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       Part No. 350177                                                                                                                                                                      Form No. F021604B

Page 1 of 16

T h a n k   Y o u   f o r   S e l e c t i n g

Operator Owner's Manual

         

The Powerful 

PR and OS

         POWER RAKES and OVERSEEDERS

Specifications

FLAIL BLADES

P/N 350186.

A complete replacement set.  52
of our high quality flail blades for
your PR. Includes 8 new lock
clips  for  replacement  installa-
tion.

PR550,  PR550H,  PR550V,

PR550HV,  OS550,  OS550H

FLAIL SHAFTS

P/N 350185.

A full set of four shafts for
replacement. Includes 8 new
lock  clips  for  replacement
installation.

Note: 

  We  recommend

replacing the shafts when you
replace flails.

REPLACEMENT PARTS

DRIVE BELT

P/N 350116.

Original Equipment drive belt for
your  PR.

SLICING REEL

P/N 350113.

A complete verti-slicing reel for
your PR.  20" wide reel for use
in  grasses  that  require  vertical
cutting, and for assisting in lawn
overseeding  projects.

ACCESSORIES

SLICING BLADES

P/N 350187.

A full set of twenty blades for
replacement.  Includes  40  new
capscrews,  and  lock  nuts  for
replacement installation.

2

1

3

SPACER BUMPERS

P/N 350258.

A complete replacement set.
44  of  1/2"  spacer  bumpers
and  4  of  1/4"  spacer  bumpers

OVERSEEDER KIT

P/N 350281 / 350282.

The  new  Overseeding  Kit  is
constructed of all 12 gauge
steel with two lift handles on
each side to assist in lifting the
entire unit and easily converts a
PR Series Power Rake into an
overseeder  with  4  bolts  and
minimal tools.

NOTE:

  Overseeder  Conversion

Kit (350282) includes Slicing
Reel (350113). Part No.
(350281)  comes  with  the
Overseeder  Box  only.

NEW

PR550

PR550V

PR550H

PR550HV

OS550

OS550H

ENGINE: H.P.

5.5 (4.1 kW)

5.5 (4.1 kW)

5.5 (4.1 kW)

5.5 (4.1 kW)

5.5 (4.1 kW)

5.5 (4.1 kW)

ENGINE: TYPE

B&S OHV

B&S OHV

HONDA OHV

HONDA OHV

B&S OHV

HONDA OHV

ENGINE: FUEL CAP.

3.0 qt. (2.84 L)

3.0 qt. (2.84 L)

3.88 qt. (3.6 L)

3.88 qt. (3.6 L)

3.0 qt. (2.84 L)

3.88 qt. (3.6 L)

ENGINE: OIL CAP.

0.66 qt. (0.62 L)

0.66 qt. (0.62 L)

0.69 qt. (0.65 L)

0.69 qt. (0.65 L)

0.66 qt. (0.62 L)

0.69 qt. (0.65 L)

WEIGHT: UNIT

160# (72.5 kg)

163# (74.1 kg)

158# (71.8 kg)

161# (73.2 kg)

206# (93.4 kg)

204# (92.5 kg)

WEIGHT: SHIPPING

183# (83.0 kg)

183# (83.0 kg)

178# (80.9 kg)

178# (80.9 kg)

229# (104.1 kg)

230# (104.5 kg)

ENGINE WEIGHT:

36# (16.3 kg)

36# (16.3 kg)

34# (15.4 kg)

34# (15.4 kg)

36# (16.3 kg)

34# (15.4 kg)

MAX. ENGINE OPERATING SLOPE

15°

15°

20°

20°

15°

20°

Summary of Contents for PR550

Page 1: ...PACER BUMPERS P N 350258 A complete replacement set 44 of 1 2 spacer bumpers and 4 of 1 4 spacer bumpers OVERSEEDER KIT P N 350281 350282 The new Overseeding Kit is constructed of all 12 gauge steel with two lift handles on each side to assist in lifting the entire unit and easily converts a PR Series Power Rake into an overseeder with 4 bolts and minimal tools NOTE Overseeder Conversion Kit 35028...

Page 2: ...less a spark arrester is installed on the muffler The arrester must be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands 21 DO NOT touch hot muffler cylinder or fins because contact may cause burns 22 DO NOT run engi...

Page 3: ...ance and operating instructions before begining work DO read all engine manufacturers operating and maintenance instructions DO inspect lawn before begining work Remove all rocks wire string or other objects that can present a hazard during work prior to starting DO identify and mark all fixed objects to be avoided during work such as sprinkler heads water valves buried cables or clothes line anch...

Page 4: ...NGINE STOPS IMMEDIATELY WHEN OIL LEVEL LOW RUN CHOKE STOP B S ENGINE THROTTLE CONTROL HONDA ENGINE THROTTLE CONTROL THROTTLE LEVER FUEL VALVE CHOKE LEVER RUN CHOKE ON OFF THIS ENGINE EQUIPPED WITH LOW OIL SENSOR IF ENGINE WILL NOT START CHECK OIL LEVEL Read and follow Operating Instructions before running engine Gasoline is flammable Allow engine to cool at least 2 minutes before fueling Engines e...

Page 5: ...bel Danger Guard Item 52 Part No 900327 PULLTO ENGAGE CLUTCH RELEASETO DISENGAGE CLUTCH 830503 Label Clutch Item 49 Part No 830503 LAWN PREPARATION MOW LAWN TO LOWEST SETTING ON YOUR MOWER DO NOT WATER PRIOR TO SEEDING POWER RAKE TO DETHATCH LAWN AND REMOVE THATCH FERTILIZE LAWN WITH BROADCAST SPREADER SEED APPLICATION CHART THESE SETTINGS ARE APPROXIMATE GUIDELINES SEEDING RATES ARE SPEED DEPENDE...

Page 6: ... machine work area and machine before operat ing Make sure that all operators of this equipment are trained in general machine use and safety Do not operate if excessive vibration occurs If excessive vibration occurs shut engine off immediately and check for damaged or worn reel loose pulley bolts or set screws loose engine or lodged foreign objects See trouble shooting section on page 12 16 Opera...

Page 7: ...ult in premature wear on the unit i e failed belt If you desire to work the ground deeper than the above guidlines allow it should be done gradually in multiple passes SLICING OVERSEEDING Mow the lawn to shorter than the normal cut height before starting i e approxi mately 2 tall for fescue grass For the best result Slice Overseed in criss cross pattern See Fig 1 and See Fig 2 Hints RAKING OPERATI...

Page 8: ...ipment to operate it DO NOT Allow children to operate this equipment OVERSEEDING OPERATION MOW Mow the lawn to shorter than the normal cut height approximately 2 tall DRY Be sure grass is dry Wet conditions can cause increased damage to healthy grass SEED Spread grass seed according to the seed suppliers directions e g 10 lbs per 1000 ft2 4 5 kg per 93 m2 SET DEPTH With engine off set the raking d...

Page 9: ...TION continued 16 MOW LAWN TO LOWEST SETTING ON YOUR MOWER DO NOT WATER PRIOR TO SEEDING POWER RAKE TO DETHATCH LAWN AND REMOVE THATCH FERTILIZE LAWN WITH BROADCAST SPREADER FOR BEST RESULTS OVERSEED IN TWO PASSES OF ONE HALF APPLICATION RATE AT RIGHT ANGLES OR IN A CRISS CROSS PATTERN WATER HEAVILY IMMEDIATELY THEN LIGHTLY FOR 10 14 DAYS KEEPING SOIL MOIST AFTER GERMINATION WATER LESS OFTEN TO PR...

Page 10: ...l rod back to engaged position and measure extension of idler spring Spring should stretch 3 4 1 19 25 mm with bail engaged Adjust clutch cable as necessary to achieve this extension 6 Re install the belt guard DRIVE BELT REPLACEMENT Inspect for loose worn or damaged parts Oil height adjustment linkage To maximize flail blade life and performance the reel can be rotated end to end periodically to ...

Page 11: ... 19 5 X 3 1 10 8171003 W ASHER 5 16 FLAT CUT 1 11 900321 BEARING CLIP 1 375 OD 4 12 510144 PLATE MOUNT FLAPPER 2 13 400217 SPRING TENSION 2 14 8024040 BOLT CARRAIGE 5 16 18 X 1 1 15 8024021 BOLT CARRAIGE 1 4 20 X 3 4 6 16 350286 SCREW SHEET METAL 4 17 8160001 NUT LOCK 1 4 6 18 8160007 NUT LOCK 5 8 11 2 19 8160002 NUT LOCK 5 16 1 21 8172015 W ASHER 3 4 SAE 4 22 350280 W ASHER 0 906 OD X 0 656 ID 8 ...

Page 12: ... BLADE 350141 4 74 BLADE FLAIL 350100 52 75 SPACER BUMPER 5 8 x 1 4 350143 4 76 SPACER BUMPER 5 8 x 1 2 350144 44 77 SHAFT WA FLAIL REEL 350145 1 78 CLIP LOCK 1 2 350146 8 79 WASHER 1 2 SAE 8172011 8 item PARTS Part No QTY no LIST 73 SHAFT FLAIL BLADE 350141 4 78 CLIP LOCK 1 2 350146 8 item PARTS Part No QTY no LIST 74 BLADE FLAIL 350100 52 78 CLIP LOCK 1 2 350146 8 ...

Page 13: ... x 1 4 350143 4 76 SPACER BUMPER 5 8 x 1 2 350144 44 item PARTS PR500 QTY no LIST Part No 57 LOCK WASHER 5 16 TWISTEDTOOTH 800177 1 71 SCREWCAP5 16 24 x 1 HCS GR 5 400164 1 80 SHAFT SLICING WA 350142 1 81 BLADESLICING REEL 350147 20 82 PLATEBLADEMTG 350148 20 83 SPACER BLADEMTG 350149 10 84 SPACER BLADEASSY 350150 9 85 SCREWCAP1 4 20 x 3 4 GR 5 350151 40 86 NUT LOCK 1 4 20 8142004 40 87 COLLAR SPA...

Page 14: ...Part No 350177 Form No F021604B PR550 PR550V PR550H PR550HV OS550 OS550H Page 14 of 16 18 PARTS DRAWING ...

Page 15: ...900327 1 53 PLUG CAP 1 RD 890132 2 890132 2 890132 2 890132 2 54 BOLT CARRAIGE 3 8 16 x 1 3 4 8024061 4 8024061 4 8024061 4 8024061 4 55 BOLT CARRAIGE 5 16 18 x 1 3 4 8024043 2 8024043 2 8024043 2 8024043 2 56 BOLT CARRIAGE 5 16 18 x 3 4 8024039 4 8024039 4 8024039 4 8024039 4 57 LOCK WASHER TW TOOTH 400502 1 400502 1 800177 1 800177 1 58 NUT LOCK 10 24 8164005 1 8164005 1 8164005 1 8164005 1 59 N...

Page 16: ...sible malfunction of engine Drain fuel outdoors into an approved container away from open flame Be sure engine is cool Do not smoke Run engine until fuel tank is empty and engine runs out of gasoline NOTE Fuel stabilizer such as Sta Bil is an acceptable alternative in minimizing the formation of fuel gum deposits during storage Add stabilizer to gasoline in fuel tank or storage container Always fo...

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