Billy Goat PR550, PR550H, PR550V, PR550HV, OS551, OS551H specifications Slicing Blade Wear

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17MAINTENANCE

Use only a qualified mechanic for any adjustments, disassembly or any kind of repair .

WARNING: TO AVOID PERSONAL INJURY, ALWAYS

TURN MACHINE OFF, MAKE SURE ALL MOVING

PARTS COME TO A COMPLETE STOP.

DISCONNECT SPARK PLUG WIRE

BEFORE SERVICING UNIT.

ENGINE: See engine manufacturer operator's instructions.

RECONNECT SPARK PLUG WIRE,

AND ALL GUARDS, BEFORE

STARTING ENGINE.

USE ONLY BILLY GOAT ORIGINAL

EQUIPMENT PARTS FOR

REPLACEMENT AND REPAIR

BLADE WEAR AND ROTATING REEL END TO END

FLAIL BLADE WEAR

1.Wait for engine to cool and disconnect spark plug.

2. Close fuel valve on engine (if available).

3.Lean unit back onto lower handles and secure in place.

4. Inspect blades for wear, and immediately replace any bent or cracked blades. Measure the overall length of the blade. (See fig. 1)

5.If blades measure less than 3.25"(83 mm) in overall length they must be replaced. NOTE: We recommend replacing all the flails at once.

Fig. 1

SLICING BLADE WEAR

1.Wait for engine to cool and disconnect spark plug.

2.Close fuel valve on engine (if available).

3.Lean unit back onto lower handles and secure in place.

4.Inspect blades for wear, and immediately replace any bent or cracked blades. Measure the overall length of the blade from the center of the attachment bolt to the tip of the worn blade.

5.If blades measure less than 3"(76 mm) in length they must be replaced. NOTE: We recommend replacing all the blades at once.

ROTATING FLAIL REEL END TO END

To maximize flail blade life and performance the reel can be rotated end to end periodically to provide a fresh lead cutting edge. Takes approx. 20 min. and requires 1/2" and 9/16" socket wrenches with extension bar.

1.Wait for engine to cool and disconnect spark plug.

2. Close fuel valve on engine (if available).

3.Lean unit back onto lower handles and secure in place.

4. Remove (6) lock nuts(item 62) holding the belt and shaft guards(item 21 &22) in place. It is necessary to lower the height adjust lever to reach the locknuts on the guards. Remove the guards.

5.Remove the drive belt(item 9) by "walking" it out of the groove on the reel pulley(item 2).

6.Remove the (4) lock nuts(item 60) and washers(item 68) holding the bearings(item 23) to the frame of the unit.

7.The reel is now free from the machine. Slide the reel down and out of the machine.

8.Remove the capscrew(item 71), lockwasher(item 57), reel pulley(item 2), key(item 42), and reel spacer(item 10) from the end of the reel.

9.Rotate the reel end to end, and re-install these items on the opposite end of the reel.

10.Re-install the reel in reverse order of removal. Re-install the guards in reverse order of removal.

DRIVE BELT REPLACEMENT

NOTE: Takes approx. 10 min. and requires 1/2" socket wrench with extension.

1.Wait for engine to cool and disconnect spark plug.

2 . Remove (3) lock nuts(item 62) holding the belt guard(item 21) in place. It is necessary to lower the height adjust lever to reach the locknuts on the guard. Remove the guard.

3.Remove the belt(item 9) by rotating the reel pulley(item 2) and walking it out of the groove. Discard old belt

4. Install new belt using same procedure to walk the belt into the groove.

5.With new belt installed pull bail rod back to engaged position and measure extension of idler spring. Spring should stretch 3/4" - 1" (19

25mm) with bail engaged. Adjust clutch cable as necessary to achieve this extension.

6.Re-install the belt guard.

Maintenance Schedule

Follow these hourly

maintenance intervals.

 

 

 

 

Maintenance Operation

Every Use

Every

(Daily)

25 hrs

 

Engine (See Engine Manual)

Check engine oil

Inspect and clean engine air filter

Grease reel bearings

Inspect belt

Inspect for loose, worn, or damaged parts

Oil height adjustment linkage

Part No. 350324

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Form No. F031605A

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Contents Accessories NEW7SOUND Table of ContentsVibration OS551 & OS551H Per Model Packing ChecklistPUT OIL in Engine Before Starting Briggs & Stratton 5.5 Intek OHVControls Set lever to choke position when starting a cold engineEngine Labels Release to Disengage Clutch Instruction LabelsFolding Handle Starting EngineHandling & Transporting RAKING/SLICING Tips Raking OperationVERTI-CUTTING Operation Overseeding OperationLawn Preparation Adjusting Seed RateDropping Seeds Blade Wear and Rotating Reel END to END Flail Blade Wear Disconnect Spark Plug Wire Before Servicing UnitDrive Belt Replacement Slicing Blade WearPower Rake Seeder BOX KIT Parts DrawingFlail Reel Assy Flail Shaft KIT Flail Blade KITSpacer Bumper KIT Slicing Blade KIT Slicing Reel AssyParts Drawing Parts Engine General Engine SpecificationsTroubleshooting Unit Storage

PR550, PR550H, PR550V, PR550HV, OS551, OS551H specifications

Billy Goat has long been a trusted name in the outdoor power equipment industry, particularly known for its versatile line of wheeled blowers and vacuum systems. The PR550 and OS551 series exemplify the brand’s commitment to innovation, durability, and user-friendliness.

The PR550 series includes the PR550, PR550H, PR550V, and PR550HV models, each designed to tackle tough cleaning tasks with ease. The PR550 is equipped with a reliable engine that provides significant airflow, making it perfect for large debris, such as leaves and grass clippings. The PR550H variant features Honda engines, renowned for their easy start-up and fuel efficiency. This model is ideal for users seeking reliability and performance.

The PR550V model stands out with its variable speed control feature, allowing users to adjust airflow according to the task at hand, enhancing user experience and efficiency. The PR550HV combines high-velocity airflow with a self-propelled mechanism, making it easier for users to navigate tough terrains without straining themselves.

Transitioning to the OS551 series, it includes the OS551 and OS551H models. These outdoor vacuum systems are designed to make yard cleanup a breeze. The OS551 model is equipped with a robust engine and offers a generous intake for quick debris clearance. This is particularly beneficial for those with larger properties that require frequent maintenance.

The OS551H model boasts a Honda engine, emphasizing performance and reliability. Both models feature a compact design, which ensures that they can easily maneuver through tight spaces. The durable construction of the OS551 series also means they can withstand harsh outdoor environments, providing longevity for users.

Key features across both series include ergonomic handles for comfortable operation, large wheels for ease of mobility, and efficient collection systems that minimize downtime. Additionally, the lightweight design of these models means users can easily transport them from one job site to another.

In conclusion, regardless of whether you choose the PR550 or OS551 series, Billy Goat’s commitment to engineering high-performance outdoor equipment ensures you have the right tools to tackle any landscaping challenge. With advanced technologies and user-friendly features, these models provide exceptional value for both homeowners and professionals alike, making yard upkeep more manageable than ever.
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