HORNER Shearing Longhorn 3.2, Instruction Booklet

10

LONGHORN 12V  INSTRUCTION MANUAL

TROUBLESHOOTING

Problem

Cause

Solution

Motor does not 

start

Poor battery lead       

connections

Check connections and    

condition of wires / clips

Faulty switch

Have switch replaced

Damaged relay

Have relay replaced

Burnt out motor

Have motor replaced

Motor struggles 

to start or runs 

slowly

Worn brushes

Have brushes replaced

Motor is noisy

Faulty bearings

Have bearings replaced

Damaged cooling fan

Have cooling fan replaced

Debris in the cooling fan Remove debris or have 

machine serviced

Flexi drive is noisy 

Lack of lubrication

Oil or grease the inner 

drive

Damaged/worn inner 

drive

Replace inner drive

Solid drive is 

noisy / vibrates

Lack of lubrication

Oil or grease the guts

Damaged/worn guts

Replace affected gut

Dry spot on eye spindle

Have solid drive serviced

Cannot connect 

handpiece

Worn or broken 

bayonet/worm end

Replace bayonet/worm 

end

Faulty/worn spring in 

bayonet end

Replace bayonet spring

and/or bayonet end

Electrical work and servicing should only be 

carried out by suitably qualified personnel.