Minelab F3 Service Manual page 71

ON/OFF slide is very
difficult to move
Armrest will not move
Coil does not remain in
place (floppy)
Coil falls off lower shaft
Water found inside
battery pack
Camlocks will not stop
shafts from collapsing
Battery Lid will not close 

remove coil and remove any dirt located in the
shaft and on the cable – inspect cable for any
damage – if none ensure the coil has 52 turns and
assemble back into the detector – fit coil pin if not
present

if cable damaged replace with new coil

disassemble handle and remove dust and dirt

loosen middle bolt

disassemble armrest and clean

replace armrest

replace friction blocks

refit camlock pins

replace lower shaft

clean battery lid and apply silicone grease to
battery lid O-ring

replace camlock pressure blocks
remove and clean O-ring

replace swollen batteries if applicable
Page 71
F3 Service Manual