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Bäumr-AG Petrol Powered Lawn Mowers 

E&OE 

©2017 Bäumr-AG 

Safety 

Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or 
equipment or property damage if not understood or followed. Safety messages have the following symbols: 

You WILL be KILLED or 
SERIOUSLY INJURED if you do 
not follow instructions. 

You CAN be KILLED or 
SERIOUSLY INJURED if you do 
not follow instructions. 

You CAN be INJURED if you do 
not follow instructions or 
equipment damage may occur. 

 

It is important that you read and 
understand the instruction manual before 
use and keep the manual in a safe place 
for future reference. Safety information 
presented here is generic in nature – some 
advice may not be applicable to every 
piece of equipment. The term “equipment" 
refers to your product, be it electrical 
mains, battery or petrol engine powered. 

Read all safety warnings and all 
instructions. When using the equipment, 
basic safety precautions detailed here 
must always be followed to reduce the risk 
of fire, electric shock, personal injury and 
material damage. 

IMPORTANT

 – Handle the equipment 

safely and carefully.  

BEFORE USE

 - If you are not familiar with 

the safe operation/handling of the 
equipment, or are in any way unsure of any 
aspect of suitability or correct use it for 
your application, you should complete 
training conducted by a person or 
organization qualified in safe use and 
operation of this equipment, including 
fuel/electrical handling and safety. 

WARNINGS 

  Read all safety warnings and all 

instructions. When using the equipment, 
basic safety precautions detailed here 
must always be followed to reduce the 
risk of fire, electric shock, personal injury 
and material damage. 

  Do not operate the equipment in 

flammable or explosive environments, 
such as in the presence of flammable 
liquids, gases or dust. The equipment 
may create sparks or heat that may 
ignite vapours, dust etc 

  Keep clear of moving parts. 

  Equipment may be a potential source of 

electric shock or injury if misused. 

  Do not operate the equipment if it is 

damaged, malfunctioning or is in an 
excessively worn state.  

  Do not allow others to use the 

equipment unless they have read this 
manual and are adequately trained.  

General Work Area Safety 

Work areas should be clean and well it. 

Do not operate the equipment if 
bystanders, animals etc are within 
operating range of the equipment or the 
general work area. 

General Personal Safety 

Keep packaging away from children - risk 
of suffocation! Operators must use the 
equipment correctly. When using the 
equipment, consider conditions and pay 
due care to persons and property. 

Prevent unintentional starting of the 
equipment - ensure equipment and power 
source switches are in the OFF position 
before connecting or moving the 
equipment. Do not carry equipment with 
hands/fingers touching any controls. 
Remove any tools or other items that are 
not a part of the equipment from it before 
starting or switching on. 

Stay alert and use common sense when 
operating equipment. Do not overreach. 
Keep proper footing and balance at all 
times. Do not use equipment when tired or 
under the influence of drugs, alcohol or 
medication. This equipment is not intended 
for use by persons with reduced physical, 
sensory or mental capabilities. 

You must wear appropriate protective 
equipment when operating, servicing, or 
when in the operating area of the 
equipment to help protect from serious 
injury, including eye injury, inhalation of 
toxic fumes, burns, and hearing loss.  
Always wear eye protection. Protective 
equipment such as respirators, non-skid 
safety shoes, hard hat, hearing protection 
etc should be used for appropriate 
conditions. Other people nearby should 
also wear appropriate personal protective 
equipment. Do not wear loose clothing or 
jewellery, which can be caught in moving 
parts. Keep hair and clothing away from 
the equipment. 

If devices are provided for the connection 
of dust extraction and collection facilities, 
ensure these are connected and properly 
used. Use of dust collection can reduce 
dust-related hazards. 

General Equipment Use and Care 

Do not force the equipment. Use the 
correct equipment for your application. The 
correct equipment will perform better and 
be safer within its design parameters. 

Do not use the equipment if the ON/OFF 
switch malfunctions – any equipment that 
cannot be controlled with the ON/OFF 
switch is dangerous and must be repaired. 

Use the equipment and accessories etc. in 
accordance with these instructions, taking 
into account working conditions and the 
work to be performed. Using the equipment 
for operations different from those intended 
could result in hazardous situations. 

Before use, inspect the equipment for 
misalignment or binding of moving parts, 
loose components, damage or any other 
condition that may affect its operation. If 
damaged, have the equipment repaired by 
an authorized service center or technician 
before use. 

Always keep the equipment and 
accessories (cutting tools, nozzles, bits 
etc) properly maintained. Keep the 
equipment, controls and handles dry and 
free from dirt, oil and grease. 

Store the equipment out of reach of 
children or untrained persons. To avoid 
burns or fire hazards, let the equipment 
cool completely before transporting or 
storing. Never place the equipment in 
places where there are flammable 
materials, combustible gases or 
combustible liquids etc. 

The equipment is not weatherproof, and 
should not be stored in direct sunlight, at 
high ambient temperatures or locations 
that are damp or very humid. 

Lawn Mower Use and Care 

  The equipment is designed for domestic 

use only. 

  Always wear substantial footwear, such 

as boots, and long trousers when 
operating the product. Do NOT wear 
open shoes and shorts. 

  Check the work area before mowing and 

remove any objects (stones etc) that 
may be thrown by the mower or may 
otherwise damage it. 

  Avoid cutting wet or very tall grass. If 

grass is tall, mow in several passes, 
each time reducing the cut height. 

  Do not use the equipment for purposes it 

is not designed for, such as shredding 
leaves or wood chipping. 

  Avoid overly steep slopes when mowing 

and, when mowing on an incline, mow 
across the face of the incline, not up and 
down it. 

  Do not start self-propelled models 

(where applicable) with the drive 
mechanism engaged. 

  Use caution when reversing or pulling 

the equipment towards you, and 
changing direction. 

  After stopping the engine, always allow 

all moving components (blades etc) to 
stop moving before moving, lifting etc. 

  Stop the engine if the equipment 

requires tilting or moving over non-grass 
surfaces. 

Summary of Contents for 660EX/MOWPSH6NDBMRADJF

Page 1: ...RE REFERENCE Products covered by this manual may vary in appearance assembly inclusions specifications description and packaging The product is NOT supplied with engine oil although traces of oil from the manufacturing process may be present It is essential to add adequate engine oil of the correct type to the engine before use see Checking and Changing Engine Oil Failure to add engine oil will vo...

Page 2: ... not intended for use by persons with reduced physical sensory or mental capabilities You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect from serious injury including eye injury inhalation of toxic fumes burns and hearing loss Always wear eye protection Protective equipment such as respirators non skid safety shoes...

Page 3: ... serviced or repaired at authorized service centers by qualified personnel only Replacement parts must be original equipment manufacturer OEM to help ensure that equipment safety is maintained Do not attempt any maintenance or repair work not described in this instruction manual After use the equipment and components may still be hot allow the equipment to cool and disconnect spark plugs and or el...

Page 4: ...r 12 Adjusting Cutting Height 13 Using the Grass Catcher 13 Using the Mulching Attachment 13 Using the Side Discharge Attachment 14 Using the Self Propel Function 14 Using the Deck Wash Function 14 Mowing Guidelines 15 Maintenance 16 Maintenance Schedule 16 Checking and Changing Engine Oil 17 Checking Cleaning or Replacing the Air Filter 18 Air Filter Inspection and Cleaning 18 Spark Plug 19 Spark...

Page 5: ...0EX MOWPSH6NDBMRADJF 16 139cc 4 Stroke 670EX MOWPSH6KSBMRADJF 16 139cc 4 Stroke Electric Start 690SX Series II MOWPSHBMRA6DW 16 139cc 4 Stroke Self Propelled 700SX Series II MOWPSHBMRA6CH 16 139cc 4 Stroke Self Propelled 750SX MOWPSHBMRA8CD 18 165cc 4 Stroke Self Propelled 760SX Series II MOWPSHBMRA9CH 19 165cc 4 Stroke Self Propelled ...

Page 6: ...Mowers E OE 2017 Bäumr AG 6 770SX Series II MOWPSHBMRA9BS 19 140cc 4 Stroke Self Propelled 880SX Series II MOWPSHBMRA1CH MOWPSHBMRB1CG 21 218cc 4 Stroke Self Propelled 890SX Series II MOWPSHBMRA1BS 21 163cc 4 Stroke Self Propelled ...

Page 7: ...ection shows typical major components common to most 4 stroke petrol powered lawn mowers the position of some components may also vary between models No Name No Name 1 Deck 13 Air Filter Cover filter inside 2 Fuel Filler and Tank 14 Engine Safety Bar where applicable 3 Handle 15 Fuel Primer where applicable 4 Choke or Throttle or Engine On Off Control 16 Side Discharge Chute where applicable 5 Exh...

Page 8: ...rs D out to unlock them and unfold the handle then push the levers back into the locked position On some models that do not have adjustment the top handle sections are attached directly to the lower sections using screws and nuts similarly to the procedure below 3 Ensure that any cables wires are running along the top of the handle then place the ends of the handle in position with the mounting br...

Page 9: ...e refuelling Adequately fill the fuel tank with the correct fuel type Use non ethanol unleaded petrol higher RON values will provide best engine performance Do not use old or contaminated fuel To fill or top up fuel 1 Place the machine in an upright position on a flat and level surface 2 Clean the machine around the fuel filler so that no dirt or other material enters the engine when the cap is re...

Page 10: ... If the machine is equipped with a choke or cold or cold start throttle setting and the engine is cold place the throttle in that position If the engine is warm or the ambient temperature is high place the throttle somewhere in the run region generally just off the stop position is good If the machine has no choke place the throttle in the start or run position 3 IGNITION If the machine has an eng...

Page 11: ...el mixture becomes If the engine is being permanently operated at high altitude it is recommended to have an authorized service center make the necessary carburettor adjustments If the engine is used occasionally at altitude not extreme altitudes no adjustments should be required however a slight decrease in engine performance can be expected Temperature If the engine is being used in extremely co...

Page 12: ...icient speed to provide the desired cutting action This may vary on the type of grass grass height and density etc After use it is recommended to clean the mower of excessive grass cuttings dirt etc Some models feature a deck wash which can be used to simplify cleaning the underside of the mower deck The lawn mower may have additional features to just cutting grass For example mulching side discha...

Page 13: ... hold it in this position 2 Insert the catcher B with open end toward the mower and hook the catcher fingers C onto the mounting points D then lower the rear guard so it rests on the top of the grass catcher To remove the grass catcher lift the bottom edge of the rear guard then lift the grass catcher to unhook it from the mower Once unhooked pull the grass catcher out and lower the rear guard Usi...

Page 14: ...drive activation bar is pulled in the drive gears will engage which can make it difficult to move the mower It is recommended to release the drive activation bar when changing direction reversing etc To activate the self propel function hold the drive activation bar against the handle B To deactivate the function release the bar Using the Deck Wash Function Some models may have a deck wash functio...

Page 15: ... Avoid overly steep slopes when mowing and when mowing on an incline mow across the face of the incline not up and down it Do not start self propelled models where applicable with the drive mechanism engaged Use caution when reversing or pulling the equipment towards you and changing direction After stopping the engine always allow all moving components blades etc to stop moving before moving lift...

Page 16: ...uired Proper care and maintenance ensures best performance and longest service life The maintenance schedule below specifies preventative maintenance checks and necessary maintenance tasks and how often they should be performed Harsh operating environments such as extreme temperatures dust etc may necessitate more frequent maintenance Maintenance frequencies are based on general factors including ...

Page 17: ...l enters the engine when the cap is removed 3 Remove the oil filler cap dipstick rotate left until fully unscrewed or for bayonet style caps unlocked then a Wipe the dipstick clean with a piece of cloth or paper b Insert the dipstick back into the oil filler but do not screw lock it in c Remove and inspect the dipstick the oil level is determined by where oil can be seen on it Depending on model t...

Page 18: ...ping the filter element against a hard surface and brushing the pleats using a soft brush may also help remove debris from the filter For foam filters place a few drops of clean engine oil on the filter then squeeze it a few times to spread the oil through the filter material and remove any excess oil It is recommended to clean the air filter cover and air intake assembly of any dirt cuttings etc ...

Page 19: ...g slid between the electrodes B this means the measurement is fairly accurate 2 Adjust the gap to within specification see Specifications If the gap needs to be reduced gently tap the electrode as required If the gap needs to be increased use pliers to gently pull the electrode as required 3 Measure the gap again and ensure it is within the specified range before re installing the spark plug Spark...

Page 20: ...d Clean and check the grass catcher for any damage replace damaged parts Allow the grass catcher to dry thoroughly before storing to prevent mildew or deterioration of the catcher netting where applicable Ensure that all control cables levers switches etc are clean and operate normally and smoothly Transportation and Storage Always ensure that the machine is cool enough to touch before transportin...

Page 21: ...ls that do not have spigots on the handle mounting brackets ensure the handle is installed against the outer face of the mounting brackets Difficulty starting the engine Possible Fault Action Lack of fuel Check that there is fuel in the tank and the fuel system is primed if applicable To further check if fuel is reaching the carburettor remove the carburettor drain plug and check if fuel drains En...

Page 22: ...duced engine speed power during use Possible Fault Action Blocked air filter Check and clean air filter Carbon build up in engine and or entry to exhaust silencer Remove the engine cylinder head and clean any carbon from the combustion chamber For the exhaust silencer remove it and clean any carbon deposits from the exhaust entry port Carbon build up on spark plug Remove the spark plug and clean a...

Page 23: ...der Fuel Non ethanol unleaded petrol higher RON values provide best performance Oil Type SAE 10W 30 automotive engine oil recommended for general use Oil Capacity Approximately 0 47l always check level 165cc Engines Type 4 stroke single cylinder Fuel Non ethanol unleaded petrol higher RON values provide best performance Spark Plug F7TC F7RTC Spark Plug Gap 0 7 to 0 8mm 0 028 to 0 032 Valve Clearan...

Page 24: ...n or replace with the date as required Note For Briggs Stratton engines refer any engine warranty claims servicing or repairs to an official Briggs Stratton dealer Date Date Date Date Date Replace Engine Oil Replace Spark Plug Replace Air Filter Replace Fuel Filter Replace Fuel Lines Clean Fuel Tank Check Adjust Valve Clearance De coke Combustion Chamber Date Date Date Date Date Replace Engine Oil...

Page 25: ...ur specific application or your description of the application Be sure to attain third party approval for your application from a qualified specialist before use regardless of prior assurances by the retailer or its representatives This product is not intended for use where fail safe operation is required As with any product take an automobile aircraft computer or ball point pen for example there ...

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