase oil level before starting the engine and after each five 5 hours of continuous use Add SAE 30 motor oil or equivalent Tighten oil filler plug secu...

Page 12: ...ction Replace if damaged SPARK PLUG Replace spark plugs at the beginning of each tilling sea son or after every 50 hours of use whichever comes first Spark plug type and gap setting are shown in PRODU...

Page 13: ...cannot come into contact with plug FIG 16 FIG 17 FIG 18 TINE ARRANGEMENT Your outer tines can be assembled in several different ways to suit your tilling or cultivating needs CAUTION Tines are sharp...

Page 14: ...ONTROL CABLE CABLE CLIP TO REPLACE V BELTS See Figs 21 and 22 Replace V belts if they have stretched considerably or if they show cracks or frayed edges There are two 2 V belts forward inside and reve...

Page 15: ...ULLEY SERVICE AND ADJUSTMENTS ENGINE TO ADJUST CARBURETOR Thecarburetorhasbeenpresetatthefactoryandadjustment should not be necessary However engine performance can be affected by differences in fuel...

Page 16: ...ace belts if necessary See belt re placement instructions in the Service and Adjustments section of this manual Lubricate as shown in the Maintenance section of this manual Be sure that all nuts bolts...

Page 17: ...6 Stale or dirty fuel 6 Empty fuel tank and refill with fresh gasoline 7 Water in fuel 7 Empty fuel tank and carburetor and refill tank with fresh gasoline 8 Clogged fuel tank 8 Remove fuel tank and...

Page 18: ...ed 5 16 18 13 180847 Bolt Carriage 5 16 18 x 3 4 Gr 5 KEY PART NO NO DESCRIPTION KEY PART NO NO DESCRIPTION 14 181452X428 Panel Handle 16 166377 Handle R H 18 166868 Cable Control Tine 19 151229 Lever...

Page 19: ...ew Hex Washer Hd Slotted Thd Cutting 10 24 x 1 2 Type D 4 74610812 Bolt Hex 1 2 20 x 3 4 5 73680600 Nut Hex Lock 3 8 16 6 19131316 Washer 13 32 x 13 16 x 16 Ga 7 2009J Pulley Idler Reverse 8 180323 As...

Page 20: ...Depth 10 326J Pin Clevis 11 74780628 Bolt Hex Fin 3 8 16 x 1 3 4 13 1951J Support Depth Stake L H KEY PART NO NO DESCRIPTION 15 5388J Spring Stake 16 121117X Bolt Shoulder 17 9188R Wheel 18 19131311 W...

Page 21: ...550N TINE ASSEMBLY KEY PART NO NO DESCRIPTION 1 156934 Tine Outer R H 2 3146R Retainer Spring 3 156932 Tine Inner R H 4 156931 Tine Inner L H 5 156933 Tine Outer L H 6 4929H Pin Clevis KEY PART NO NO...

Page 22: ...from engine manufac turer 2 3 5 6 8 11 16 17 11 10 7 19 14 10 12 18 10 14 1 20 transmission_12 KEY PART NO NO DESCRIPTION 1 74760524 Bolt Hex 5 16 18 x 1 1 2 Gr 2 2 74780652 Bolt Hex Fin 3 8 16 x 3 1...

Page 23: ...Reverse 4 189936 Decal Reverse Tine Control 5 141907 Decal Hand Placement 6 176392 Decal Eng Tiller 7 171077 Decal OHV N I C 8 141906 Decal Warning Rotating Tines 9 157381 Decal Hvy Duty 10 171078 Dec...

Page 24: ...ance with the instructions furnished This Warranty does not apply to any product which has been subjected to alteration misuse abuse improper assembly or installation delivery damage or to normal wear...

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