MAPLIN LYNX HELICOPTER REPAIR GUIDE

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This guide will tell you how to repair certain parts of the LYNX Helicopter as supplied by MAPLIN in the UK. I have covered the main topics , however if you require any more assistance please do get in touch via mail.

THIS IS A WORK IN PROGRESS...

REPLACE THE BLADES

Unscrew the 2 screws that mount the blades. replace the blades, do not screw the blades up too tight this will inhibit their movement. It is essential that the blades are mounted loose, screw the blade screw all the way down and then   unscrew half a turn, or until they are loose.

REPLACE THE FLY BAR / BALANCE BAR

Put a small screwdriver behind the tie bar (at the blade mount end) and unclip it. Do this on both sides. Gently separate the mount on the shaft so that the fly bar comes out, to put it back in place the fly bar in seideways (90 degress to the way it would sit normally) push it in between the shaft mount and turn the fly bar until the small pins slip in to place. Re-connect the tie bars. Beware the fly bar and blad set up comes in 2 different guises from Maplin, one of the bars has larger weights, this should be combined with the longer blade (185mm) if you have the small weights then the 158mm blade needs to be used.

REPLACE THE UPPER BLADE MOUNT

Unclip the 2 double hole tie bars which tie the rotor head to the fly bar, to do this slide a scrrewdriver under the hole attached to the rotor head and push outwards, it will clip out. Do this to the other side. Unscrew the blades by removing the screw near the blade mount. Unscrew the 2 screws that tie the 2 halves of the rotor head together and remove the head. replace the head by reversing the procedure, do not overtighten the blades. Screw the blades in all the way and then release the screw un til the blade is slightly loose in its mount.

REMOVE AND REPLACE THE BODY

I am dealing before any further parts as it is a necessary step for the replacement or repair of many of the LYNX parts. Unscrew all the screws on both sides of the bodt, there are 3 large ones on one side and 16 on the other (13 small and 3 large). For most operations it will suffice to unscrew the side that has 16 screws in it, the other 3 on the other side hold all the parts inside the body. The body has pins that make sure the body fits together properly. When putting the body back together make sure that you have the tail motor/lights/on-off switch properly in place... the body should go together very easily (because of the pins).. if there is any resistance then it is seated incorrectly .. so just try again.

REPLACE THE UPPER BLADE SHAFT (INNER SHAFT)

Separate the body (see above) only remove the 16 screws on one side. Unscrew the 2 screws that hold the lower gear in place. Pull the top shaft out from above, hold the gear while doing this and twist it, make sure you dont lose any of the bearings (top and bottom). Replace the shaft, and screw up the gear screws, make sure you are properly lined up on the flats on the shaft when you do this. replace the body side you removed. 

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