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Routine Maintenance: 

BEFORE carrying out any work on the clipper first disconnect from the mains power supply 

Is important and should be carried regularly.  Do not conducted maintenance tasks over straw, shavings, or other 
types of bedding. Preferably use a flat table surface or work bench, otherwise you can risk small parts becoming 

lost in the process.  

Air Filters: (See fig 6 & 8) 

 

BEFORE carrying out any work on the clipper first disconnect 

from the mains power supply 

Oster A5 clippers have a track record especially in dog 

grooming circles of overheating. Those machines with the 

"on/off" switch located at the rear of the appliance appear to 

be especially troubled with overheating. It is vital therefore 
that the air filter zone is kept clear of any blockages at all 

times and is cleaned daily especially in busy grooming 

parlour situations 

The air filter zone is a vital air cooling intake for the cooling 

running of the clipper motor and it is natural that if this 

becomes even partly blocked the motor will quickly become 
starved of cool air with the result that it will rapidly start to 

overheat. 

Sadly the design of the air filter cover is not "over friendly" 

to easy cleaning, and unlike most clippers of its type rather 

laborious in its cleaning involvement. The removal of the 

mesh cover is relatively easy, 
- gently part the hang hook 

wire so that each side is 

withdrawn from the holes in 

the casing and then you can 
remove the mesh which slides 

down the clipper cable for 

cleaning. (See fig 8) 

A surprisingly large amount of 

hair and dirt which somehow 

manages to get through the 
filter mesh, will often collect 

inside the rear compartment of 

the clipper (beyond the area 

covered by the air filter mesh). 

If you unscrew the two screws 
at the rear of the clipper either 

side of the on/off switch you 

can gently and carefully 

withdraw the casing which will 
then allow you to remove tufts 

of collected hair and dirt which threaten to block the area. (I find a pair of small tweezers ideal for this job) 

Exercise caution so as not to damage any of the wires in the area! (See fig 8) 

 

 
 

 

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