Engine Notes

Oil

1.Check oil level periodically and after every five hours of operation.

2.Add oil as necessary to keep the level to the FULL mark on the dipstick.

3.Use a good quality SAE 30 four stroke oil.

4.To fill with oil:-

a)Remove oil filler cap. (D1)

b)Fill to the FULL mark on the dipstick. (D2)

5.Change the oil after the first five hours operation and thereafter every 25 working hours.

6.Always change the oil while the engine is warm - but not hot - never attempt any maintenance on a hot engine.

Petrol

1.Use fresh regular grade lead free petrol.

2.Do not fill the fuel tank when the engine is hot.

3.Do not fill the fuel tank while smoking.

4.Do not fill the fuel tank while the engine is running.

5.To avoid introducing dirt into the fuel system,

wipe all grass and dirt from the petrol filler cap before unscrewing it. (E1)

6.It is recommended that you fill the tank through a funnel with a filter. (E2)

7.Wipe away spillages before starting.

Please Note :- move the product away from the fuelling area before starting

Starting - Priming the Engine

Please Note:- When starting the engine for the first

time, fill with oil and petrol as described above in the Oil and Petrol section.

Priming is usually unnecessary when restarting a warm engine. However, cool weather may require priming to be repeated.

Starting the engine for the first time

1.Advance engine speed control to FAST ‘+’ as illustrated in the Use - starting and stopping section.

2.Push primer bulb (F) firmly five times

3.Follow instructions in the Use - starting and stopping section.

4.If engine fails to start after three pulls of the pull

cord, push primer bulb three times and repeat step 3.

Starting engine thereafter

1.Move engine speed control to FAST ‘+’ position and push primer bulb firmly three times before starting engine. (if engine stopped because it ran out of fuel, refuel engine - push primer bulb three times.)

Use - Starting and Stopping

G1-a - engine speed control

G3-a - recoil starter

Starting & Stopping R 50S

Starting

1.Connect the spark plug lead.

2.Move the Engine Speed Control to the FAST ‘+’ position before starting. (G1)

3.Pull the operator presence control (OPC) to release the brake on the engine and the blade.(G2)

4.Pull the recoil starter fully towards you until you feel the full resistance, return the handle slowly

then pull the handle firmly towards you to its full extent. (G3)

5.After the engine has started, allow to run for 30

seconds before commencing to use.

Engaging the Drive

1.Forward drive is engaged and disengaged with the Powerdrive lever at the top of the handle (G4).

2.Releasing the Powerdrive Lever stops the

forward drive automatically.

Stopping

1.Release the powerdrive lever.

2.Release the OPC lever.

Starting & Stopping R 50SE Starting

1.Follow steps 1-3 for the R 50S

2.Turn the key and hold until the engine starts

(H). The key will return to the original position when released.

3.If the engine fails to start when you turn the key your battery may need charging.

J1 - drive speed control

Engaging the Drive - See R 50S

Drive speed can be altered with the drive speed control. (J)

Stopping -

See R 50S

Please note:- Your R 50SE can be started manually by following steps 1-5 in

Starting & Stopping R 50S

Key Start Only - During mowing, your engine will recharge the battery

Starting & Stopping R 50S/BBC (BBC - Blade, Brake , Clutch)

1.Follow steps 1 - 2 - 4 and 5 for the R 50S.

2.Pull the BBC arm to the handle (K1).

3.While holding the BBC arm, push forward BBC control lever until a click is heard (K2).

4.Release the BBC control lever which will return to its original position.

5.Releasing the BBC arm will stop the blade from

rotating.

Please Note:

Leaving the engine running without the blade rotating for an extended length of time could lead to the engine overheating.

Engaging the Drive - See R 50S

Drive speed can be altered with the drive speed control. (J)

Stopping

1.Release the powerdrive lever.

2.Release the BBC arm.

3.Move Engine Speed Control to the ‘-’ position.

ENGLISH - 3

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Husqvarna R 50S / BBC, R 50SE manual Engine Notes, Starting Priming the Engine, Use Starting and Stopping
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R 50SE, R 50S / BBC, R 50S specifications

The Husqvarna R 50S, along with its variants the BBC and R 50SE, represents a pinnacle of innovation in the world of string trimmers, designed to meet the demands of both professional landscapers and avid gardeners. Known for their robust performance and user-friendly features, these models cater to a wide range of trimming tasks, from residential lawns to commercial landscapes.

One of the standout features of the Husqvarna R 50S series is its powerful engine. These trimmers come equipped with advanced two-stroke engines that ensure efficient fuel consumption and reduced emissions, aligning with modern environmental standards. The engines are designed to provide high torque at low RPM, which translates to effective cutting power while maintaining low vibration levels. This allows users to enjoy comfort during extended periods of use, reducing fatigue and enhancing productivity.

In terms of design, the R 50S models boast lightweight yet durable construction. This combination ensures that the trimmers are easy to handle and maneuver, even in tight spaces or around obstacles. The ergonomic handle and adjustable harness on the R 50SE model further enhance user comfort, enabling operators to work for longer hours without discomfort.

Another key characteristic of the Husqvarna R 50S series is the innovative AutoReturn stop switch feature. This technology automatically resets the stop switch to the ON position after the engine is turned off, allowing for easier restarts and improved convenience. Additionally, the easy-to-load trimmer head simplifies the process of changing trimmer lines, drastically reducing downtime and increasing efficiency.

The R 50S models also emphasize versatility with their range of compatible attachments. Users can convert their trimmers for various tasks such as edging, pruning, and even cultivating, making the R 50S an all-in-one solution for landscape maintenance. Enhanced by Husqvarna's commitment to quality and performance, these trimmers are built to withstand the rigors of frequent use while delivering exceptional results.

To summarize, the Husqvarna R 50S, BBC, and R 50SE are equipped with powerful engines, a user-friendly design, innovative features like the AutoReturn stop switch, and versatility for numerous gardening tasks. These models stand out in the market as reliable tools for both professionals and homeowners seeking efficiency and ease of use in their landscape maintenance endeavors.
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